Is Claude down? Claude (Anthropic) status right now

Last 24 hours

API response time (24h)

Claude reliability, last 50 days

Over the last 50 days ModelBank measured 99.98% uptime for Claude (99.96% over the last 30 days); 1 day had failed checks. A further 14.2% of checks were “degraded” — the service answered, but the vendor had posted a minor incident, a single model was failing or responses were slow — and are not counted as downtime. The worst day was 2026-10-23, with 8 failed checks out of 648 (98.77% that day). In the same period the official status page posted 47 incidents (13 in the last 30 days), 25 of them major or critical; the median time from posting to resolution was about 1 h. The most recent official incident was “Elevated errors on Fable 52 and Mythos 52” on 2026-11-10. The current status has held since 3d ago.

Recent major incidents:

• 2026-10-27 — Elevated errors for Claude Sonnet 5.5 (41 min)
• 2026-10-25 — Elevated errors for Claude Fable 5.1 (32 min)
• 2026-10-25 — Elevated errors for Claude Sonnet 5.5 and other models (1.7 h)
• 2026-10-24 — Elevated errors for Claude Fable 5 and Claude Fable 5.1 (37 min)
• 2026-10-24 — Elevated errors for Claude Opus 5.5 (6 min)

90-day uptime history

Incident history Outage calendar →