Incident archive

Claude outage August 12, 2026

Degraded performance for multiple models

Claude claude.ai was degraded for 4 h 17 min on August 12, 2026.

Claude recorded a minor-impact incident affecting claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork on August 12, 2026. It ran for 4 h 17 min — 3.8× the archive median of 1 h 7 min.

Started
August 12, 2026, 13:50 UTC
Resolved
August 12, 2026, 18:07 UTC
Duration
4 h 17 min
Impact
Minor

What was affected?

How long did it last?

  1. August 12, 2026, 13:50 UTCinvestigatingT+0
  2. August 12, 2026, 16:10 UTCidentifiedT+2 h 20 min
  3. August 12, 2026, 17:28 UTCidentifiedT+3 h 38 min
  4. August 12, 2026, 18:07 UTCresolvedT+4 h 17 min

Has this happened before?

This was incident 8 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 36 other recorded incidents in the 30 days before this one started. The previous incident touching claude.ai started on August 5, 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 .