# Anthropic: Elevated errors on Claude Sonnet 4.5

> Anthropic status incident “Elevated errors on Claude Sonnet 4.5” on 2026-02-01: impact minor (vendor’s label), 47 min, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/anthropic/incidents/9qghqkbxtvml
Last updated: 2026-02-01T12:34:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-02-01 11:47 UTC · Resolved: 2026-02-01 12:34 UTC · Duration: 47 min
- Updates: 1
- [Vendor status page: https://status.anthropic.com/incidents/9qghqkbxtvml](https://status.anthropic.com/incidents/9qghqkbxtvml)
- [Company: Anthropic](https://rewindex.com/company/anthropic.md)

## Timeline of updates

- **resolved** 2026-02-01 12:34 UTC: As of 2026-02-01 03:55 PT / 11:55 UTC the errors are back to the baseline.

_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 2026-02-01 11:47 UTC, resolved after 47 min, 1 update(s).

- Canonical URL: https://rewindex.com/company/anthropic/incidents/9qghqkbxtvml
- Citation: Anthropic, “Elevated errors on Claude Sonnet 4.5” (2026-02-01 11:47 UTC). Archived by Rewindex: https://rewindex.com/company/anthropic/incidents/9qghqkbxtvml (CC BY 4.0).
- Markdown link: `[Anthropic: Elevated errors on Claude Sonnet 4.5 (2026-02-01)](https://rewindex.com/company/anthropic/incidents/9qghqkbxtvml)`


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Canonical: https://rewindex.com/company/anthropic/incidents/9qghqkbxtvml · Markdown: https://rewindex.com/company/anthropic/incidents/9qghqkbxtvml.md · JSON: https://rewindex.com/api/v1/companies/anthropic/incidents/9qghqkbxtvml · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T15:17:44.323Z