Outage in Anthropic
Elevated errors for Claude Opus 5.5
Resolved MajorIncident Report
Summary AI Generated
Claude Opus 5.5 experienced elevated error rates affecting both claude.ai and the Anthropic API for approximately 12 minutes on October 23, 2026 (17:23–17:34 PT). The issue was investigated and resolved, with full service restored by 17:34 PT.
We are investigating elevated errors on requests to Claude Opus 5.5. We will provide an update as soon as possible.
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Latest Updates ( sorted recent to last )
RESOLVED
6 days ago - at 10/24/2026 12:37AM
The issue affecting Claude Opus 5.5 has been resolved. Impact occurred from 17:23 PT on October 23 / 00:23 UTC on October 24 to 17:34 PT on October 23 / 00:34 UTC on October 24.
INVESTIGATING
6 days ago - at 10/24/2026 12:31AM
We are investigating elevated errors on requests to Claude Opus 5.5. We will provide an update as soon as possible.
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