diff --git a/build.gradle b/build.gradle
index 5ea8590..82ce699 100644
--- a/build.gradle
+++ b/build.gradle
@@ -50,7 +50,7 @@ publishing {
         maven(MavenPublication) {
             groupId = 'com.cohere'
             artifactId = 'cohere-java'
-            version = '1.0.8'
+            version = '1.0.9'
             from components.java
             pom {
                 name = 'cohere'
diff --git a/src/main/java/com/cohere/api/Cohere.java b/src/main/java/com/cohere/api/Cohere.java
index 12f0c31..f4fd761 100644
--- a/src/main/java/com/cohere/api/Cohere.java
+++ b/src/main/java/com/cohere/api/Cohere.java
@@ -70,7 +70,7 @@ public Cohere(ClientOptions clientOptions) {
 
     /**
      * Generates a text response to a user message.
-     * To learn how to use Chat with Streaming and RAG follow <a href="https://docs.cohere.com/docs/cochat-beta#various-ways-of-using-the-chat-endpoint">this guide</a>.
+     * To learn how to use the Chat API with Streaming and RAG follow our <a href="https://docs.cohere.com/docs/chat-api">Text Generation guides</a>.
      */
     public Iterable<StreamedChatResponse> chatStream(ChatStreamRequest request) {
         return chatStream(request, null);
@@ -78,7 +78,7 @@ public Iterable<StreamedChatResponse> chatStream(ChatStreamRequest request) {
 
     /**
      * Generates a text response to a user message.
-     * To learn how to use Chat with Streaming and RAG follow <a href="https://docs.cohere.com/docs/cochat-beta#various-ways-of-using-the-chat-endpoint">this guide</a>.
+     * To learn how to use the Chat API with Streaming and RAG follow our <a href="https://docs.cohere.com/docs/chat-api">Text Generation guides</a>.
      */
     public Iterable<StreamedChatResponse> chatStream(ChatStreamRequest request, RequestOptions requestOptions) {
         HttpUrl httpUrl = HttpUrl.parse(this.clientOptions.environment().getUrl())
@@ -119,7 +119,7 @@ public Iterable<StreamedChatResponse> chatStream(ChatStreamRequest request, Requ
 
     /**
      * Generates a text response to a user message.
-     * To learn how to use Chat with Streaming and RAG follow <a href="https://docs.cohere.com/docs/cochat-beta#various-ways-of-using-the-chat-endpoint">this guide</a>.
+     * To learn how to use the Chat API with Streaming and RAG follow our <a href="https://docs.cohere.com/docs/chat-api">Text Generation guides</a>.
      */
     public NonStreamedChatResponse chat(ChatRequest request) {
         return chat(request, null);
@@ -127,7 +127,7 @@ public NonStreamedChatResponse chat(ChatRequest request) {
 
     /**
      * Generates a text response to a user message.
-     * To learn how to use Chat with Streaming and RAG follow <a href="https://docs.cohere.com/docs/cochat-beta#various-ways-of-using-the-chat-endpoint">this guide</a>.
+     * To learn how to use the Chat API with Streaming and RAG follow our <a href="https://docs.cohere.com/docs/chat-api">Text Generation guides</a>.
      */
     public NonStreamedChatResponse chat(ChatRequest request, RequestOptions requestOptions) {
         HttpUrl httpUrl = HttpUrl.parse(this.clientOptions.environment().getUrl())
diff --git a/src/main/java/com/cohere/api/CohereBuilder.java b/src/main/java/com/cohere/api/CohereBuilder.java
index 133039f..e6fa445 100644
--- a/src/main/java/com/cohere/api/CohereBuilder.java
+++ b/src/main/java/com/cohere/api/CohereBuilder.java
@@ -47,7 +47,7 @@ public Cohere build() {
             throw new RuntimeException("Please provide token or set the CO_API_KEY environment variable.");
         }
         this.clientOptionsBuilder.addHeader("Authorization", "Bearer " + this.token);
-        if (clientName != null) {
+        if (clientName.isPresent()) {
             this.clientOptionsBuilder.addHeader("X-Client-Name", this.clientName);
         }
         clientOptionsBuilder.environment(this.environment);
diff --git a/src/main/java/com/cohere/api/core/ClientOptions.java b/src/main/java/com/cohere/api/core/ClientOptions.java
index 3d6612d..62f3eea 100644
--- a/src/main/java/com/cohere/api/core/ClientOptions.java
+++ b/src/main/java/com/cohere/api/core/ClientOptions.java
@@ -30,7 +30,7 @@ private ClientOptions(
                 "X-Fern-SDK-Name",
                 "com.cohere.fern:api-sdk",
                 "X-Fern-SDK-Version",
-                "1.0.8",
+                "1.0.9",
                 "X-Fern-Language",
                 "JAVA"));
         this.headerSuppliers = headerSuppliers;
diff --git a/src/main/java/com/cohere/api/requests/ChatRequest.java b/src/main/java/com/cohere/api/requests/ChatRequest.java
index 604eaaa..80b9d73 100644
--- a/src/main/java/com/cohere/api/requests/ChatRequest.java
+++ b/src/main/java/com/cohere/api/requests/ChatRequest.java
@@ -57,7 +57,7 @@ public final class ChatRequest {
 
     private final Optional<Double> p;
 
-    private final Optional<Double> seed;
+    private final Optional<Integer> seed;
 
     private final Optional<List<String>> stopSequences;
 
@@ -93,7 +93,7 @@ private ChatRequest(
             Optional<Integer> maxInputTokens,
             Optional<Integer> k,
             Optional<Double> p,
-            Optional<Double> seed,
+            Optional<Integer> seed,
             Optional<List<String>> stopSequences,
             Optional<Double> frequencyPenalty,
             Optional<Double> presencePenalty,
@@ -308,7 +308,7 @@ public Optional<Double> getP() {
      * Compatible Deployments: Cohere Platform, Azure, AWS Sagemaker, Private Deployments
      */
     @JsonProperty("seed")
-    public Optional<Double> getSeed() {
+    public Optional<Integer> getSeed() {
         return seed;
     }
 
@@ -545,9 +545,9 @@ public interface _FinalStage {
 
         _FinalStage p(Double p);
 
-        _FinalStage seed(Optional<Double> seed);
+        _FinalStage seed(Optional<Integer> seed);
 
-        _FinalStage seed(Double seed);
+        _FinalStage seed(Integer seed);
 
         _FinalStage stopSequences(Optional<List<String>> stopSequences);
 
@@ -602,7 +602,7 @@ public static final class Builder implements MessageStage, _FinalStage {
 
         private Optional<List<String>> stopSequences = Optional.empty();
 
-        private Optional<Double> seed = Optional.empty();
+        private Optional<Integer> seed = Optional.empty();
 
         private Optional<Double> p = Optional.empty();
 
@@ -851,14 +851,14 @@ public _FinalStage stopSequences(Optional<List<String>> stopSequences) {
          * @return Reference to {@code this} so that method calls can be chained together.
          */
         @java.lang.Override
-        public _FinalStage seed(Double seed) {
+        public _FinalStage seed(Integer seed) {
             this.seed = Optional.of(seed);
             return this;
         }
 
