# Claude: Elevated errors on Claude 4 Sonnet

- Impact (vendor’s label): major
- Status: resolved
- Started: 2025-07-25 07:11 UTC · Resolved: 2025-07-25 16:37 UTC · Duration: 9.4 h
- Updates: 1
- [Vendor status page: https://status.claude.com/incidents/byhrswvrg2w3](https://status.claude.com/incidents/byhrswvrg2w3)
- [Company: Claude](https://rewindex.com/company/claude.md)

## Timeline of updates

- **resolved** 2025-07-25 16:37 UTC: We've had several spikes of incidents and we have mitigated them. The last two ones being: \* between 5:47 PT / 12:47 UTC and 6:23 PT / 13:23 UTC \* a period of medium level of errors \* between 7:28 PT / 14:28 UTC and 8:35 PT / 15:35 UTC The issue has been fully mitigated.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._


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Canonical: https://rewindex.com/company/claude/incidents/byhrswvrg2w3 · Markdown: https://rewindex.com/company/claude/incidents/byhrswvrg2w3.md · JSON: https://rewindex.com/api/v1/companies/claude/incidents/byhrswvrg2w3 · Generated 2026-10-18T11:44:13.844Z