Elevated errors on Haiku 4.5

Resolved

Yes — Claude had a problem on July 21, 2026, and Claude (Anthropic) has since marked it resolved. Claude (Anthropic)'s latest word: “This incident has been resolved.”

See Claude's live status →

Timeline

Started: 7/21/2026, 1:04:35 PM

Last update: 8/14/2026, 10:28:24 AM

Resolved: 7/21/2026, 4:38:26 PM

Affected: rwppv331jlwc, 0qbwn08sd68x, k8w3r06qmzrp, yyzkbfz2thpt, bpp5gb3hpjcl

Claude (Anthropic)'s official report →

Updates

resolved
This incident has been resolved.
7/21/2026, 4:38:26 PM
monitoring
A fix has been implemented and we are monitoring the results.
7/21/2026, 3:30:16 PM
identified
The issue has been identified and a fix is being implemented.
7/21/2026, 2:44:53 PM
monitoring
A fix has been implemented and we are monitoring the results.
7/21/2026, 1:22:30 PM
identified
The issue has been identified and a fix is being implemented.
7/21/2026, 1:14:56 PM
investigating
We are currently investigating this issue.
7/21/2026, 1:04:36 PM

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Elevated errors for Claude Sonnet 5.5 and other models — resolved, 4d ago

Is Claude down right now?All outage history →