[Issue]: Why is response_format ignored in groq?

[r4881t]

Describe the issue

I looked into the code and found that response_format is ignored in groq.

autogen/autogen/oai/groq.py

Line 121 in e90aee4

# n (must be 1), response_format (to enforce JSON but needs prompting as well), user,

Why would this be? Similar params in OpenAI are not ignored.

Steps to reproduce

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Screenshots and logs

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Additional Information

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[marklysze]

Hey @r4881t, it's a good question... It's currently noted as a beta feature and in their documentation they note this against it: Important: when using JSON mode, you must also instruct the model to produce JSON yourself via a system or user message..

Would having the parameter be beneficial to you? If so, would you like to create a PR for it? I can assist if needed.