Claude API outage history

From Anthropic's status page and people's reports here. See live status

Uptime

98.97% over the last 90 days
Last 24 hours100.00%
yesterdayNow
Last 90 days98.97%
Aug 11Today

November 2026

1 incident, 26 min in total
Nov 826 minDegraded performance for Claude Fable 5.1

October 2026

11 incidents, 12 h 21 min in total
Oct 2741 minElevated errors for Claude Sonnet 5.5
Oct 2742 minElevated errors for Claude Sonnet 5.5
Oct 2532 minElevated errors for Claude Fable 5.1
Oct 251 h 39 minElevated errors for Claude Sonnet 5.5 and other models
Oct 2437 minElevated errors for Claude Fable 5 and Claude Fable 5.1
Oct 246 minElevated errors for Claude Opus 5.5
Oct 2334 minElevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5
Oct 2140 minDegraded performance for Claude Fable 5
Oct 619 minElevated errors for Claude Opus 5.5
Oct 516 minElevated errors for Claude Mythos 5.1 and Claude Fable 5.1
Oct 16 h 16 minDelayed credits on the Claude Platform

September 2026

8 incidents, 10 h 51 min in total
Sep 292 h 6 minElevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API
Sep 221 h 38 minElevated errors for multiple models
Sep 151 h 26 minIntermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1
Sep 1117 minElevated errors for Claude Mythos 5.1 and Claude Fable 5.1
Sep 101 h 41 minElevated latency on the Claude API for some users
Sep 32 h 57 minElevated errors for multiple models
Sep 319 minElevated errors for Claude Sonnet 5
Sep 226 minElevated errors for Claude Sonnet 5

August 2026

11 incidents, 18 h 31 min in total
Aug 243 h 24 minElevated errors for multiple models
Aug 2026 minElevated errors on requests to multiple models
Aug 2029 minElevated errors on Google connectors
Aug 191 h 20 minDegraded performance for Claude Opus 5 and Claude Haiku 4.5
Aug 182 h 41 minDegraded performance for multiple models
Aug 171 h 33 minDegraded performance for Claude Opus 5, Claude Sonnet 5
Aug 1636 minService disruption on Claude services
Aug 141 h 28 minService disruption on Claude services
Aug 131 h 35 minElevated errors for Claude Mythos 5, Claude Fable 5, and Claude Sonnet 5
Aug 124 h 17 minDegraded performance for multiple models
Aug 543 minDegraded performance for Claude Opus 5

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