Is Cursor down? October 26 Claude Sonnet 5.5 errors resolved after 83 minutes
On October 26, 2026, the incident report on status.x.ai showed elevated errors for Claude Sonnet 5.5 in Cursor, with some failed or rate-limited responses. The timeline runs from 14:02 to 15:25 UTC, when the incident was resolved, about 83 minutes.
SessionWatcher editorial · Published · Updated · Source announcement: 2026-10-26
What happened and when
On October 26, 2026, the incident report on status.x.ai showed elevated errors affecting Claude Sonnet 5.5 requests in Cursor. The first update was posted at 14:02 UTC. The incident was marked resolved at 15:25 UTC, about 83 minutes later. The report rates the impact as minor.
Affected components listed were Automations, Cloud Agents, the CLI, Cursor IDE (Desktop) and Cursor IDE (iOS).
What users saw
At 14:02 UTC the report said some users may see failed or rate-limited responses when using Sonnet 5.5. At 14:36 UTC it reported improvement for Claude Sonnet 5.5 requests but said some users may still see occasional errors with the model. The 15:25 UTC update said the incident had been resolved.
Usage and billing
The status page does not mention any effect on usage, limits or billing, such as refunds or credits for failed or rate-limited requests during the incident.
AI assisted reporting, checked against the linked official sources. Source pages checked 2026-10-26. Editorial process and corrections.