Major incident
Anthropic (Claude): Elevated errors across many models
Aug 4, 2026, 20:48 UTC
started
21:59 UTC
resolved
1 h 11 min
duration
Current status of Anthropic (Claude): Operational — live Anthropic (Claude) status
Timeline
- Aug 4, 2026, 20:48 UTCinvestigatingWe are currently investigating this issue.
- Aug 4, 2026, 21:04 UTCinvestigatingWe have identified an issue which resulted in some users experiencing issues when attempting to log into Anthropic services, including Claude.ai and Claude Code via oAuth. Additionally, some users saw errors when making requests to models. At this time, we have seen success rates recover and are monitoring closely to ensure there are no further issues.
- Aug 4, 2026, 21:59 UTCresolvedThis issue has been resolved.
Updates as published by Anthropic (Claude) (original).
Other services with incidents at the same time
This was part of a wider event: 20 services reported incidents within the hour.
- LiveRamp External 21:44 UTC · Incident Resolved for Cleanroom - Habu API via Grafana
- Mural 21:01 UTC · Authentication Error for some SAML SSO users
- Box 20:23 UTC · [Medium] Issues with Uploads and Downloads
- Coveo Cloud 20:16 UTC · US - Generative Answering Issues
- Seismic Software 20:03 UTC · Slowness for tenants in the EAST4 region
- ITS Network & Systems 19:58 UTC · Webreg Service Degradation
More Anthropic (Claude) incidents
- October 25, 2026 Elevated errors for Claude Fable 5.1
- October 25, 2026 Elevated errors for Claude Sonnet 5.5 and other models
- October 24, 2026 Elevated errors for Claude Fable 5 and Claude Fable 5.1
- October 24, 2026 Elevated errors for Claude Opus 5.5
- October 23, 2026 Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5
- October 22, 2026 Elevated errors affecting Connectors