Claude (Anthropic) · 31d ago

Degraded performance on Claude Sonnet 5

Name: Degraded performance on Claude Sonnet 5
Start: 2026-08-03T15:13:45.852Z
End: 2026-08-03T15:29:01.564Z

Resolved

Timeline

Started: Aug 3, 2026, 3:13 PM UTC

Last update: Aug 14, 2026, 10:28 AM UTC

Resolved: Aug 3, 2026, 3:29 PM UTC

Affected: rwppv331jlwc, k8w3r06qmzrp, yyzkbfz2thpt, bpp5gb3hpjcl

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