adding support for Anthropic/Cohere/Llama2

requirements.txt

@@ -153,3 +153,4 @@ EbookLib==0.18
 html2text==2020.1.16
 duckduckgo-search==3.8.3 
 google-generativeai==0.1.0
+litellm

superagi/llms/litellm.py

@@ -0,0 +1,117 @@
+import openai
+from openai import APIError, InvalidRequestError
+from openai.error import RateLimitError, AuthenticationError
+import litellm 
+from litellm import completion 
+from superagi.config.config import get_config
+from superagi.lib.logger import logger
+from superagi.llms.base_llm import BaseLlm
+
+
+class Lite(BaseLlm):
+    def __init__(self, api_key, model="gpt-4", temperature=0.6, max_tokens=get_config("MAX_MODEL_TOKEN_LIMIT"), top_p=1,
+                 frequency_penalty=0,
+                 presence_penalty=0, number_of_results=1):
+        """
+        Args:
+            api_key (str): The LLM API key for Anthropic/Cohere/Azure/Replicate.
+            model (str): The model.
+            temperature (float): The temperature.
+            max_tokens (int): The maximum number of tokens.
+            top_p (float): The top p.
+            frequency_penalty (float): The frequency penalty.
+            presence_penalty (float): The presence penalty.
+            number_of_results (int): The number of results.
+        """
+        self.model = model
+        self.temperature = temperature
+        self.max_tokens = max_tokens
+        self.top_p = top_p
+        self.frequency_penalty = frequency_penalty
+        self.presence_penalty = presence_penalty
+        self.number_of_results = number_of_results
+        self.api_key = api_key
+        openai.api_key = api_key
+        litellm.api_base = get_config("OPENAI_API_BASE", None)
+
+    def get_source(self):
+        return "openai"
+
+    def get_api_key(self):
+        """
+        Returns:
+            str: The API key.
+        """
+        return self.api_key
+
+    def get_model(self):
+        """
+        Returns:
+            str: The model.
+        """
+        return self.model
+
+    def chat_completion(self, messages, max_tokens=get_config("MAX_MODEL_TOKEN_LIMIT")):
+        """
+        Call any LLM Provider (Anthropic/Cohere/Azure/Replicate) with the same params as the OpenAI API.
+
+        Args:
+            messages (list): The messages.
+            max_tokens (int): The maximum number of tokens.
+
+        Returns:
+            dict: The response.
+        """
+        try:
+            # openai.api_key = get_config("OPENAI_API_KEY")
+            response = completion(
+                n=self.number_of_results,
+                model=self.model,
+                messages=messages,
+                temperature=self.temperature,
+                max_tokens=max_tokens,
+                top_p=self.top_p,
+                frequency_penalty=self.frequency_penalty,
+                presence_penalty=self.presence_penalty
+            )
+            content = response["choices"][0]["message"]["content"]
+            return {"response": response, "content": content}
+        except AuthenticationError as auth_error:
+            logger.info("LLM AuthenticationError:", auth_error)
+            return {"error": "ERROR_AUTHENTICATION", "message": "Authentication error please check the api keys.."}
+        except RateLimitError as api_error:
+            logger.info("LLM RateLimitError:", api_error)
+            return {"error": "ERROR_RATE_LIMIT", "message": "LLM rate limit exceeded.."}
+        except InvalidRequestError as invalid_request_error:
+            logger.info("LLM InvalidRequestError:", invalid_request_error)
+            return {"error": "ERROR_INVALID_REQUEST", "message": "LLM invalid request error.."}
+        except Exception as exception:
+            logger.info("LLM Exception:", exception)
+            return {"error": "ERROR_LLM", "message": "Open ai exception"}
+
+    def verify_access_key(self):
+        """
+        Verify the access key is valid.
+
+        Returns:
+            bool: True if the access key is valid, False otherwise.
+        """
+        try:
+            models = openai.Model.list()
+            return True
+        except Exception as exception:
+            logger.info("OpenAi Exception:", exception)
+            return False
+
+    def get_models(self):
+        """
+        Get the models.
+
+        Returns:
+            list: The models.
+        """
+        try:
+            return litellm.model_list
+        except Exception as exception:
+            logger.info("OpenAi Exception:", exception)
+            return []