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Major OutageResolvedOfficial report

Claude Major Outage - May 22, 2026

Provider incident title: “Elevated error rate on multiple models

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Started

Friday, May 22, 2026

04:16 AM UTC

Duration

4h 33m

total

Resolved

08:50 AM UTC

May 22, 2026

Severity: Major Outage|Affected: Claude|Duration: 4h 33m

Incident Timeline7 updates · oldest first

04:16 AM UTCInvestigating

We are currently investigating this issue.

04:40 AM UTCIdentified

We have identified an issue resulting in elevated error rates, primarily on Claude Opus 4.7 and Sonnet 4.6. We are working to resolve these issues, and will provide additional updates as soon as possible.

05:25 AM UTCIdentified

We are continuing to work to fully resolve issues impacting Claude Opus 4.7, and Sonnet 4.6. At this time, success rates on Claude Opus 4.7 have stabilized. We will provide additional updates shortly.

05:53 AM UTCMonitoring

We have seen success rates on Claude Opus 4.7 and Sonnet 4.6 return to normal. We are monitoring closely to ensure no further issues, and will provide an additional update shortly.

06:17 AM UTCMonitoring

We are currently working to resolve some additional errors impacting Claude Opus 4.7 and Haiku 4.5, we will provide an additional update shortly.

06:32 AM UTCMonitoring

We are monitoring recovery on Claude Opus 4.7, and working to fully resolve remaining errors impacting Haiku 4.5. We will provide additional updates shortly.

08:50 AM UTCResolved

This issue has been resolved.

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About This Report

Claude 30-day uptime: 100% based on Tickerr's independent monitoring checks.

This incident was sourced from Claude's official Atlassian Statuspage. Tickerr ingests updates every 10 minutes to surface incidents as they are posted by the provider.

This incident lasted 4h 33m.

Tickerr monitors 90+ AI tools independently. View live Claude status or all AI tool status.

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