Degraded performance on Claude Sonnet 5

Resolved

Yes — Claude had a problem on August 3, 2026, and Claude (Anthropic) has since marked it resolved. Claude (Anthropic)'s latest word: “As of 15:20 UTC (8:20am PT), error rates on Claude Sonnet 5 have returned to baseline. This incident is resolved.”

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Timeline

Started: 8/3/2026, 3:13:45 PM

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

Resolved: 8/3/2026, 3:29:01 PM

Affected: rwppv331jlwc, k8w3r06qmzrp, yyzkbfz2thpt, bpp5gb3hpjcl

Claude (Anthropic)'s official report →

Updates

resolved
As of 15:20 UTC (8:20am PT), error rates on Claude Sonnet 5 have returned to baseline. This incident is resolved.
8/3/2026, 3:29:01 PM
investigating
We are currently investigating this issue.
8/3/2026, 3:13:46 PM

More Claude (Anthropic) incidents

Elevated errors affecting the Google Calendar connector — resolved, 17h ago
Elevated errors affecting the Gmail connector — resolved, 1d ago
Elevated errors for Claude Sonnet 5.5 — resolved, 2d ago
Elevated errors for Claude Sonnet 5.5 — resolved, 2d ago
Elevated errors for Claude Fable 5.1 — resolved, 4d ago
Elevated errors for Claude Sonnet 5.5 and other models — resolved, 4d ago

Is Claude down right now?All outage history →