Outage in Anthropic
Elevated error rates on requests to some models
Resolved MajorIncident Report
Summary AI Generated
Anthropic experienced elevated error rates affecting requests to Claude Opus and Sonnet 4.6 models through their API, while Opus 4.7 returned to normal success rates earlier in the incident. The service disruption lasted 1.5 hours before being fully resolved, with api.anthropic.com being the affected component.
We are currently investigating this issue.
Components affected
Anthropic api.anthropic.comTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
1 day ago - at 05/15/2026 01:46AM
This incident has been resolved.
IDENTIFIED
1 day ago - at 05/15/2026 01:26AM
We are working to resolve errors impacting Claude Opus 4.6, and have seen both Sonnet 4.6 and Opus 4.7 return to normal success rates.
IDENTIFIED
1 day ago - at 05/15/2026 01:06AM
We are currently working to resolve issues affecting requests to Claude Opus and Sonnet 4.6, though success rates for Opus 4.7 have returned to normal.
INVESTIGATING
1 day ago - at 05/15/2026 12:19AM
We are continuing to investigate this issue.
INVESTIGATING
1 day ago - at 05/15/2026 12:18AM
We are currently investigating this issue.
Latest Anthropic outages
Elevated errors on Claude Opus 4.7 - 1 day ago
Claude.ai is experiencing elevated error rates - 3 days ago
Claude.ai is experiencing elevated error rates - 3 days ago
Elevated errors on Claude Opus 4.7 - 3 days ago
Elevated errors for Claude Sonnet 4.6 and Haiku 4.5 - 3 days ago
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