What visitors reported during this incident
No visitor reports were filed for this incident.
Having problems with Anthropic now? Check the current statusAffected services
Updates (5)
- Sep 22, 2026, 02:35 AMElevated errors for multiple models
This issue has been resolved. Impact occurred from 5:50pm PT / 00:50 UTC to 7:10pm PT / 02:10 UTC.
Anthropic ↗ - Sep 22, 2026, 02:11 AMElevated errors for multiple models
We have seen success rates return to normal across affected models, and are monitoring closely to ensure no further issues.
Anthropic ↗ - Sep 22, 2026, 01:35 AMElevated errors for multiple models
We are continuing to work to resolve errors affecting some models. At this time, requests to Claude Fable 5 and 5.1 and Mythos 5 and 5.1 have returned to normal success rates. We are working to resolve remaining errors affecting Claude Opus 5, and will provide an additional update shortly.
Anthropic ↗ - Sep 22, 2026, 01:17 AMElevated errors for multiple models
We have identified the cause of elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 and are working on a fix. We will provide an update as soon as possible.
Anthropic ↗ - Sep 22, 2026, 12:57 AMElevated errors for multiple models
We are investigating elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5. We will provide an update as soon as possible.
Anthropic ↗
What to do next
- Verify your own services recovered cleanly. Some upstream outages leave queues or caches in a degraded state, run smoke tests before declaring green internally.
- Save the post-mortem. Vendors usually publish a detailed RCA 1-3 days later. We'll add it to this page when it appears.
- Watch the provider going forward. Follow Anthropic's status feed →
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