- Home
- Is it down?
- Claude
- Outage history
- 27 Oct 2026
Outage report
Claude outage on 27 Oct 2026
Claude's status page reported an outage on 27 Oct 2026 from 15:09 UTC to 15:50 UTC (40 min), while claude.ai kept answering our checks. The status page called it “Elevated errors for Claude Sonnet 5.5”.
- Started
- 27 Oct 2026, 15:09 UTC
- Ended
- 27 Oct 2026, 15:50 UTC
- Duration
- 41 min
- Seen by
- Claude’s status page
Email me when Claude goes down
One email when it looks down, one when it’s back. Free, no account: confirm by email, stop with one click.
//_01 Timeline
What happened, minute by minute
-
Claude's status page reported: Elevated errors for Claude Sonnet 5.5
-
Recovered: Anthropic (Claude) reports it's working again
//_02 Measurements
Our checks and visitors’ reports around it
Response time
Visitors’ problem reports
No visitor reported a problem with Claude around this outage.
Claude’s own account of incidents is on its status page: status.claude.com
Other Claude outages
Full outage historyKnow before your users ask.
Uptimecheck checks your own websites, APIs and cron jobs as often as every minute, confirms every failure from a second location and alerts you before your users start searching.
14-day free trial · Then free on 5 monitors · No credit card