Partial outageAnthropic ・ May 15, 2026
Elevated error rates on requests to some models
A record of the Anthropic incident on May 15, 2026 (Japan time): start time, duration and severity, plus current status, what to do, and alternatives.
Started
May 15, 2026, 09:18 AM
Resolved
May 15, 2026, 10:46 AM
Duration
1h 28m
Impact
Partial outage
Current status
Anthropic is operating normally now. This incident has been resolved.
See current Anthropic status →What you can do during an outage
Source: Anthropic's official status page.
Other Anthropic incidents
- Service disruption on Claude servicesJuly 22, 2026
- Elevated errors on several modelsJuly 22, 2026
- Elevated errors on Haiku 4.5July 21, 2026
- Elevated errors across Fable 5July 21, 2026
- Elevated errors across modelsJuly 21, 2026