Claude outage October 5, 2026
Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1
Claude claude.ai was down for 16 min on October 5, 2026.
Claude recorded a major-impact incident affecting claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork on October 5, 2026. It ran for 16 min — 51 min shorter than the archive median of 1 h 7 min.
- Started
- October 5, 2026, 13:05 UTC
- Resolved
- October 5, 2026, 13:21 UTC
- Duration
- 16 min
- Impact
- Major
What was affected?
How long did it last?
- October 5, 2026, 13:05 UTCinvestigatingT+0
- October 5, 2026, 13:21 UTCresolvedT+16 min
Has this happened before?
This was incident 2 of 16 recorded in October 2026, totalling 172 h 2 min of reported disruption across all Claude components that month. claude.ai was affected by 4 other recorded incidents in the 30 days before this one started. The previous incident touching claude.ai started on September 29, 2026. These comparisons are drawn from our archive, which starts on July 14, 2026. See the full outage history.
Summarized by Claude Network from Claude Status. Last verified .