Claude (Anthropic) outage history
25 incidents from the official Claude (Anthropic) status page, the oldest from 24 August 2026.
October 2026 6
-
, resolved
-
, resolved after 6 days
Elevated errors on platform.claude.com
Impact: major
-
, resolved after 1 h 13 min
Elevated errors loading usage data on platform.claude.com
Impact: major
-
, resolved after 18 min
Elevated errors for Claude Opus 5.5
Impact: major
-
, resolved after 16 min
Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1
Impact: major
-
, resolved after 6 h 15 min
Delayed credits on the Claude Platform
Impact: minor
September 2026 13
-
, resolved after 2 h 5 min
Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API
Impact: major
-
, resolved after 1 h 37 min
Elevated errors for multiple models
Impact: major
-
, resolved after 33 min
-
, resolved after 1 h 26 min
Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1
Impact: major
-
, resolved after 17 min
Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1
Impact: major
-
, resolved after 1 h 40 min
Elevated latency on the Claude API for some users
Impact: minor
-
, resolved after 4 days
Degraded functionality for Claude Cowork on Windows
Impact: major
-
, resolved after 2 h 57 min
Elevated errors for multiple models
Impact: major
-
, resolved after 19 min
Elevated errors for Claude Sonnet 5
Impact: major
-
, resolved after 26 min
Elevated errors for Claude Sonnet 5
Impact: major
-
, resolved after 1 h 57 min
Impact: minor
-
, resolved after 1 h 1 min
Degraded performance on platform.claude.com and Claude for Microsoft Office 365
Impact: minor
-
, resolved after 20 min
Degraded performance on Claude for Microsoft Office 365
Impact: minor
August 2026 6
-
, resolved after 1 h 14 min
Degraded performance on claude.ai and Claude Code
Impact: minor
-
, resolved after 29 min
Degraded performance on claude.ai
Impact: minor
-
, resolved after 2 h 59 min
Elevated errors on Claude Code and Claude Cowork
Impact: major
-
, resolved after 15 min
Impact: minor
-
, resolved after 3 min
Impact: minor
-
, resolved after 3 h 24 min
Elevated errors for multiple models
Impact: major