lm-sys / lm-sys/FastChat

How do you consider the 'top_k' parameter when using openai_api_server to start?

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Description

I would like to try 'top_k' in my scenario to see if anything different in the output, but seems the openai invoke method does not support this parameter. https://platform.openai.com/docs/api-reference/chat/create

I can find the logic to handle 'top_k' in https://github.com/lm-sys/FastChat/blob/main/fastchat/serve/openai_api_server.py, so I am wondering if fastchat support any other ways to use this parameter?

Many thanks for any suggestions!

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with fastchat/serve/openai_api_server.py and compare its top_k handling with the OpenAI Chat Completions API documentation linked in the issue. Determine whether FastChat exposes a supported way to pass top_k; done means the supported usage or required change is clearly established.

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Assessment

Tech stack
python
Domain
ai, api
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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