Outage report · Partial outage
Claude outage on Sep 29, 2026
Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API
What happened
Claude reported a partial outage starting Sep 29, 2026, 14:21 UTC, affecting claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code, Claude Cowork. It was marked resolved at Sep 29, 2026, 16:27 UTC.
- The incident lasted 2h 6m from first report to resolution.
- It was the 3rd longest of 5 significant outages Claude reported in the 12 months up to it.
- Claude had reported 11 other partial or major outages in the 90 days before it.
- 8 other vendors we track reported a significant incident within 12 hours of it.
Latest update from Claude
The issue affecting Claude.ai, the Claude desktop and mobile apps, Claude Code, Claude Cowork, and the Claude API has been resolved, and services have been operating normally since recovery. Impact occurred from 07:00 PT / 14:00 UTC to 07:59 PT / 14:59 UTC.
What our independent monitoring saw
Our independent monitoring of Claude started after this incident, so this report is based on Claude's status page.
Other outages around the same time
Significant incidents other vendors reported within 12 hours of this one.
Claude's overall reliability
Claude has a reliability score of 57.0/100, with 99.25% effective uptime and 39 incidents over the last 90 days.
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