Official Claude API incident · Oct 6, 2026

Elevated errors for Claude Opus 5.5

Major impact Claude API incident on Oct 6, 2026, lasting 19 min. Read the official timeline and compare it with community reports from the same day.

ImpactMajor impactDuration19 minFinal statusresolved

Official timeline

What happened

Oct 6, 2026, 12:24 PM UTCinvestigating

We are investigating elevated errors on requests to Claude Opus 5.5. We will provide an update as soon as possible.

Oct 6, 2026, 12:37 PM UTCidentified

We have identified the cause of elevated errors on requests to Claude Opus 5.5 and are working on a fix. We will provide an update as soon as possible.

Oct 6, 2026, 12:43 PM UTCresolved

The issue affecting Claude Opus 5.5 has been resolved.

Official incident details come from Anthropic Status. Community reports are voluntary submissions, not unique users or verified incident attribution. claudedumb.com is independent and not affiliated with Anthropic.