Outage in Anthropic
New chats defaulting to Claude Opus
Resolved MajorIncident Report
We are currently investigating this issue.
Components affected
Anthropic claude.aiNeed to monitor Anthropic outages?
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Latest Updates ( sorted recent to last )
RESOLVED
23 days ago - at 12/16/2025 08:52PM
This incident has been resolved.
MONITORING
23 days ago - at 12/16/2025 08:44PM
We are continuing to monitor for any further issues.
MONITORING
23 days ago - at 12/16/2025 08:44PM
A fix has been implemented and we are monitoring the results.
IDENTIFIED
24 days ago - at 12/16/2025 08:24PM
The issue has been identified and a fix is being implemented.
INVESTIGATING
24 days ago - at 12/16/2025 07:30PM
We are currently investigating this issue.
Latest Anthropic outages
Increased latency on Sonnet 4.5 - about 15 hours ago
Elevated error rates on Opus 4.5 - 2 days ago
Elevated error rates on Opus 4.5 - 17 days ago
Elevated error rates on Opus 4.5 - 18 days ago
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