Claude (Anthropic) outage, 21 October 2026
Degraded performance for Claude Fable 5
- Started
- Resolved
- 21 Oct 2026, 20:29 UTC (after 40 min)
- Impact
- Minor
- Affected
- claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
Is this still happening?
No. Claude (Anthropic) marked this incident resolved on 21 Oct 2026, 20:29 UTC, 40 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 other Claude models has been resolved.
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.
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-
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Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1