# Anthropic: Elevated errors on Claude Sonnet 4.0

> Anthropic status incident “Elevated errors on Claude Sonnet 4.0” on 2025-09-10: impact minor (vendor’s label), 1.9 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/anthropic/incidents/tngyvdmbgyws
Last updated: 2025-09-10T09:25:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2025-09-10 07:32 UTC · Resolved: 2025-09-10 09:25 UTC · Duration: 1.9 h
- Updates: 1
- [Vendor status page: https://status.anthropic.com/incidents/tngyvdmbgyws](https://status.anthropic.com/incidents/tngyvdmbgyws)
- [Company: Anthropic](https://rewindex.com/company/anthropic.md)

## Timeline of updates

- **resolved** 2025-09-10 09:25 UTC: This incident has been resolved.

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

## Cite this

Status incident (vendor impact label: minor) posted by Anthropic, started 2025-09-10 07:32 UTC, resolved after 1.9 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/anthropic/incidents/tngyvdmbgyws
- Citation: Anthropic, “Elevated errors on Claude Sonnet 4.0” (2025-09-10 07:32 UTC). Archived by Rewindex: https://rewindex.com/company/anthropic/incidents/tngyvdmbgyws (CC BY 4.0).
- Markdown link: `[Anthropic: Elevated errors on Claude Sonnet 4.0 (2025-09-10)](https://rewindex.com/company/anthropic/incidents/tngyvdmbgyws)`


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Canonical: https://rewindex.com/company/anthropic/incidents/tngyvdmbgyws · Markdown: https://rewindex.com/company/anthropic/incidents/tngyvdmbgyws.md · JSON: https://rewindex.com/api/v1/companies/anthropic/incidents/tngyvdmbgyws · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:49:19.583Z