Claude outage August 13, 2026
Elevated errors for Claude Mythos 5, Claude Fable 5, and Claude Sonnet 5
Claude claude.ai was down for 1 h 35 min on August 13, 2026.
Claude recorded a major-impact incident affecting claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork on August 13, 2026. It ran for 1 h 35 min — 28 min longer than the archive median of 1 h 7 min.
- Started
- August 13, 2026, 14:33 UTC
- Resolved
- August 13, 2026, 16:08 UTC
- Duration
- 1 h 35 min
- Impact
- Major
What was affected?
How long did it last?
- August 13, 2026, 14:33 UTCinvestigatingT+0
- August 13, 2026, 15:44 UTCinvestigatingT+1 h 11 min
- August 13, 2026, 16:08 UTCresolvedT+1 h 35 min
Has this happened before?
This was incident 9 of 26 recorded in August 2026, totalling 38 h 15 min of reported disruption across all Claude components that month. claude.ai was affected by 37 other recorded incidents in the 30 days before this one started. The previous incident touching claude.ai started on August 12, 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 .