Outage in Anthropic
Elevated error rate on multiple models
Resolved MajorIncident Report
Summary AI Generated
Anthropic experienced elevated error rates across multiple Claude models (primarily Opus 4.7, Sonnet 4.6, and Haiku 4.5) for 4.6 hours, affecting the console, API, and Claude.ai services. The incident was identified as impacting model success rates, with recovery occurring in stages as different models were restored to normal operation. The issue was fully resolved after monitoring confirmed stable performance across all affected models.
We are currently investigating this issue.
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Latest Updates ( sorted recent to last )
RESOLVED
about 9 hours ago - at 05/22/2026 08:50AM
This issue has been resolved.
MONITORING
about 11 hours ago - at 05/22/2026 06:32AM
We are monitoring recovery on Claude Opus 4.7, and working to fully resolve remaining errors impacting Haiku 4.5. We will provide additional updates shortly.
MONITORING
about 12 hours ago - at 05/22/2026 06:17AM
We are currently working to resolve some additional errors impacting Claude Opus 4.7 and Haiku 4.5, we will provide an additional update shortly.
MONITORING
about 12 hours ago - at 05/22/2026 05:53AM
We have seen success rates on Claude Opus 4.7 and Sonnet 4.6 return to normal. We are monitoring closely to ensure no further issues, and will provide an additional update shortly.
IDENTIFIED
about 12 hours ago - at 05/22/2026 05:25AM
We are continuing to work to fully resolve issues impacting Claude Opus 4.7, and Sonnet 4.6. At this time, success rates on Claude Opus 4.7 have stabilized. We will provide additional updates shortly.
IDENTIFIED
about 13 hours ago - at 05/22/2026 04:40AM
We have identified an issue resulting in elevated error rates, primarily on Claude Opus 4.7 and Sonnet 4.6. We are working to resolve these issues, and will provide additional updates as soon as possible.
INVESTIGATING
about 14 hours ago - at 05/22/2026 04:16AM
We are currently investigating this issue.
Latest Anthropic outages
Elevated errors on Claude Opus 4.7 - about 8 hours ago
Elevated errors on Claude.ai - about 21 hours ago
Elevated errors on Claude Opus 4.7 - 2 days ago
Elevated errors on Claude Haiku 4.5 - 2 days ago
Elevated errors on Claude Opus 4.7 - 3 days ago
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