New OpenAI GPT model doesn’t have some parameters required on intergration #158842
Description
The problem
The newest GPT-5.2 model tested, top_p which is required on hassio is not available on OpenAI api for that model, having error returned
What version of Home Assistant Core has the issue?
core-2025.12.3
What was the last working version of Home Assistant Core?
No response
What type of installation are you running?
Home Assistant OS
Integration causing the issue
openai_conversation
Link to integration documentation on our website
https://www.home-assistant.io/integrations/openai_conversation
Diagnostics information
No response
Example YAML snippet
Anything in the logs that might be useful for us?
logger: homeassistant.components.openai_conversation
source: components/openai_conversation/entity.py:660
Error talking to OpenAI: Error code: 400 - {'error': {'message': "Unsupported parameter: 'top_p' is not supported with this model.", 'type': 'invalid_request_error', 'param': 'top_p', 'code': None}}