Partial outageAnthropic ・ June 18, 2026
Service disruption on Claude services
A record of the Anthropic incident on June 18, 2026 (Japan time): start time, duration and severity, plus current status, what to do, and alternatives.
Started
Jun 18, 2026, 04:41 PM
Resolved
Jun 18, 2026, 05:19 PM
Duration
38m
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
- Opus 4.8 errorsJune 21, 2026
- Elevated error rates on the Claude APIJune 19, 2026
- Elevated errors for Claude Opus 4.8June 19, 2026
- Elevated errors for Claude Opus 4.8June 18, 2026
- Elevated errors for Claude Opus 4.8June 17, 2026