GPT-5 Model Support for Phoenix Evals on Azure OpenAI

Hi Team , are the gpt 5 models via azure openai ,supported yet for 'phoenix-evals' ? Running into an error : BadRequestError('Error code: 400 - {\'error\': {\'message\': "Invalid type for \'max_tokens\': expected an unsupported value, but got null instead." while trying to use gpt-5-mini , hosted on azure openai