Partial outageAnthropic ・ July 21, 2026
Elevated errors on Haiku 4.5
A record of the Anthropic incident on July 21, 2026 (Japan time): start time, duration and severity, plus current status, what to do, and alternatives.
Started
Jul 21, 2026, 10:04 PM
Resolved
Jul 22, 2026, 01:38 AM
Duration
3h 34m
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 across Fable 5July 21, 2026
- Elevated errors across modelsJuly 21, 2026
- Elevated errors on Haiku 4.5July 21, 2026