Outage in Anthropic
Sonnet 4.5 elevated errors
Resolved MinorIncident Report
Summary AI Generated
Anthropic's Claude Sonnet 4.5 model experienced elevated error rates affecting claude.ai, the developer console, and API endpoints for 21 minutes. The issue impacted users' ability to interact with the AI model across all platforms. A fix was implemented and the incident was resolved after monitoring confirmed the solution was effective.
We are currently investigating this issue.
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Latest Updates ( sorted recent to last )
RESOLVED
about 9 hours ago - at 06/01/2026 09:28AM
This incident has been resolved.
MONITORING
about 10 hours ago - at 06/01/2026 09:17AM
We are continuing to monitor for any further issues.
MONITORING
about 10 hours ago - at 06/01/2026 09:13AM
A fix has been implemented and we are monitoring the results.
INVESTIGATING
about 10 hours ago - at 06/01/2026 09:08AM
We are currently investigating this issue.
Latest Anthropic outages
Degraded performance for Claude Sonnet 4.6 - 23 minutes ago
Elevated errors on Claude Sonnet 4.6 - about 4 hours ago
Elevated errors for Claude Opus 4.7 - about 7 hours ago
Opus 4.7 elevated errors - about 12 hours ago
opus 4.7 elevated errors - 2 days ago
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