         @java.lang.Override
         @JsonSetter(value = "seed", nulls = Nulls.SKIP)
-        public _FinalStage seed(Optional<Double> seed) {
+        public _FinalStage seed(Optional<Integer> seed) {
             this.seed = seed;
             return this;
         }
diff --git a/src/main/java/com/cohere/api/requests/ChatStreamRequest.java b/src/main/java/com/cohere/api/requests/ChatStreamRequest.java
index 10ef461..c302f67 100644
--- a/src/main/java/com/cohere/api/requests/ChatStreamRequest.java
+++ b/src/main/java/com/cohere/api/requests/ChatStreamRequest.java
@@ -57,7 +57,7 @@ public final class ChatStreamRequest {
 
     private final Optional<Double> p;
 
-    private final Optional<Double> seed;
+    private final Optional<Integer> seed;
 
     private final Optional<List<String>> stopSequences;
 
@@ -93,7 +93,7 @@ private ChatStreamRequest(
             Optional<Integer> maxInputTokens,
             Optional<Integer> k,
             Optional<Double> p,
-            Optional<Double> seed,
+            Optional<Integer> seed,
             Optional<List<String>> stopSequences,
             Optional<Double> frequencyPenalty,
             Optional<Double> presencePenalty,
@@ -308,7 +308,7 @@ public Optional<Double> getP() {
      * Compatible Deployments: Cohere Platform, Azure, AWS Sagemaker, Private Deployments
      */
     @JsonProperty("seed")
-    public Optional<Double> getSeed() {
+    public Optional<Integer> getSeed() {
         return seed;
     }
 
@@ -545,9 +545,9 @@ public interface _FinalStage {
 
         _FinalStage p(Double p);
 
-        _FinalStage seed(Optional<Double> seed);
+        _FinalStage seed(Optional<Integer> seed);
 
-        _FinalStage seed(Double seed);
+        _FinalStage seed(Integer seed);
 
         _FinalStage stopSequences(Optional<List<String>> stopSequences);
 
@@ -602,7 +602,7 @@ public static final class Builder implements MessageStage, _FinalStage {
 
         private Optional<List<String>> stopSequences = Optional.empty();
 
-        private Optional<Double> seed = Optional.empty();
+        private Optional<Integer> seed = Optional.empty();
 
         private Optional<Double> p = Optional.empty();
 
@@ -851,14 +851,14 @@ public _FinalStage stopSequences(Optional<List<String>> stopSequences) {
          * @return Reference to {@code this} so that method calls can be chained together.
          */
         @java.lang.Override
-        public _FinalStage seed(Double seed) {
+        public _FinalStage seed(Integer seed) {
             this.seed = Optional.of(seed);
             return this;
         }
 
         @java.lang.Override
         @JsonSetter(value = "seed", nulls = Nulls.SKIP)
-        public _FinalStage seed(Optional<Double> seed) {
+        public _FinalStage seed(Optional<Integer> seed) {
             this.seed = seed;
             return this;
         }
diff --git a/src/main/java/com/cohere/api/requests/GenerateRequest.java b/src/main/java/com/cohere/api/requests/GenerateRequest.java
index 0b2ede9..5d448bf 100644
--- a/src/main/java/com/cohere/api/requests/GenerateRequest.java
+++ b/src/main/java/com/cohere/api/requests/GenerateRequest.java
@@ -35,7 +35,7 @@ public final class GenerateRequest {
 
     private final Optional<Double> temperature;
 
-    private final Optional<Double> seed;
+    private final Optional<Integer> seed;
 
     private final Optional<String> preset;
 
@@ -64,7 +64,7 @@ private GenerateRequest(
             Optional<Integer> maxTokens,
             Optional<GenerateRequestTruncate> truncate,
             Optional<Double> temperature,
-            Optional<Double> seed,
+            Optional<Integer> seed,
             Optional<String> preset,
             Optional<List<String>> endSequences,
             Optional<List<String>> stopSequences,
@@ -165,10 +165,14 @@ public Optional<Double> getTemperature() {
     }
 
     /**
-     * @return If specified, the backend will make a best effort to sample tokens deterministically, such that repeated requests with the same seed and parameters should return the same result. However, determinsim cannot be totally guaranteed.
+     * @return If specified, the backend will make a best effort to sample tokens
+     * deterministically, such that repeated requests with the same
+     * seed and parameters should return the same result. However,
+     * determinism cannot be totally guaranteed.
+     * Compatible Deployments: Cohere Platform, Azure, AWS Sagemaker, Private Deployments
      */
     @JsonProperty("seed")
-    public Optional<Double> getSeed() {
+    public Optional<Integer> getSeed() {
         return seed;
     }
 
@@ -341,9 +345,9 @@ public interface _FinalStage {
 
         _FinalStage temperature(Double temperature);
 
-        _FinalStage seed(Optional<Double> seed);
+        _FinalStage seed(Optional<Integer> seed);
 
-        _FinalStage seed(Double seed);
+        _FinalStage seed(Integer seed);
 
         _FinalStage preset(Optional<String> preset);
 
@@ -404,7 +408,7 @@ public static final class Builder implements PromptStage, _FinalStage {
 
         private Optional<String> preset = Optional.empty();
 
-        private Optional<Double> seed = Optional.empty();
+        private Optional<Integer> seed = Optional.empty();
 
         private Optional<Double> temperature = Optional.empty();
 
@@ -616,18 +620,22 @@ public _FinalStage preset(Optional<String> preset) {
         }
 
         /**
-         * <p>If specified, the backend will make a best effort to sample tokens deterministically, such that repeated requests with the same seed and parameters should return the same result. However, determinsim cannot be totally guaranteed.</p>
+         * <p>If specified, the backend will make a best effort to sample tokens
+         * deterministically, such that repeated requests with the same
+         * seed and parameters should return the same result. However,
+         * determinism cannot be totally guaranteed.
+         * Compatible Deployments: Cohere Platform, Azure, AWS Sagemaker, Private Deployments</p>
          * @return Reference to {@code this} so that method calls can be chained together.
          */
         @java.lang.Override
-        public _FinalStage seed(Double seed) {
+        public _FinalStage seed(Integer seed) {
             this.seed = Optional.of(seed);
             return this;
         }
 
         @java.lang.Override
         @JsonSetter(value = "seed", nulls = Nulls.SKIP)
-        public _FinalStage seed(Optional<Double> seed) {
+        public _FinalStage seed(Optional<Integer> seed) {
             this.seed = seed;
             return this;
         }
diff --git a/src/main/java/com/cohere/api/requests/GenerateStreamRequest.java b/src/main/java/com/cohere/api/requests/GenerateStreamRequest.java
index 505e978..d79fb82 100644
--- a/src/main/java/com/cohere/api/requests/GenerateStreamRequest.java
+++ b/src/main/java/com/cohere/api/requests/GenerateStreamRequest.java
@@ -35,7 +35,7 @@ public final class GenerateStreamRequest {
 
     private final Optional<Double> temperature;
 
-    private final Optional<Double> seed;
+    private final Optional<Integer> seed;
 
     private final Optional<String> preset;
 
