Outage in Anthropic
Elevated errors on many Claude models
Resolved MajorIncident Report
Summary AI Generated
Anthropic experienced elevated errors across many Claude models, affecting both the API (api.anthropic.com) and Claude.ai web interface for 3.2 hours. The issues primarily impacted Opus 4.7 and Opus 4.8 models, while other models recovered earlier in the incident. The incident was fully resolved with success rates returning to expected levels across all models.
We are currently investigating this issue.
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Latest Updates ( sorted recent to last )
RESOLVED
1 day ago - at 06/05/2026 06:28PM
This incident has been resolved.
MONITORING
1 day 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
1 day 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
1 day 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
1 day ago - at 06/05/2026 03:19PM
We are currently investigating this issue.
Latest Anthropic outages
Elevated errors on Claude Opus 4.8 - about 3 hours ago
Opus 4.8 degraded service - about 12 hours ago
Elevated errors on Opus 4.7 - 4 days ago
Issue affecting some Claude Code services - 4 days ago
Elevated errors on Opus 4.6 - 5 days ago
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