Outage in Claude
Elevated errors for Claude Sonnet 5
Resolved MajorIncident Report
Summary AI Generated
Claude experienced elevated error rates on requests to Claude Sonnet 5, affecting both claude.ai and the Anthropic API. The incident lasted approximately 20 minutes before a fix was implemented and confirmed resolved.
We are investigating elevated errors on requests to Claude Sonnet 5. We will provide an update as soon as possible.
Components affected
Claude claude.ai Claude api.anthropic.comLatest Updates ( sorted recent to last )
RESOLVED
8 days ago - at 09/03/2026 12:56PM
This incident has been resolved.
MONITORING
8 days ago - at 09/03/2026 12:47PM
A fix has been implemented and we are monitoring the results.
INVESTIGATING
8 days ago - at 09/03/2026 12:37PM
We are investigating elevated errors on requests to Claude Sonnet 5. We will provide an update as soon as possible.
Latest Claude outages
Elevated errors for multiple models - 8 days ago
Elevated errors for Claude Sonnet 5 - 9 days ago
Degraded performance on Claude for Microsoft Office 365 - 10 days ago
Degraded performance on claude.ai and Claude Code - 11 days ago
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