@@ -64,7 +64,7 @@ private GenerateStreamRequest(
             Optional<Integer> maxTokens,
             Optional<GenerateStreamRequestTruncate> truncate,
             Optional<Double> temperature,
-            Optional<Double> seed,
+            Optional<Integer> seed,
             Optional<String> preset,
             Optional<List<String>> endSequences,
             Optional<List<String>> stopSequences,
@@ -165,10 +165,14 @@ public Optional<Double> getTemperature() {
     }
 
     /**
-     * @return If specified, the backend will make a best effort to sample tokens deterministically, such that repeated requests with the same seed and parameters should return the same result. However, determinsim cannot be totally guaranteed.
+     * @return If specified, the backend will make a best effort to sample tokens
+     * deterministically, such that repeated requests with the same
+     * seed and parameters should return the same result. However,
+     * determinism cannot be totally guaranteed.
+     * Compatible Deployments: Cohere Platform, Azure, AWS Sagemaker, Private Deployments
      */
     @JsonProperty("seed")
-    public Optional<Double> getSeed() {
+    public Optional<Integer> getSeed() {
         return seed;
     }
 
@@ -341,9 +345,9 @@ public interface _FinalStage {
 
         _FinalStage temperature(Double temperature);
 
-        _FinalStage seed(Optional<Double> seed);
+        _FinalStage seed(Optional<Integer> seed);
 
-        _FinalStage seed(Double seed);
+        _FinalStage seed(Integer seed);
 
         _FinalStage preset(Optional<String> preset);
 
@@ -404,7 +408,7 @@ public static final class Builder implements PromptStage, _FinalStage {
 
         private Optional<String> preset = Optional.empty();
 
-        private Optional<Double> seed = Optional.empty();
+        private Optional<Integer> seed = Optional.empty();
 
         private Optional<Double> temperature = Optional.empty();
 
@@ -616,18 +620,22 @@ public _FinalStage preset(Optional<String> preset) {
         }
 
         /**
-         * <p>If specified, the backend will make a best effort to sample tokens deterministically, such that repeated requests with the same seed and parameters should return the same result. However, determinsim cannot be totally guaranteed.</p>
+         * <p>If specified, the backend will make a best effort to sample tokens
+         * deterministically, such that repeated requests with the same
+         * seed and parameters should return the same result. However,
+         * determinism cannot be totally guaranteed.
+         * Compatible Deployments: Cohere Platform, Azure, AWS Sagemaker, Private Deployments</p>
          * @return Reference to {@code this} so that method calls can be chained together.
          */
         @java.lang.Override
-        public _FinalStage seed(Double seed) {
+        public _FinalStage seed(Integer seed) {
             this.seed = Optional.of(seed);
             return this;
         }
 
         @java.lang.Override
         @JsonSetter(value = "seed", nulls = Nulls.SKIP)
-        public _FinalStage seed(Optional<Double> seed) {
+        public _FinalStage seed(Optional<Integer> seed) {
             this.seed = seed;
             return this;
         }
diff --git a/src/main/java/com/cohere/api/types/ChatRequestConnectorsSearchOptions.java b/src/main/java/com/cohere/api/types/ChatRequestConnectorsSearchOptions.java
index 23d2541..e071292 100644
--- a/src/main/java/com/cohere/api/types/ChatRequestConnectorsSearchOptions.java
+++ b/src/main/java/com/cohere/api/types/ChatRequestConnectorsSearchOptions.java
@@ -20,58 +20,24 @@
 @JsonInclude(JsonInclude.Include.NON_EMPTY)
 @JsonDeserialize(builder = ChatRequestConnectorsSearchOptions.Builder.class)
 public final class ChatRequestConnectorsSearchOptions {
-    private final Optional<Object> model;
-
-    private final Optional<Object> temperature;
-
-    private final Optional<Object> maxTokens;
-
-    private final Optional<Object> preamble;
-
-    private final Optional<Double> seed;
+    private final Optional<Integer> seed;
 
     private final Map<String, Object> additionalProperties;
 
-    private ChatRequestConnectorsSearchOptions(
-            Optional<Object> model,
-            Optional<Object> temperature,
-            Optional<Object> maxTokens,
-            Optional<Object> preamble,
-            Optional<Double> seed,
-            Map<String, Object> additionalProperties) {
-        this.model = model;
-        this.temperature = temperature;
-        this.maxTokens = maxTokens;
-        this.preamble = preamble;
+    private ChatRequestConnectorsSearchOptions(Optional<Integer> seed, Map<String, Object> additionalProperties) {
         this.seed = seed;
         this.additionalProperties = additionalProperties;
     }
 
-    @JsonProperty("model")
-    public Optional<Object> getModel() {
-        return model;
-    }
-
-    @JsonProperty("temperature")
-    public Optional<Object> getTemperature() {
-        return temperature;
-    }
-
-    @JsonProperty("max_tokens")
-    public Optional<Object> getMaxTokens() {
-        return maxTokens;
-    }
-
-    @JsonProperty("preamble")
-    public Optional<Object> getPreamble() {
-        return preamble;
-    }
-
     /**
-     * @return If specified, the backend will make a best effort to sample tokens deterministically, such that repeated requests with the same seed and parameters should return the same result. However, determinsim cannot be totally guaranteed.
+     * @return If specified, the backend will make a best effort to sample tokens
+     * deterministically, such that repeated requests with the same
+     * seed and parameters should return the same result. However,
+     * determinism cannot be totally guaranteed.
+     * Compatible Deployments: Cohere Platform, Azure, AWS Sagemaker, Private Deployments
      */
     @JsonProperty("seed")
-    public Optional<Double> getSeed() {
+    public Optional<Integer> getSeed() {
         return seed;
     }
 
@@ -88,16 +54,12 @@ public Map<String, Object> getAdditionalProperties() {
     }
 
     private boolean equalTo(ChatRequestConnectorsSearchOptions other) {
-        return model.equals(other.model)
-                && temperature.equals(other.temperature)
-                && maxTokens.equals(other.maxTokens)
-                && preamble.equals(other.preamble)
-                && seed.equals(other.seed);
+        return seed.equals(other.seed);
     }
 
     @java.lang.Override
     public int hashCode() {
-        return Objects.hash(this.model, this.temperature, this.maxTokens, this.preamble, this.seed);
+        return Objects.hash(this.seed);
     }
 
     @java.lang.Override
@@ -111,15 +73,7 @@ public static Builder builder() {
 
     @JsonIgnoreProperties(ignoreUnknown = true)
     public static final class Builder {
-        private Optional<Object> model = Optional.empty();
-
-        private Optional<Object> temperature = Optional.empty();
-
-        private Optional<Object> maxTokens = Optional.empty();
-
-        private Optional<Object> preamble = Optional.empty();
-
-        private Optional<Double> seed = Optional.empty();
+        private Optional<Integer> seed = Optional.empty();
 
         @JsonAnySetter
         private Map<String, Object> additionalProperties = new HashMap<>();
@@ -127,72 +81,23 @@ public static final class Builder {
         private Builder() {}
 
         public Builder from(ChatRequestConnectorsSearchOptions other) {
-            model(other.getModel());
-            temperature(other.getTemperature());
-            maxTokens(other.getMaxTokens());
-            preamble(other.getPreamble());
             seed(other.getSeed());
             return this;
         }
 
