Elevated errors for Claude Opus 5.5

Major · Started Oct 24, 2026 · 12:31 AM

Duration

5m
Severity

Major
Detection lead

—
User reports

Peak 2/hr

Summary

Elevated errors for Claude Opus 5.5

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.

Started

Oct 24, 2026 · 12:31 AM
Resolved

Oct 24, 2026 · 12:37 AM
Duration

5m
Severity

Major

Event timeline

How this incident unfolded

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Investigating
Oct 24 · 12:31 AM Claude

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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Resolved
Oct 24 · 12:37 AM Claude

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.