Anthropic outage on July 21, 2026
Anthropic users likely saw failed connections, degraded availability, or session instability for this AI Tools service. The incident reached Major severity and lasted 2h 58m. The stored report window does not show a preserved user-report spike.
Jul 21, 18:03 UTC Resolved - This incident has been resolved. Jul 21, 17:51 UTC Monitoring - A fix has been implemented and we are monitoring the results. Jul 21, 17:47 UTC Update - We are continuing to work on a fix for this issue. Jul 21, 17:46 UTC Update - We are continuing to work on a fix for this issue. Jul 21, 17:41 UTC Update - We are continuing to work on a fix for this issue. Jul 21, 17:40 UTC Identified - We are investigating an outage affecting features such as document creation in claude.ai, Cowork Remote, Claude Code, Claude Code on the Web, Claude Tag, and Claude Design
Deterministic readout · awaiting AI summary pass
Incident detected
Major confidence crossed the incident threshold for Anthropic: service disruption on Claude services.
Marked resolved
The incident was closed after 3 min of observed impact.
Peak confidence reached
Confidence peaked at 80.00 while the service was marked Operational.
No per-source signal payloads were preserved in this incident's snapshot window.
Confidence scoring
80.00The incident reached 80.00 peak confidence across 150 stored status snapshots.
User reports
0 / 15mNo elevated user-report volume was preserved in the incident window snapshots.
Status samples
0 affectedThe incident row exists, but the bounded snapshot window does not include affected status samples.
Recovery signal
ResolvedRecovery was recorded at Tue, Jul 21, 2026, 09:02 PM UTC.