GPT-5 Not working on Azure - Functions not supported

👋 This issue might be a duplicate of existing issues. Please check:

BUG: gpt-5 azure Unsupported parameter: 'max_tokens' #1697: BUG: gpt-5 azure Unsupported parameter: 'max_tokens' - Reports Azure GPT-5 parameter compatibility issues
Bug: Unknown parameter: 'reasoningEffort'. Did you mean 'reasoning_effort'? #1742: Bug: Unknown parameter: 'reasoningEffort'. Did you mean 'reasoning_effort'? - Similar Azure GPT-5 parameter issues
Reasoning effort from opencode.json not passed through for Azure models #1823: Reasoning effort from opencode.json not passed through for Azure models - Azure-specific parameter handling problems
Invalid Schema errors on Azure OpenAI Models #441: Invalid Schema errors on Azure OpenAI Models - General Azure OpenAI schema/function support issues

If none of these address your specific case, please let us know how this issue differs.

Nope, it doesn't relate to any of these. This is a different 'functions with gpt5-chat' error

@hkrutzer

thank you @hkrutzer

closing since Azure docs say this is expected

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