503RADARINCIDENT ARCHIVEMETHODOLOGY
LIVE · CONFIRMED

Anthropic outage — August 20, 2026

Elevated errors on requests to multiple models

Anthropic’s Claude.ai has a confirmed disruption, detected on August 20, 2026.

Key facts

DetectedAugust 20, 2026 · 18:38 UTC
Confirmed18:38 UTC
ServiceClaude.ai
Official recordhttps://stspg.io/w7yghz6hfr72

Timeline

  1. 18:38Z

    Detected · Official

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

How this was detected

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