Claude (Anthropic) outage, 23 October 2026

Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5

Started
Resolved
24 Oct 2026, 00:11 UTC (after 34 min)
Impact
Critical
Affected
claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Is this still happening?

No. Claude (Anthropic) marked this incident resolved on 24 Oct 2026, 00:11 UTC, 34 min after it began.

Right now: Claude (Anthropic) reports all systems operational. (as of 26 Oct, 03:47 UTC) Live Claude (Anthropic) status

Last update from Claude (Anthropic)

The issue affecting Claude models has been resolved. Impact occurred from 16:28 PT / 23:28 UTC on October 23 to 16:59 PT / 23:59 UTC on October 23.

24 Oct 2026, 00:11 UTC

Read the full incident on the official Claude (Anthropic) status page

Similar Claude (Anthropic) incidents

Earlier incidents with the same affected part or wording - useful to see how long this kind of problem usually takes.

  1. , resolved after 32 min

    Elevated errors for Claude Fable 5.1

  2. , resolved after 1 h 39 min

    Elevated errors for Claude Sonnet 5.5 and other models

  3. , resolved after 37 min

    Elevated errors for Claude Fable 5 and Claude Fable 5.1

  4. , resolved after 16 min

    Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1

  5. , resolved after 1 h 26 min

    Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1

Other recent Claude (Anthropic) incidents

  1. Elevated errors for Claude Opus 5.5

  2. Elevated errors affecting Connectors

  3. Degraded performance for Claude Fable 5

  4. Issue with spend limits

  5. Elevated errors on platform.claude.com

  6. Elevated errors loading usage data on platform.claude.com

  7. Elevated errors for Claude Opus 5.5

  8. Delayed credits on the Claude Platform

All recorded Claude (Anthropic) incidents