Websearch in ChatCompletion API

API
1

In the doc https://platform.openai.com/docs/guides/responses-vs-chat-completions?api-mode=responses
it says that the WebSearch tool is available via the Response API as well as via the ChatCompletion API

The image is a comparison table showing the capabilities supported by the Chat Completions API and the Responses API, with some features like File search, Computer use, and Code interpreter not yet available for either API, and Audio and Code interpreter labeled as "Coming soon" for the Responses API. (Captioned by AI)
The image is a comparison table showing the capabilities supported by the Chat Completions API and the Responses API, with some features like File search, Computer use, and Code interpreter not yet available for either API, and Audio and Code interpreter labeled as "Coming soon" for the Responses API. (Captioned by AI)1310×677 29.8 KB

But how exactly does it work via ChatCompletion? I am always getting an error in the response.

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2

On completions you use specialized models for compatibility:

  • gpt-4o-search-preview
  • gpt-4o-mini-search-preview
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