-        @JsonSetter(value = "model", nulls = Nulls.SKIP)
-        public Builder model(Optional<Object> model) {
-            this.model = model;
-            return this;
-        }
-
-        public Builder model(Object model) {
-            this.model = Optional.of(model);
-            return this;
-        }
-
-        @JsonSetter(value = "temperature", nulls = Nulls.SKIP)
-        public Builder temperature(Optional<Object> temperature) {
-            this.temperature = temperature;
-            return this;
-        }
-
-        public Builder temperature(Object temperature) {
-            this.temperature = Optional.of(temperature);
-            return this;
-        }
-
-        @JsonSetter(value = "max_tokens", nulls = Nulls.SKIP)
-        public Builder maxTokens(Optional<Object> maxTokens) {
-            this.maxTokens = maxTokens;
-            return this;
-        }
-
-        public Builder maxTokens(Object maxTokens) {
-            this.maxTokens = Optional.of(maxTokens);
-            return this;
-        }
-
-        @JsonSetter(value = "preamble", nulls = Nulls.SKIP)
-        public Builder preamble(Optional<Object> preamble) {
-            this.preamble = preamble;
-            return this;
-        }
-
-        public Builder preamble(Object preamble) {
-            this.preamble = Optional.of(preamble);
-            return this;
-        }
-
         @JsonSetter(value = "seed", nulls = Nulls.SKIP)
-        public Builder seed(Optional<Double> seed) {
+        public Builder seed(Optional<Integer> seed) {
             this.seed = seed;
             return this;
         }
 
-        public Builder seed(Double seed) {
+        public Builder seed(Integer seed) {
             this.seed = Optional.of(seed);
             return this;
         }
 
         public ChatRequestConnectorsSearchOptions build() {
-            return new ChatRequestConnectorsSearchOptions(
-                    model, temperature, maxTokens, preamble, seed, additionalProperties);
+            return new ChatRequestConnectorsSearchOptions(seed, additionalProperties);
         }
     }
 }
diff --git a/src/main/java/com/cohere/api/types/ChatStreamRequestConnectorsSearchOptions.java b/src/main/java/com/cohere/api/types/ChatStreamRequestConnectorsSearchOptions.java
index 5d446b4..28a83b3 100644
--- a/src/main/java/com/cohere/api/types/ChatStreamRequestConnectorsSearchOptions.java
+++ b/src/main/java/com/cohere/api/types/ChatStreamRequestConnectorsSearchOptions.java
@@ -20,58 +20,24 @@
 @JsonInclude(JsonInclude.Include.NON_EMPTY)
 @JsonDeserialize(builder = ChatStreamRequestConnectorsSearchOptions.Builder.class)
 public final class ChatStreamRequestConnectorsSearchOptions {
-    private final Optional<Object> model;
-
-    private final Optional<Object> temperature;
-
-    private final Optional<Object> maxTokens;
-
-    private final Optional<Object> preamble;
-
-    private final Optional<Double> seed;
+    private final Optional<Integer> seed;
 
     private final Map<String, Object> additionalProperties;
 
-    private ChatStreamRequestConnectorsSearchOptions(
-            Optional<Object> model,
-            Optional<Object> temperature,
-            Optional<Object> maxTokens,
-            Optional<Object> preamble,
-            Optional<Double> seed,
-            Map<String, Object> additionalProperties) {
-        this.model = model;
-        this.temperature = temperature;
-        this.maxTokens = maxTokens;
-        this.preamble = preamble;
+    private ChatStreamRequestConnectorsSearchOptions(Optional<Integer> seed, Map<String, Object> additionalProperties) {
         this.seed = seed;
         this.additionalProperties = additionalProperties;
     }
 
-    @JsonProperty("model")
-    public Optional<Object> getModel() {
-        return model;
-    }
-
-    @JsonProperty("temperature")
-    public Optional<Object> getTemperature() {
-        return temperature;
-    }
-
-    @JsonProperty("max_tokens")
-    public Optional<Object> getMaxTokens() {
-        return maxTokens;
-    }
-
-    @JsonProperty("preamble")
-    public Optional<Object> getPreamble() {
-        return preamble;
-    }
-
     /**
-     * @return If specified, the backend will make a best effort to sample tokens deterministically, such that repeated requests with the same seed and parameters should return the same result. However, determinsim cannot be totally guaranteed.
+     * @return If specified, the backend will make a best effort to sample tokens
+     * deterministically, such that repeated requests with the same
+     * seed and parameters should return the same result. However,
+     * determinism cannot be totally guaranteed.
+     * Compatible Deployments: Cohere Platform, Azure, AWS Sagemaker, Private Deployments
      */
     @JsonProperty("seed")
-    public Optional<Double> getSeed() {
+    public Optional<Integer> getSeed() {
         return seed;
     }
 
@@ -88,16 +54,12 @@ public Map<String, Object> getAdditionalProperties() {
     }
 
     private boolean equalTo(ChatStreamRequestConnectorsSearchOptions other) {
-        return model.equals(other.model)
-                && temperature.equals(other.temperature)
-                && maxTokens.equals(other.maxTokens)
-                && preamble.equals(other.preamble)
-                && seed.equals(other.seed);
+        return seed.equals(other.seed);
     }
 
     @java.lang.Override
     public int hashCode() {
-        return Objects.hash(this.model, this.temperature, this.maxTokens, this.preamble, this.seed);
+        return Objects.hash(this.seed);
     }
 
     @java.lang.Override
@@ -111,15 +73,7 @@ public static Builder builder() {
 
     @JsonIgnoreProperties(ignoreUnknown = true)
     public static final class Builder {
-        private Optional<Object> model = Optional.empty();
-
-        private Optional<Object> temperature = Optional.empty();
-
-        private Optional<Object> maxTokens = Optional.empty();
-
-        private Optional<Object> preamble = Optional.empty();
-
-        private Optional<Double> seed = Optional.empty();
+        private Optional<Integer> seed = Optional.empty();
 
         @JsonAnySetter
         private Map<String, Object> additionalProperties = new HashMap<>();
@@ -127,72 +81,23 @@ public static final class Builder {
         private Builder() {}
 
         public Builder from(ChatStreamRequestConnectorsSearchOptions other) {
-            model(other.getModel());
-            temperature(other.getTemperature());
-            maxTokens(other.getMaxTokens());
-            preamble(other.getPreamble());
             seed(other.getSeed());
             return this;
         }
 
-        @JsonSetter(value = "model", nulls = Nulls.SKIP)
-        public Builder model(Optional<Object> model) {
-            this.model = model;
-            return this;
-        }
-
-        public Builder model(Object model) {
-            this.model = Optional.of(model);
-            return this;
-        }
-
-        @JsonSetter(value = "temperature", nulls = Nulls.SKIP)
-        public Builder temperature(Optional<Object> temperature) {
-            this.temperature = temperature;
-            return this;
-        }
-
-        public Builder temperature(Object temperature) {
-            this.temperature = Optional.of(temperature);
-            return this;
-        }
-
-        @JsonSetter(value = "max_tokens", nulls = Nulls.SKIP)
-        public Builder maxTokens(Optional<Object> maxTokens) {
-            this.maxTokens = maxTokens;
-            return this;
-        }
-
-        public Builder maxTokens(Object maxTokens) {
-            this.maxTokens = Optional.of(maxTokens);
-            return this;
-        }
-
-        @JsonSetter(value = "preamble", nulls = Nulls.SKIP)
-        public Builder preamble(Optional<Object> preamble) {
-            this.preamble = preamble;
-            return this;
-        }
-
-        public Builder preamble(Object preamble) {
-            this.preamble = Optional.of(preamble);
-            return this;
-        }
-
         @JsonSetter(value = "seed", nulls = Nulls.SKIP)
-        public Builder seed(Optional<Double> seed) {
+        public Builder seed(Optional<Integer> seed) {
             this.seed = seed;
             return this;
         }
 
