gpt-5.4-mini has recovered and is operating normally.

We are seeing failed requests for gpt-5.4-mini and are investigating. (HTTP 503: {"error":{"code":"modelnotfound","message":"No available channel for model gpt-5.4-mini under group auto (distributor) (request id: 202608271910166544513968268d9d6Ss2UcP4m)","type":"newapierror"}})