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Outage in Claude

Elevated errors on Claude Sonnet 4.5

Resolved Minor
February 23, 2026 - Started 4 days ago - Lasted 16 minutes
Official incident page

Incident Report

Summary AI Generated

Claude Sonnet 4.5 experienced elevated error rates affecting both claude.ai and api.anthropic.com for 16 minutes. The issue was identified and a fix was implemented, with error rates returning to baseline levels. Both the web interface and API services were impacted during this minor incident.

We are currently investigating this issue.
Components affected
Claude claude.ai Claude api.anthropic.com
Latest Updates ( sorted recent to last )
RESOLVED 4 days ago - at 02/23/2026 11:36AM

As of 03:26 PT / 11:26 UTC the error rate has now reduced to the baseline.

IDENTIFIED 4 days ago - at 02/23/2026 11:29AM

The issue has been identified and a fix is being implemented.

INVESTIGATING 4 days ago - at 02/23/2026 11:21AM

We are currently investigating this issue.

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