503RADARINCIDENT ARCHIVEMETHODOLOGY
RESOLVED

Anthropic outage — August 5, 2026

Degraded performance for Claude Opus 5

Anthropic’s Claude.ai was disrupted for 7h 46m on August 5, 2026.

Key facts

DetectedAugust 5, 2026 · 07:08 UTC
Confirmed07:08 UTC
Resolved14:54 UTC
Duration7h 46m
ServiceClaude.ai
Official recordhttps://stspg.io/m7w8kkf4tlqg

Timeline

  1. 07:08Z

    Detected · Official

    Reported directly on ANTHROPIC's official status page — no earlier independent (crowd / dependency / measurement) signal.
  2. 14:54Z

    Resolved

    Signal volume fell back below the threshold; the event was closed.

How this was detected

Confirmed by ANTHROPIC's official status page — no independent (crowd / dependency / measurement) corroboration.