Incident history
Jul 31, 2026
Degraded performance on Claude Sonnet 5 Official status page
This incident has been resolved.
Jul 31, 2026 · 06:18 → 07:04Jul 30, 2026
Degraded performance on Claude Opus 4.8 Official status page
This incident has been resolved.
Jul 30, 2026 · 13:43 → 14:24Elevated errors across many models Official status page
This incident has been resolved.
Jul 30, 2026 · 05:57 → 10:48Jul 29, 2026
Elevated errors across all models Official status page
This issue has been resolved.
Jul 29, 2026 · 19:49 → 22:36Jul 27, 2026
Elevated errors on Claude Opus 5 and Haiku 4.5 Official status page
As of 7:34 PST / 14:34 UTC the errors have returned to baseline.
Jul 27, 2026 · 13:39 → 14:36Elevated errors on Claude Opus 5 Official status page
As of 4:47 PST / 11:47 UTC the errors have returned to baseline.
Jul 27, 2026 · 11:27 → 12:30Elevated errors on Claude Opus 5 Official status page
As of 2:03 PST / 9:03 UTC the errors have returned to baseline.
Jul 27, 2026 · 08:16 → 09:05Jul 26, 2026
Elevated errors for Opus 5 Official status page
This incident has been resolved.
Jul 26, 2026 · 09:17 → 10:44Jul 25, 2026
Elevated errors for Claude Fable 5, Claude Sonnet 5, Claude Haiku 4.5, and other models Official status page
This incident has been resolved.
Jul 25, 2026 · 21:34 → 22:08Elevated errors for Mythos 5, Fable 5, Opus 5 and Claude Haiku 4.5 Official status page
This incident has been resolved.
Jul 25, 2026 · 18:40 → 19:44Sonnet 4.6 and Sonnet 5 errors elevated Official status page
For approximately 10 minutes, error rates on Sonnet 4.6 and 5 were elevated. Service returned to normal at approximately 11:07a PDT.
Jul 25, 2026 · 18:13 → 18:13Jul 24, 2026
Elevated error rate on Opus 4.8 Official status page
This incident has been resolved.
Jul 24, 2026 · 09:09 → 10:22Jul 22, 2026
Microsoft Office add-in availability Official status page
This issue has been resolved.
Jul 22, 2026 · 17:56 → 15:36