-        public Builder seed(Double seed) {
+        public Builder seed(Integer seed) {
             this.seed = Optional.of(seed);
             return this;
         }
 
         public ChatStreamRequestConnectorsSearchOptions build() {
-            return new ChatStreamRequestConnectorsSearchOptions(
-                    model, temperature, maxTokens, preamble, seed, additionalProperties);
+            return new ChatStreamRequestConnectorsSearchOptions(seed, additionalProperties);
         }
     }
 }
diff --git a/src/main/java/com/cohere/api/types/ChatToolCallsChunkEvent.java b/src/main/java/com/cohere/api/types/ChatToolCallsChunkEvent.java
new file mode 100644
index 0000000..5f2da08
--- /dev/null
+++ b/src/main/java/com/cohere/api/types/ChatToolCallsChunkEvent.java
@@ -0,0 +1,101 @@
+/**
+ * This file was auto-generated by Fern from our API Definition.
+ */
+package com.cohere.api.types;
+
+import com.cohere.api.core.ObjectMappers;
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonSetter;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+
+@JsonInclude(JsonInclude.Include.NON_EMPTY)
+@JsonDeserialize(builder = ChatToolCallsChunkEvent.Builder.class)
+public final class ChatToolCallsChunkEvent implements IChatStreamEvent {
+    private final ToolCallDelta toolCallDelta;
+
+    private final Map<String, Object> additionalProperties;
+
+    private ChatToolCallsChunkEvent(ToolCallDelta toolCallDelta, Map<String, Object> additionalProperties) {
+        this.toolCallDelta = toolCallDelta;
+        this.additionalProperties = additionalProperties;
+    }
+
+    @JsonProperty("tool_call_delta")
+    public ToolCallDelta getToolCallDelta() {
+        return toolCallDelta;
+    }
+
+    @java.lang.Override
+    public boolean equals(Object other) {
+        if (this == other) return true;
+        return other instanceof ChatToolCallsChunkEvent && equalTo((ChatToolCallsChunkEvent) other);
+    }
+
+    @JsonAnyGetter
+    public Map<String, Object> getAdditionalProperties() {
+        return this.additionalProperties;
+    }
+
+    private boolean equalTo(ChatToolCallsChunkEvent other) {
+        return toolCallDelta.equals(other.toolCallDelta);
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+        return Objects.hash(this.toolCallDelta);
+    }
+
+    @java.lang.Override
+    public String toString() {
+        return ObjectMappers.stringify(this);
+    }
+
+    public static ToolCallDeltaStage builder() {
+        return new Builder();
+    }
+
+    public interface ToolCallDeltaStage {
+        _FinalStage toolCallDelta(ToolCallDelta toolCallDelta);
+
+        Builder from(ChatToolCallsChunkEvent other);
+    }
+
+    public interface _FinalStage {
+        ChatToolCallsChunkEvent build();
+    }
+
+    @JsonIgnoreProperties(ignoreUnknown = true)
+    public static final class Builder implements ToolCallDeltaStage, _FinalStage {
+        private ToolCallDelta toolCallDelta;
+
+        @JsonAnySetter
+        private Map<String, Object> additionalProperties = new HashMap<>();
+
+        private Builder() {}
+
+        @java.lang.Override
+        public Builder from(ChatToolCallsChunkEvent other) {
+            toolCallDelta(other.getToolCallDelta());
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter("tool_call_delta")
+        public _FinalStage toolCallDelta(ToolCallDelta toolCallDelta) {
+            this.toolCallDelta = toolCallDelta;
+            return this;
+        }
+
+        @java.lang.Override
+        public ChatToolCallsChunkEvent build() {
+            return new ChatToolCallsChunkEvent(toolCallDelta, additionalProperties);
+        }
+    }
+}
diff --git a/src/main/java/com/cohere/api/types/ChatToolCallsGenerationEvent.java b/src/main/java/com/cohere/api/types/ChatToolCallsGenerationEvent.java
index e6097bc..1d8e3f1 100644
--- a/src/main/java/com/cohere/api/types/ChatToolCallsGenerationEvent.java
+++ b/src/main/java/com/cohere/api/types/ChatToolCallsGenerationEvent.java
@@ -17,19 +17,32 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
+import java.util.Optional;
 
 @JsonInclude(JsonInclude.Include.NON_EMPTY)
 @JsonDeserialize(builder = ChatToolCallsGenerationEvent.Builder.class)
 public final class ChatToolCallsGenerationEvent implements IChatStreamEvent {
+    private final Optional<String> text;
+
     private final List<ToolCall> toolCalls;
 
     private final Map<String, Object> additionalProperties;
 
-    private ChatToolCallsGenerationEvent(List<ToolCall> toolCalls, Map<String, Object> additionalProperties) {
+    private ChatToolCallsGenerationEvent(
+            Optional<String> text, List<ToolCall> toolCalls, Map<String, Object> additionalProperties) {
+        this.text = text;
         this.toolCalls = toolCalls;
         this.additionalProperties = additionalProperties;
     }
 
+    /**
+     * @return The text generated related to the tool calls generated
+     */
+    @JsonProperty("text")
+    public Optional<String> getText() {
+        return text;
+    }
+
     @JsonProperty("tool_calls")
     public List<ToolCall> getToolCalls() {
         return toolCalls;
@@ -47,12 +60,12 @@ public Map<String, Object> getAdditionalProperties() {
     }
 
     private boolean equalTo(ChatToolCallsGenerationEvent other) {
-        return toolCalls.equals(other.toolCalls);
+        return text.equals(other.text) && toolCalls.equals(other.toolCalls);
     }
 
     @java.lang.Override
     public int hashCode() {
-        return Objects.hash(this.toolCalls);
+        return Objects.hash(this.text, this.toolCalls);
     }
 
     @java.lang.Override
@@ -66,6 +79,8 @@ public static Builder builder() {
 
     @JsonIgnoreProperties(ignoreUnknown = true)
     public static final class Builder {
+        private Optional<String> text = Optional.empty();
+
         private List<ToolCall> toolCalls = new ArrayList<>();
 
         @JsonAnySetter
@@ -74,10 +89,22 @@ public static final class Builder {
         private Builder() {}
 
         public Builder from(ChatToolCallsGenerationEvent other) {
+            text(other.getText());
             toolCalls(other.getToolCalls());
             return this;
         }
 
