Hello Dmytro Shervarly,
Thanks for your question
The Azure OpenAI Assistants API currently does not support the o3-mini model. Unfortunately, there is no provided ETA for when or if this support will be added.
In the meantime, you might consider providing feedback or feature requests through Microsoft’s feedback channels to express the importance of this integration for your use cases: https://feedbackportal.microsoft.com/feedback/
For updates you can check: https://learn.microsoft.com/en-us/azure/ai-services/openai/whats-new
See reference issue answered: https://learn.microsoft.com/en-us/answers/questions/2202922/assistants-api-on-azure-openai-doesnt-support-o3-m
You can mark it 'Accept Answer' and 'Upvote' if this helped you
(Please note: If you have Priority Community support please wait for a dedicated Microsoft support representative to assist you, as they have access to the necessary backend resources. If you have not yet opened a support case, we recommend reaching out through the support channel available under your subscription level.)
Regards,
Abiola