Claude outage July 27, 2026
Elevated errors on Claude Opus 5
Claude claude.ai was degraded for 1 h 3 min on July 27, 2026.
Claude recorded a minor-impact incident affecting claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork on July 27, 2026. It ran for 1 h 3 min — 4 min shorter than the archive median of 1 h 7 min.
- Started
- July 27, 2026, 11:27 UTC
- Resolved
- July 27, 2026, 12:30 UTC
- Duration
- 1 h 3 min
- Impact
- Minor
What was affected?
How long did it last?
- July 27, 2026, 11:27 UTCinvestigatingT+0
- July 27, 2026, 12:30 UTCresolvedT+1 h 3 min
Has this happened before?
This was incident 33 of 38 recorded in July 2026, totalling 113 h of reported disruption across all Claude components that month. claude.ai was affected by 25 other recorded incidents in the 30 days before this one started. The previous incident touching claude.ai started on July 27, 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 .