Major outageAnthropic ・ July 21, 2026

Elevated errors on several models

A record of the Anthropic incident on July 21, 2026 (UTC): start time, duration and severity, plus current status, what to do, and alternatives.

Started
Jul 21, 2026, 03:35 PM UTC
Resolved
Jul 21, 2026, 06:18 PM UTC
Duration
2h 44m
Impact
Major outage

Other providers down at the same time

2 other incident(s) at different providers overlapped with this one. It may not have been limited to a single service — several providers were degraded at once.

Derived from our own archive of official status pages across 13 providers. Items lasting more than 24 hours and unresolved items are excluded, as they would misrepresent the moment.

How big was this outage?

This outage lasted 164 minutes. Across 66 major incidents recorded for Anthropic, the median duration is 78 minutes, making this the 17th longest.

Longer than a typical outage.

Only incidents recorded as major-or-worse and already resolved are counted.

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. Elevated errors for Claude Fable 5 and Claude Fable 5.1October 24, 2026
  2. Elevated errors for Claude Opus 5.5October 24, 2026
  3. Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5October 23, 2026
  4. Elevated errors affecting ConnectorsOctober 22, 2026
  5. Degraded performance for Claude Fable 5October 21, 2026