Outage in Anthropic
Elevated errors across all models
Resolved MajorIncident Report
Summary AI Generated
Anthropic experienced elevated error rates across all Claude models (including Haiku, Sonnet, Opus, and others) on July 29, 2026, affecting both claude.ai and api.anthropic.com for approximately 2.8 hours. Users encountered capacity constraint errors preventing requests from being processed across all models. The issue was identified and resolved, with full recovery confirmed by 22:36 UTC.
We are currently investigating this issue.
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Latest Updates ( sorted recent to last )
RESOLVED
2 days ago - at 07/29/2026 10:36PM
This issue has been resolved.
MONITORING
2 days ago - at 07/29/2026 10:20PM
From 12:45 PT / 19:45 UTC through to 1:26 PT / 21:26 UTC, we saw elevated rates of errors across Claude models. We have seen recovery in success rates across all models and are monitoring closely to ensure no further issues.
IDENTIFIED
2 days ago - at 07/29/2026 09:38PM
We are continuing to work to fully resolve issues resulting in elevated requests and latency to Claude models. At this time, we are seeing recovery across most models. We will provide an additional update as soon as possible.
IDENTIFIED
2 days ago - at 07/29/2026 08:33PM
We have identified an issue resulting in elevated errors across multiple models, and are working to resolve this. We will provide an update as soon as possible.
INVESTIGATING
2 days ago - at 07/29/2026 07:49PM
We are currently investigating this issue.
Latest Anthropic outages
Degraded performance on Claude Sonnet 5 - 1 day ago
Degraded performance on Claude Opus 4.8 - 1 day ago
Elevated errors across many models - 2 days ago
Elevated errors on Claude Opus 5 and Haiku 4.5 - 5 days ago
Elevated errors on Claude Opus 5 - 5 days ago
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