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# Copyright (c) Microsoft. All rights reserved.
import asyncio
from semantic_kernel.connectors.ai.open_ai import (
OpenAIChatCompletion,
OpenAIChatPromptExecutionSettings,
)
from semantic_kernel.contents import ChatHistory
"""
# Reasoning Models Sample
This sample demonstrates an example of how to use reasoning models such as OpenAIs o1 and o1-mini for inference.
Reasoning models currently have certain limitations, which are outlined below.
1. Requires API version `2024-09-01-preview` or later.
- `reasoning_effort` and `developer_message` are only supported in API version `2024-12-01-preview` or later.
- o1-mini is not supported property `developer_message` `reasoning_effort` now.
2. Developer message must be used instead of system message
3. Parallel tool invocation is currently not supported
4. Token limit settings need to consider both reasoning and completion tokens
# Unsupported Properties ⛔
The following parameters are currently not supported:
- temperature
- top_p
- presence_penalty
- frequency_penalty
- logprobs
- top_logprobs
- logit_bias
- max_tokens
- stream
- tool_choice
# .env examples
OpenAI: semantic_kernel/connectors/ai/open_ai/settings/open_ai_settings.py
```.env
OPENAI_API_KEY=*******************
OPENAI_CHAT_MODEL_ID=o1-2024-12-17
```
Azure OpenAI: semantic_kernel/connectors/ai/open_ai/settings/azure_open_ai_settings.py
```.env
AZURE_OPENAI_API_KEY=*******************
AZURE_OPENAI_ENDPOINT=https://*********.openai.azure.com
AZURE_OPENAI_CHAT_DEPLOYMENT_NAME=o1-2024-12-17
AZURE_OPENAI_API_VERSION="2024-12-01-preview"
```
Note: Unsupported features may be added in future updates.
"""
chat_service = OpenAIChatCompletion(service_id="reasoning", instruction_role="developer")
# Set the reasoning effort to "medium" and the maximum completion tokens to 5000.
request_settings = OpenAIChatPromptExecutionSettings(
service_id="reasoning", max_completion_tokens=2000, reasoning_effort="medium"
)
# Create a ChatHistory object
chat_history = ChatHistory()
# This is the system message that gives the chatbot its personality.
developer_message = """
As an assistant supporting the user,
you recognize all user input
as questions or consultations and answer them.
"""
# The developer message was newly introduced for reasoning models such as OpenAIs o1 and o1-mini.
# `system message` cannot be used with reasoning models.
chat_history.add_developer_message(developer_message)
async def chat() -> bool:
try:
user_input = input("User:> ")
except KeyboardInterrupt:
print("\n\nExiting chat...")
return False
except EOFError:
print("\n\nExiting chat...")
return False
if user_input == "exit":
print("\n\nExiting chat...")
return False
chat_history.add_user_message(user_input)
# Get the chat message content from the chat completion service.
response = await chat_service.get_chat_message_content(
chat_history=chat_history,
settings=request_settings,
)
if response:
print(f"Reasoning model:> {response}")
# Add the chat message to the chat history to keep track of the conversation.
chat_history.add_message(response)
return True
async def main() -> None:
# Start the chat loop. The chat loop will continue until the user types "exit".
chatting = True
while chatting:
chatting = await chat()
# Sample output:
# User:> Why is the sky blue in one sentence?
# Mosscap:> The sky appears blue because air molecules in the atmosphere scatter shorter-wavelength (blue)
# light more efficiently than longer-wavelength (red) light.
if __name__ == "__main__":
asyncio.run(main())