Provider incident title: “Some users may encounter issues with GPT-5.4-C model in Codex”
Started
Tuesday, April 21, 2026
02:34 AM UTC
Duration
1h 58m
total
Resolved
04:33 AM UTC
Apr 21, 2026
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This incident was sourced from ChatGPT's official Atlassian Statuspage. Tickerr ingests updates every 10 minutes to surface incidents as they are posted by the provider.
This incident lasted 1h 58m.
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