OpenAI outage on 21 October 2026
Major outageAn email when it goes down, and when it’s back.
“Elevated error rates for gpt-5.6-luna API requests”
On 21 October, OpenAI had a major outage with elevated error rates for API requests to gpt-5.6-luna and for FedRAMP API requests to Astra and Sol, lasting 5 h 18 min from 14:18 to 19:35 UTC. The status page's first updates were timestamped 13:42 and 13:51, before the incident opened at 14:17, so errors were being reported earlier than the official start. The status page said a mitigation was applied at 16:46 and reported full recovery at 19:34.
- When
- 14:18–19:35 UTC
- How long
- 5 h 18 min
- Incident open on its page
- 14:17–19:34 UTC
- OpenAI, 30 days before
- 4 other outages
At the same time
Started in the hour before or during it
And 597 lesser-known services. Problems at the same time are a clue, never proof that one caused another.
Timeline
Times in UTC
- Cause identified
- Investigating
- Fix in place, monitoring
- Resolved
Where this comes from
Stackpulse reads OpenAI’s official status page at status.openai.com every minute. The times above are when it reported the problem; the summary is written from its updates and checked against them.
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