Degraded performance for Claude Opus 5

Resolved

Yes — Claude had a problem on August 5, 2026, and Claude (Anthropic) has since marked it resolved. Claude (Anthropic)'s latest word: “This incident has been resolved.”

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Timeline

Started: 8/5/2026, 1:51:30 PM

Last update: 8/14/2026, 10:28:22 AM

Resolved: 8/5/2026, 2:34:15 PM

Affected: rwppv331jlwc, k8w3r06qmzrp, yyzkbfz2thpt, bpp5gb3hpjcl

Claude (Anthropic)'s official report →

Updates

resolved
This incident has been resolved.
8/5/2026, 2:34:15 PM
identified
We have identified the cause of elevated errors on requests to Claude Opus 5 and are working on a fix. We will provide an update as soon as possible.
8/5/2026, 1:51:30 PM

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