Outage in Cursor
Elevated errors for Anthropic Models
Resolved MajorIncident Report
Summary AI Generated
Cursor experienced a 2.3-hour major incident caused by an upstream Anthropic outage that elevated error rates across multiple models, including Fable 5.1, Fable 5, Opus 5, Opus 4.8, and Opus 4.6. Users encountered errors and failed Agent turns during this period. The issue was fully resolved once Anthropic restored service across all affected models.
An upstream Anthropic issue is causing elevated errors for Fable 5.1, Fable 5, Opus 5, Opus 4.8, and Opus 4.6 requests. Some users may experience errors or failed Agent turns. We're monitoring recovery and will provide updates.
Trusted by 1,000+ teams
The Status Page Aggregator with Early Outage Detection
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Latest Updates ( sorted recent to last )
RESOLVED
11 days ago - at 09/03/2026 04:31PM
Elevated errors affecting Anthropic models have been resolved. Service has been restored.
INVESTIGATING
11 days ago - at 09/03/2026 03:55PM
Anthropic reports recovery across most models. The affected models right now are Opus 4.8 and Opus 5. Please see https://status.claude.com/ for provider updates.
INVESTIGATING
11 days ago - at 09/03/2026 02:17PM
An upstream Anthropic issue is causing elevated errors for Fable 5.1, Fable 5, Opus 5, Opus 4.8, and Opus 4.6 requests. Some users may experience errors or failed Agent turns. We're monitoring recovery and will provide updates.
Latest Cursor outages
Investigating service degradation - 3 days ago
Grok Bot computers unreachable for some users - 6 days ago
Degraded performance for Grok Bot routine triggers - 10 days ago
Degraded performance of Grok 4.6 - 11 days ago
The Status Page Aggregator with Early Outage Detection
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
