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AnthropicOutage history and postmortems

No incident Minor Major CriticalDeeper colour: longer outage
Incidents, 90 days
94
Major or critical
31
Implied uptime
97.4%
Longest outage
4d 3h

Downtime, added up

AI median
2d 9h

Anthropic: 2d 9h weighted downtime in range, category median 7h 38m.

94 incidents, 9d 17h of incident time (6d 2h major or critical, 3d 14h partial) between Jun 27, 2026 and Sep 24, 2026.

Anthropic, PBC is an American artificial intelligence (AI) public benefit corporation headquartered in San Francisco, California. Its flagship product is Claude, a series of proprietary large language models (LLMs).

Anthropic incidents

400 on file

Questions

Is Anthropic down right now?

Check Anthropic's own status page at https://status.claude.com for the live state. This page shows Anthropic's incident history from that page; the most recent incident started 2026-09-22: "Elevated errors for multiple models".

How often does Anthropic have outages?

Anthropic posted 94 incidents in the last 90 days and 400 in the last year, 31 of them major or critical in the last 90 days. The median incident lasted 1h.

When was Anthropic's last major outage?

2026-09-22: "Elevated errors for multiple models", lasting 1h 38m.

What usually causes Anthropic incidents?

Anthropic's status updates in this period do not name a root cause.

From vendors' own status pages and disclosures. Times as reported. Logos via logo.dev; trademarks belong to their owners.

Weekly: the week's major outages, postmortems and breaches, Saturday mornings.