Outage in Claude
Elevated errors across many models
Resolved MajorIncident Report
Summary AI Generated
**Claude Elevated Errors – July 30, 2026** Claude.ai and the Anthropic API experienced elevated error rates across multiple models for approximately 4.9 hours. The incident affected models in a rolling, unstable pattern — with Sonnet 5, Opus 5, Fable 5, Opus 4.7, and Opus 4.5 each cycling in and out of elevated errors before stabilizing. The incident was fully resolved by 10:48 UTC.
We are currently investigating this issue.
Components affected
Claude claude.ai Claude api.anthropic.comLatest Updates ( sorted recent to last )
RESOLVED
10 days ago - at 07/30/2026 10:48AM
This incident has been resolved.
MONITORING
10 days ago - at 07/30/2026 10:23AM
We are also investigating issues with Opus 4.7 and Opus 4.5.
MONITORING
10 days ago - at 07/30/2026 10:03AM
As of 2:58 PT / 9:58 UTC the errors are back to baseline.
IDENTIFIED
10 days ago - at 07/30/2026 08:33AM
As of 01:33 PT / 08:33 UTC we are back to errors across all models.
IDENTIFIED
11 days ago - at 07/30/2026 08:06AM
As of 8:05 UTC / 1:05 PT, Sonnet 5 errors are back to baseline, but we're seeing an increased error rate on Fable 5.
IDENTIFIED
11 days ago - at 07/30/2026 07:33AM
As of 7:32 UTC / 0:32 PT, Opus 5 errors are back to baseline but we're seeing again Sonnet 5's errors up.
IDENTIFIED
11 days ago - at 07/30/2026 06:26AM
All models except Opus 5 have recovered. We're working to recover Opus 5 as well.
INVESTIGATING
11 days ago - at 07/30/2026 05:57AM
We are currently investigating this issue.
Latest Claude outages
Degraded performance for Claude Opus 5 - 4 days ago
Degraded performance of multiple models - 5 days ago
Elevated errors across many models - 5 days ago
Elevated errors on Claude Sonnet 5 - 5 days ago
Elevated errors on Claude Sonnet 5 - 6 days ago
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