Claude (Anthropic)
Outage

Claude outage on October 23, 2026: what happened and how long it lasted

On October 23, 2026, Claude (Anthropic) had an outage between 23:37 and 00:12 UTC, about 35 min in total. The vendor posted 1 incident.

Live status

Timeline (UTC)

  1. OfficialOfficial incident posted: Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5
  2. MeasuredModelBank probes detect an outage
  3. OfficialOfficially resolved: Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5
  4. MeasuredProbes back to normal (lasted 34 min)

Hourly measurements (UTC)

00:0012:0023:00

Also affected that day: Grok

Was Claude down on October 23, 2026?

On October 23, 2026, Claude (Anthropic) had an outage between 23:37 and 00:12 UTC, about 35 min in total. The vendor posted 1 incident.

Is Claude working now?

Live status: modelbank.ai/status/claude. We test it every 2 minutes.

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