Outage in Anthropic
Elevated errors on Claude 4 Sonnet
Resolved MajorIncident Report
We are investigating an issue on Claude 4 Sonnet that started at 6:04 PT / 13:04 UTC.
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RESOLVED
11 months ago - at 07/23/2025 02:43PM
We've seen two big spikes of errors, one between 13:05 UTC and 13:24 UTC, and another one between 13:50 UTC and 14:18 UTC. The issue has now been resolved.
IDENTIFIED
11 months ago - at 07/23/2025 01:26PM
The issue has been identified and a fix is being implemented.
INVESTIGATING
11 months ago - at 07/23/2025 01:20PM
We are investigating an issue on Claude 4 Sonnet that started at 6:04 PT / 13:04 UTC.
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