Partially structured output? Free text output, but force correct tool call JSON

[merefield]

No.

You just set strict is true in the function definition as per @_j

Note this is a different problem to:

How can I use function calling with response format (structured output feature) for final response?

Hi everyone, I’m developing a chatbot using GPT-4o and integrating tools to fetch external data for generating user responses. With the introduction of the response_format feature, I’d like to produce responses in a specific JSON schema after making tool calls, rather than defaulting to plain text. However, the documentation doesn’t cover scenarios where both tool calls and the response_format parameter are used simultaneously. https://platform.openai.com/docs/guides/structured-outputs/introd…