Outage in Anthropic
Elevated errors for requests to Claude Opus 4.5
Resolved MajorIncident Report
We are currently investigating this issue.
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Latest Updates ( sorted recent to last )
RESOLVED
2 days ago - at 11/25/2025 11:44PM
This incident has been resolved.
MONITORING
2 days ago - at 11/25/2025 09:28PM
A fix has been implemented and we're monitoring recovery.
IDENTIFIED
2 days ago - at 11/25/2025 09:16PM
We are aware of an issue affecting a large number of users causing 529 overloaded responses from our APIs. We've identified the issue and are working on mitigations. We'll be back shortly - please bear with us.
INVESTIGATING
2 days ago - at 11/25/2025 08:56PM
We are currently investigating this issue.
Latest Anthropic outages
Elevated errors for requests to Claude 4.5 Sonnet 1M - about 17 hours ago
Elevated Error Rates on the API - 3 days ago
Model usage attribution issues - 3 days ago
Elevated error rates on the API - 5 days ago
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