+        @JsonSetter(value = "text", nulls = Nulls.SKIP)
+        public Builder text(Optional<String> text) {
+            this.text = text;
+            return this;
+        }
+
+        public Builder text(String text) {
+            this.text = Optional.of(text);
+            return this;
+        }
+
         @JsonSetter(value = "tool_calls", nulls = Nulls.SKIP)
         public Builder toolCalls(List<ToolCall> toolCalls) {
             this.toolCalls.clear();
@@ -96,7 +123,7 @@ public Builder addAllToolCalls(List<ToolCall> toolCalls) {
         }
 
         public ChatToolCallsGenerationEvent build() {
-            return new ChatToolCallsGenerationEvent(toolCalls, additionalProperties);
+            return new ChatToolCallsGenerationEvent(text, toolCalls, additionalProperties);
         }
     }
 }
diff --git a/src/main/java/com/cohere/api/types/ClientClosedRequestErrorBody.java b/src/main/java/com/cohere/api/types/ClientClosedRequestErrorBody.java
new file mode 100644
index 0000000..7551093
--- /dev/null
+++ b/src/main/java/com/cohere/api/types/ClientClosedRequestErrorBody.java
@@ -0,0 +1,95 @@
+/**
+ * This file was auto-generated by Fern from our API Definition.
+ */
+package com.cohere.api.types;
+
+import com.cohere.api.core.ObjectMappers;
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonSetter;
+import com.fasterxml.jackson.annotation.Nulls;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+
+@JsonInclude(JsonInclude.Include.NON_EMPTY)
+@JsonDeserialize(builder = ClientClosedRequestErrorBody.Builder.class)
+public final class ClientClosedRequestErrorBody {
+    private final Optional<String> data;
+
+    private final Map<String, Object> additionalProperties;
+
+    private ClientClosedRequestErrorBody(Optional<String> data, Map<String, Object> additionalProperties) {
+        this.data = data;
+        this.additionalProperties = additionalProperties;
+    }
+
+    @JsonProperty("data")
+    public Optional<String> getData() {
+        return data;
+    }
+
+    @java.lang.Override
+    public boolean equals(Object other) {
+        if (this == other) return true;
+        return other instanceof ClientClosedRequestErrorBody && equalTo((ClientClosedRequestErrorBody) other);
+    }
+
+    @JsonAnyGetter
+    public Map<String, Object> getAdditionalProperties() {
+        return this.additionalProperties;
+    }
+
+    private boolean equalTo(ClientClosedRequestErrorBody other) {
+        return data.equals(other.data);
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+        return Objects.hash(this.data);
+    }
+
+    @java.lang.Override
+    public String toString() {
+        return ObjectMappers.stringify(this);
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    @JsonIgnoreProperties(ignoreUnknown = true)
+    public static final class Builder {
+        private Optional<String> data = Optional.empty();
+
+        @JsonAnySetter
+        private Map<String, Object> additionalProperties = new HashMap<>();
+
+        private Builder() {}
+
+        public Builder from(ClientClosedRequestErrorBody other) {
+            data(other.getData());
+            return this;
+        }
+
+        @JsonSetter(value = "data", nulls = Nulls.SKIP)
+        public Builder data(Optional<String> data) {
+            this.data = data;
+            return this;
+        }
+
+        public Builder data(String data) {
+            this.data = Optional.of(data);
+            return this;
+        }
+
+        public ClientClosedRequestErrorBody build() {
+            return new ClientClosedRequestErrorBody(data, additionalProperties);
+        }
+    }
+}
diff --git a/src/main/java/com/cohere/api/types/FinishReason.java b/src/main/java/com/cohere/api/types/FinishReason.java
index 67713cc..951b334 100644
--- a/src/main/java/com/cohere/api/types/FinishReason.java
+++ b/src/main/java/com/cohere/api/types/FinishReason.java
@@ -8,6 +8,8 @@
 public enum FinishReason {
     COMPLETE("COMPLETE"),
 
+    STOP_SEQUENCE("STOP_SEQUENCE"),
+
     ERROR("ERROR"),
 
     ERROR_TOXIC("ERROR_TOXIC"),
diff --git a/src/main/java/com/cohere/api/resources/finetuning/finetuning/types/Error.java b/src/main/java/com/cohere/api/types/GatewayTimeoutErrorBody.java
similarity index 59%
rename from src/main/java/com/cohere/api/resources/finetuning/finetuning/types/Error.java
rename to src/main/java/com/cohere/api/types/GatewayTimeoutErrorBody.java
index 23e8833..12a90c0 100644
--- a/src/main/java/com/cohere/api/resources/finetuning/finetuning/types/Error.java
+++ b/src/main/java/com/cohere/api/types/GatewayTimeoutErrorBody.java
@@ -1,7 +1,7 @@
 /**
  * This file was auto-generated by Fern from our API Definition.
  */
-package com.cohere.api.resources.finetuning.finetuning.types;
+package com.cohere.api.types;
 
 import com.cohere.api.core.ObjectMappers;
 import com.fasterxml.jackson.annotation.JsonAnyGetter;
@@ -18,29 +18,26 @@
 import java.util.Optional;
 
 @JsonInclude(JsonInclude.Include.NON_EMPTY)
-@JsonDeserialize(builder = Error.Builder.class)
-public final class Error {
-    private final Optional<String> message;
+@JsonDeserialize(builder = GatewayTimeoutErrorBody.Builder.class)
+public final class GatewayTimeoutErrorBody {
+    private final Optional<String> data;
 
     private final Map<String, Object> additionalProperties;
 
-    private Error(Optional<String> message, Map<String, Object> additionalProperties) {
-        this.message = message;
+    private GatewayTimeoutErrorBody(Optional<String> data, Map<String, Object> additionalProperties) {
+        this.data = data;
         this.additionalProperties = additionalProperties;
     }
 
-    /**
-     * @return A developer-facing error message.
-     */
-    @JsonProperty("message")
-    public Optional<String> getMessage() {
-        return message;
+    @JsonProperty("data")
+    public Optional<String> getData() {
+        return data;
     }
 
     @java.lang.Override
     public boolean equals(Object other) {
         if (this == other) return true;
-        return other instanceof Error && equalTo((Error) other);
+        return other instanceof GatewayTimeoutErrorBody && equalTo((GatewayTimeoutErrorBody) other);
     }
 
     @JsonAnyGetter
@@ -48,13 +45,13 @@ public Map<String, Object> getAdditionalProperties() {
         return this.additionalProperties;
     }
 
-    private boolean equalTo(Error other) {
-        return message.equals(other.message);
+    private boolean equalTo(GatewayTimeoutErrorBody other) {
+        return data.equals(other.data);
     }
 
     @java.lang.Override
     public int hashCode() {
-        return Objects.hash(this.message);
+        return Objects.hash(this.data);
     }
 
     @java.lang.Override
@@ -68,31 +65,31 @@ public static Builder builder() {
 
     @JsonIgnoreProperties(ignoreUnknown = true)
     public static final class Builder {
-        private Optional<String> message = Optional.empty();
+        private Optional<String> data = Optional.empty();
 
         @JsonAnySetter
         private Map<String, Object> additionalProperties = new HashMap<>();
 
         private Builder() {}
 
-        public Builder from(Error other) {
-            message(other.getMessage());
+        public Builder from(GatewayTimeoutErrorBody other) {
+            data(other.getData());
             return this;
         }
 
