Affected components
API
Updates
Resolved
The issues affecting openai/gpt-120b and openai/gpt-20b have been resolved. Users should no longer be receiving 400 errors. Thank you for your patience.
Fri, Aug 22, 2025, 05:33 PM
Identified
We have identified an issue causing users to receive frequent 400 errors with "tool choice is none, but model failed to call a tool" while using openai/gpt-oss-120b and openai/gpt-oss-20b. We are implementing a fix now. Users may still see these errors during this time.
Fri, Aug 22, 2025, 04:55 PM(38 minutes earlier)