diff --git a/openai-core/src/main/scala/io/cequence/openaiscala/service/adapter/ChatCompletionSettingsConversions.scala b/openai-core/src/main/scala/io/cequence/openaiscala/service/adapter/ChatCompletionSettingsConversions.scala
index 94ebc79d..ccc0f63f 100644
--- a/openai-core/src/main/scala/io/cequence/openaiscala/service/adapter/ChatCompletionSettingsConversions.scala
+++ b/openai-core/src/main/scala/io/cequence/openaiscala/service/adapter/ChatCompletionSettingsConversions.scala
@@ -90,7 +90,7 @@ object ChatCompletionSettingsConversions {
           settings.response_format_type.isDefined && settings.response_format_type.get != ChatCompletionResponseFormatType.text,
         _.copy(response_format_type = None),
         Some(
-          "O1 models don't support json object/schema response format, converting to None."
+          "O1 (preview) models don't support json object/schema response format, converting to None."
         ),
         warning = true
       )
diff --git a/openai-examples/src/main/scala/io/cequence/openaiscala/examples/CreateChatCompletionWithO1.scala b/openai-examples/src/main/scala/io/cequence/openaiscala/examples/CreateChatCompletionWithO1.scala
new file mode 100644
index 00000000..a95eed99
--- /dev/null
+++ b/openai-examples/src/main/scala/io/cequence/openaiscala/examples/CreateChatCompletionWithO1.scala
@@ -0,0 +1,33 @@
+package io.cequence.openaiscala.examples
+
+import io.cequence.openaiscala.domain._
+import io.cequence.openaiscala.domain.settings.{
+  ChatCompletionResponseFormatType,
+  CreateChatCompletionSettings
+}
+
+import scala.concurrent.Future
+
+object CreateChatCompletionWithO1 extends Example {
+
+  private val messages = Seq(
+    // system message still works for O1 models but moving forward DeveloperMessage should be used instead
+    SystemMessage("You are a helpful weather assistant who likes to make jokes."),
+    UserMessage("What is the weather like in Norway per major cities? Answer in json format.")
+  )
+
+  override protected def run: Future[_] =
+    service
+      .createChatCompletion(
+        messages = messages,
+        settings = CreateChatCompletionSettings(
+          model = ModelId.o1,
+          temperature = Some(0.1),
+          response_format_type = Some(ChatCompletionResponseFormatType.json_object),
+          max_tokens = Some(4000)
+        )
+      )
+      .map { content =>
+        printMessageContent(content)
+      }
+}