Outage in Anthropic
Elevated errors on Claude Sonnet 4.0
Resolved Minor
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Outage Details
We are investigating an issue with Claude Sonnet 4.0 that started at 23:53 PT / 6:53 UTC
Latest Updates ( sorted recent to last )
RESOLVED
about 15 hours ago - at 09/10/2025 09:25AM
This incident has been resolved.
MONITORING
about 15 hours ago - at 09/10/2025 09:14AM
A fix has been implemented and we are monitoring the results.
IDENTIFIED
about 16 hours ago - at 09/10/2025 08:18AM
The issue has been identified and a fix is being implemented.
INVESTIGATING
about 17 hours ago - at 09/10/2025 07:32AM
We are investigating an issue with Claude Sonnet 4.0 that started at 23:53 PT / 6:53 UTC
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