Partial outageAnthropicJune 17, 2026

Elevated errors for Claude Opus 4.8

A record of the Anthropic incident on June 17, 2026 (Japan time): start time, duration and severity, plus current status, what to do, and alternatives.

Started
Jun 17, 2026, 05:50 AM
Resolved
Jun 17, 2026, 07:02 AM
Duration
1h 13m
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

  1. Opus 4.8 errorsJune 21, 2026
  2. Elevated error rates on the Claude APIJune 19, 2026
  3. Elevated errors for Claude Opus 4.8June 19, 2026
  4. Service disruption on Claude servicesJune 18, 2026
  5. Elevated errors for Claude Opus 4.8June 18, 2026