Outage in Anthropic
Opus 4.6 and Sonnet 4.6 error rate elevated
Resolved MajorIncident Report
Summary AI Generated
Anthropic experienced elevated error rates with Opus 4.6 and Sonnet 4.6 models for 2.5 hours, affecting claude.ai, the developer console, and API services. The issue was identified and a fix was implemented. The incident was fully resolved after the engineering team completed their remediation efforts.
The issue has been identified and a fix is being implemented.
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Latest Updates ( sorted recent to last )
RESOLVED
about 7 hours ago - at 03/31/2026 10:09PM
This incident has been resolved.
IDENTIFIED
about 8 hours ago - at 03/31/2026 09:01PM
We are continuing to work on a fix for this issue.
IDENTIFIED
about 9 hours ago - at 03/31/2026 07:41PM
The issue has been identified and a fix is being implemented.
Latest Anthropic outages
Elevated errors and latency on Claude Haiku 4.5 - about 4 hours ago
Unavailable connectors in Claude.ai desktop applications - about 9 hours ago
Elevated errors on Claude Opus 4.6 - about 20 hours ago
Dispatch sessions not responding in Claude Desktop - 3 days ago
Elevated errors on Opus 4.6 Fast Mode - 4 days ago
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