Outage in Claude
Elevated errors on many Claude models
Resolved MajorIncident Report
Summary AI Generated
Claude experienced elevated errors across multiple models for 3.2 hours, affecting both the API (api.anthropic.com) and web interface (claude.ai). Users encountered 529 overloaded errors, extended retry attempts, login issues, and general service unavailability. The issue was identified as primarily affecting Opus 4.7 and 4.8 models, with other models recovering first before full resolution was achieved.
We are currently investigating this issue.
Components affected
Claude claude.ai Claude api.anthropic.comLatest Updates ( sorted recent to last )
RESOLVED
3 days ago - at 06/05/2026 06:28PM
This incident has been resolved.
MONITORING
3 days ago - at 06/05/2026 05:13PM
Success rates across all models have returned to expected levels. We are continuing to monitor closely to ensure no further issues will recur.
IDENTIFIED
3 days ago - at 06/05/2026 04:46PM
We are continuing to work to resolve issues affecting success rates on Opus 4.7 and 4.8, and will provide additional updates as soon as possible.
IDENTIFIED
4 days ago - at 06/05/2026 03:43PM
We have identified the issue and we are working to mitigate the issue. Current ongoing issues with frontier models are with Opus 4.7 and Opus 4.8 and other models have recovered.
INVESTIGATING
4 days ago - at 06/05/2026 03:19PM
We are currently investigating this issue.
Latest Claude outages
Elevated errors on Claude Opus 4.8 (Fast Mode) - 44 minutes ago
Elevated errors on Claude Opus 4.8 - about 6 hours ago
Elevated errors on Claude Opus 4.7 - about 7 hours ago
Elevated errors on Claude Haiku 4.5 - about 9 hours ago
Elevated errors on Claude Opus 4.7 - about 11 hours ago
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