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Cursor: Elevated errors for Anthropic Models

Impact: majorStatus: resolvedStarted Resolved (2.3 h)3 updatesSource: stspg.io (opens in new tab)
Summary

Cursor reported a major incident affecting Automations, CLI, Cloud Agents, and IDE from 2026-09-03 14:17 UTC to 2026-09-03 16:31 UTC (2 h 14 min). An upstream Anthropic issue caused elevated errors or failed Agent turns for Fable 5.1, Fable 5, Opus 5, Opus 4.8, and Opus 4.6 requests; service was restored.

Machine-written from the archived incident (Sol). Check the timeline before relying on it.

Affected components: AutomationsCloud AgentsIDECLI

Timeline of updates

  1. investigating

    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.

  2. investigating

    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.

  3. resolved

    Elevated errors affecting Anthropic models have been resolved. Service has been restored.

Rewindex changes for this incident

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). Cursor profile · Recent Cursor incidents · Markdown · JSON