-        @JsonSetter(value = "message", nulls = Nulls.SKIP)
-        public Builder message(Optional<String> message) {
-            this.message = message;
+        @JsonSetter(value = "data", nulls = Nulls.SKIP)
+        public Builder data(Optional<String> data) {
+            this.data = data;
             return this;
         }
 
-        public Builder message(String message) {
-            this.message = Optional.of(message);
+        public Builder data(String data) {
+            this.data = Optional.of(data);
             return this;
         }
 
-        public Error build() {
-            return new Error(message, additionalProperties);
+        public GatewayTimeoutErrorBody build() {
+            return new GatewayTimeoutErrorBody(data, additionalProperties);
         }
     }
 }
diff --git a/src/main/java/com/cohere/api/types/NotImplementedErrorBody.java b/src/main/java/com/cohere/api/types/NotImplementedErrorBody.java
new file mode 100644
index 0000000..73a1926
--- /dev/null
+++ b/src/main/java/com/cohere/api/types/NotImplementedErrorBody.java
@@ -0,0 +1,95 @@
+/**
+ * This file was auto-generated by Fern from our API Definition.
+ */
+package com.cohere.api.types;
+
+import com.cohere.api.core.ObjectMappers;
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonSetter;
+import com.fasterxml.jackson.annotation.Nulls;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+
+@JsonInclude(JsonInclude.Include.NON_EMPTY)
+@JsonDeserialize(builder = NotImplementedErrorBody.Builder.class)
+public final class NotImplementedErrorBody {
+    private final Optional<String> data;
+
+    private final Map<String, Object> additionalProperties;
+
+    private NotImplementedErrorBody(Optional<String> data, Map<String, Object> additionalProperties) {
+        this.data = data;
+        this.additionalProperties = additionalProperties;
+    }
+
+    @JsonProperty("data")
+    public Optional<String> getData() {
+        return data;
+    }
+
+    @java.lang.Override
+    public boolean equals(Object other) {
+        if (this == other) return true;
+        return other instanceof NotImplementedErrorBody && equalTo((NotImplementedErrorBody) other);
+    }
+
+    @JsonAnyGetter
+    public Map<String, Object> getAdditionalProperties() {
+        return this.additionalProperties;
+    }
+
+    private boolean equalTo(NotImplementedErrorBody other) {
+        return data.equals(other.data);
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+        return Objects.hash(this.data);
+    }
+
+    @java.lang.Override
+    public String toString() {
+        return ObjectMappers.stringify(this);
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    @JsonIgnoreProperties(ignoreUnknown = true)
+    public static final class Builder {
+        private Optional<String> data = Optional.empty();
+
+        @JsonAnySetter
+        private Map<String, Object> additionalProperties = new HashMap<>();
+
+        private Builder() {}
+
+        public Builder from(NotImplementedErrorBody other) {
+            data(other.getData());
+            return this;
+        }
+
+        @JsonSetter(value = "data", nulls = Nulls.SKIP)
+        public Builder data(Optional<String> data) {
+            this.data = data;
+            return this;
+        }
+
+        public Builder data(String data) {
+            this.data = Optional.of(data);
+            return this;
+        }
+
+        public NotImplementedErrorBody build() {
+            return new NotImplementedErrorBody(data, additionalProperties);
+        }
+    }
+}
diff --git a/src/main/java/com/cohere/api/types/StreamedChatResponse.java b/src/main/java/com/cohere/api/types/StreamedChatResponse.java
index 1ae5d66..6407773 100644
--- a/src/main/java/com/cohere/api/types/StreamedChatResponse.java
+++ b/src/main/java/com/cohere/api/types/StreamedChatResponse.java
@@ -54,6 +54,10 @@ public static StreamedChatResponse streamEnd(ChatStreamEndEvent value) {
         return new StreamedChatResponse(new StreamEndValue(value));
     }
 
+    public static StreamedChatResponse toolCallsChunk(ChatToolCallsChunkEvent value) {
+        return new StreamedChatResponse(new ToolCallsChunkValue(value));
+    }
+
     public boolean isStreamStart() {
         return value instanceof StreamStartValue;
     }
@@ -82,6 +86,10 @@ public boolean isStreamEnd() {
         return value instanceof StreamEndValue;
     }
 
+    public boolean isToolCallsChunk() {
+        return value instanceof ToolCallsChunkValue;
+    }
+
     public boolean _isUnknown() {
         return value instanceof _UnknownValue;
     }
@@ -135,6 +143,13 @@ public Optional<ChatStreamEndEvent> getStreamEnd() {
         return Optional.empty();
     }
 
+    public Optional<ChatToolCallsChunkEvent> getToolCallsChunk() {
+        if (isToolCallsChunk()) {
+            return Optional.of(((ToolCallsChunkValue) value).value);
+        }
+        return Optional.empty();
+    }
+
     public Optional<Object> _getUnknown() {
         if (_isUnknown()) {
             return Optional.of(((_UnknownValue) value).value);
@@ -162,6 +177,8 @@ public interface Visitor<T> {
 
         T visitStreamEnd(ChatStreamEndEvent streamEnd);
 
+        T visitToolCallsChunk(ChatToolCallsChunkEvent toolCallsChunk);
+
         T _visitUnknown(Object unknownType);
     }
 
@@ -177,7 +194,8 @@ public interface Visitor<T> {
         @JsonSubTypes.Type(TextGenerationValue.class),
         @JsonSubTypes.Type(CitationGenerationValue.class),
         @JsonSubTypes.Type(ToolCallsGenerationValue.class),
-        @JsonSubTypes.Type(StreamEndValue.class)
+        @JsonSubTypes.Type(StreamEndValue.class),
+        @JsonSubTypes.Type(ToolCallsChunkValue.class)
     })
     @JsonIgnoreProperties(ignoreUnknown = true)
     private interface Value {
@@ -450,6 +468,44 @@ public String toString() {
         }
     }
 
+    @JsonTypeName("tool-calls-chunk")
+    private static final class ToolCallsChunkValue implements Value {
+        @JsonUnwrapped
+        private ChatToolCallsChunkEvent value;
+
+        @JsonCreator(mode = JsonCreator.Mode.PROPERTIES)
+        private ToolCallsChunkValue() {}
+
+        private ToolCallsChunkValue(ChatToolCallsChunkEvent value) {
+            this.value = value;
+        }
+
+        @java.lang.Override
+        public <T> T visit(Visitor<T> visitor) {
+            return visitor.visitToolCallsChunk(value);
+        }
+
+        @java.lang.Override
+        public boolean equals(Object other) {
+            if (this == other) return true;
+            return other instanceof ToolCallsChunkValue && equalTo((ToolCallsChunkValue) other);
+        }
+
+        private boolean equalTo(ToolCallsChunkValue other) {
+            return value.equals(other.value);
+        }
+
+        @java.lang.Override
+        public int hashCode() {
+            return Objects.hash(this.value);
+        }
+
+        @java.lang.Override
+        public String toString() {
+            return "StreamedChatResponse{" + "value: " + value + "}";
+        }
+    }
+
     private static final class _UnknownValue implements Value {
         private String type;
 
diff --git a/src/main/java/com/cohere/api/types/ToolCallDelta.java b/src/main/java/com/cohere/api/types/ToolCallDelta.java
new file mode 100644
index 0000000..afc69cb
--- /dev/null
+++ b/src/main/java/com/cohere/api/types/ToolCallDelta.java
@@ -0,0 +1,181 @@
+/**
+ * This file was auto-generated by Fern from our API Definition.
+ */
+package com.cohere.api.types;
+
+import com.cohere.api.core.ObjectMappers;
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonSetter;
+import com.fasterxml.jackson.annotation.Nulls;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+
+@JsonInclude(JsonInclude.Include.NON_EMPTY)
+@JsonDeserialize(builder = ToolCallDelta.Builder.class)
+public final class ToolCallDelta {
+    private final Optional<String> name;
+
+    private final Optional<Double> index;
+
+    private final Optional<String> parameters;
+
+    private final Optional<String> text;
+
+    private final Map<String, Object> additionalProperties;
+
+    private ToolCallDelta(
+            Optional<String> name,
+            Optional<Double> index,
+            Optional<String> parameters,
+            Optional<String> text,
+            Map<String, Object> additionalProperties) {
+        this.name = name;
+        this.index = index;
+        this.parameters = parameters;
+        this.text = text;
+        this.additionalProperties = additionalProperties;
+    }
+
+    /**
+     * @return Name of the tool call
+     */
+    @JsonProperty("name")
+    public Optional<String> getName() {
+        return name;
+    }
+
+    /**
+     * @return Index of the tool call generated
+     */
+    @JsonProperty("index")
+    public Optional<Double> getIndex() {
+        return index;
+    }
+
+    /**
+     * @return Chunk of the tool parameters
+     */
+    @JsonProperty("parameters")
+    public Optional<String> getParameters() {
+        return parameters;
+    }
+
+    /**
+     * @return Chunk of the tool plan text
+     */
+    @JsonProperty("text")
+    public Optional<String> getText() {
+        return text;
+    }
+
+    @java.lang.Override
+    public boolean equals(Object other) {
+        if (this == other) return true;
+        return other instanceof ToolCallDelta && equalTo((ToolCallDelta) other);
+    }
+
+    @JsonAnyGetter
+    public Map<String, Object> getAdditionalProperties() {
+        return this.additionalProperties;
+    }
+
+    private boolean equalTo(ToolCallDelta other) {
+        return name.equals(other.name)
+                && index.equals(other.index)
+                && parameters.equals(other.parameters)
+                && text.equals(other.text);
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+        return Objects.hash(this.name, this.index, this.parameters, this.text);
+    }
+
+    @java.lang.Override
+    public String toString() {
+        return ObjectMappers.stringify(this);
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    @JsonIgnoreProperties(ignoreUnknown = true)
+    public static final class Builder {
+        private Optional<String> name = Optional.empty();
+
+        private Optional<Double> index = Optional.empty();
+
+        private Optional<String> parameters = Optional.empty();
+
+        private Optional<String> text = Optional.empty();
+
+        @JsonAnySetter
+        private Map<String, Object> additionalProperties = new HashMap<>();
+
+        private Builder() {}
+
+        public Builder from(ToolCallDelta other) {
+            name(other.getName());
+            index(other.getIndex());
+            parameters(other.getParameters());
+            text(other.getText());
+            return this;
+        }
+
+        @JsonSetter(value = "name", nulls = Nulls.SKIP)
+        public Builder name(Optional<String> name) {
+            this.name = name;
+            return this;
+        }
+
+        public Builder name(String name) {
+            this.name = Optional.of(name);
+            return this;
+        }
+
+        @JsonSetter(value = "index", nulls = Nulls.SKIP)
+        public Builder index(Optional<Double> index) {
+            this.index = index;
+            return this;
+        }
+
+        public Builder index(Double index) {
+            this.index = Optional.of(index);
+            return this;
+        }
+
+        @JsonSetter(value = "parameters", nulls = Nulls.SKIP)
+        public Builder parameters(Optional<String> parameters) {
+            this.parameters = parameters;
+            return this;
+        }
+
+        public Builder parameters(String parameters) {
+            this.parameters = Optional.of(parameters);
+            return this;
+        }
+
+        @JsonSetter(value = "text", nulls = Nulls.SKIP)
+        public Builder text(Optional<String> text) {
+            this.text = text;
+            return this;
+        }
+
+        public Builder text(String text) {
+            this.text = Optional.of(text);
+            return this;
+        }
+
+        public ToolCallDelta build() {
+            return new ToolCallDelta(name, index, parameters, text, additionalProperties);
+        }
+    }
+}
diff --git a/src/main/java/com/cohere/api/types/UnprocessableEntityErrorBody.java b/src/main/java/com/cohere/api/types/UnprocessableEntityErrorBody.java
new file mode 100644
index 0000000..7015d24
--- /dev/null
+++ b/src/main/java/com/cohere/api/types/UnprocessableEntityErrorBody.java
@@ -0,0 +1,95 @@
+/**
+ * This file was auto-generated by Fern from our API Definition.
+ */
+package com.cohere.api.types;
+
+import com.cohere.api.core.ObjectMappers;
+import com.fasterxml.jackson.annotation.JsonAnyGetter;
+import com.fasterxml.jackson.annotation.JsonAnySetter;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonSetter;
+import com.fasterxml.jackson.annotation.Nulls;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+
+@JsonInclude(JsonInclude.Include.NON_EMPTY)
+@JsonDeserialize(builder = UnprocessableEntityErrorBody.Builder.class)
+public final class UnprocessableEntityErrorBody {
+    private final Optional<String> data;
+
+    private final Map<String, Object> additionalProperties;
+
+    private UnprocessableEntityErrorBody(Optional<String> data, Map<String, Object> additionalProperties) {
+        this.data = data;
+        this.additionalProperties = additionalProperties;
+    }
+
+    @JsonProperty("data")
+    public Optional<String> getData() {
+        return data;
+    }
+
+    @java.lang.Override
+    public boolean equals(Object other) {
+        if (this == other) return true;
+        return other instanceof UnprocessableEntityErrorBody && equalTo((UnprocessableEntityErrorBody) other);
+    }
+
+    @JsonAnyGetter
+    public Map<String, Object> getAdditionalProperties() {
+        return this.additionalProperties;
+    }
+
+    private boolean equalTo(UnprocessableEntityErrorBody other) {
+        return data.equals(other.data);
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+        return Objects.hash(this.data);
+    }
+
+    @java.lang.Override
+    public String toString() {
+        return ObjectMappers.stringify(this);
+    }
+
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    @JsonIgnoreProperties(ignoreUnknown = true)
+    public static final class Builder {
+        private Optional<String> data = Optional.empty();
+
+        @JsonAnySetter
+        private Map<String, Object> additionalProperties = new HashMap<>();
+
+        private Builder() {}
+
+        public Builder from(UnprocessableEntityErrorBody other) {
+            data(other.getData());
+            return this;
+        }
+
+        @JsonSetter(value = "data", nulls = Nulls.SKIP)
+        public Builder data(Optional<String> data) {
+            this.data = data;
+            return this;
+        }
+
+        public Builder data(String data) {
+            this.data = Optional.of(data);
+            return this;
+        }
+
+        public UnprocessableEntityErrorBody build() {
+            return new UnprocessableEntityErrorBody(data, additionalProperties);
+        }
+    }
+}