# Anthropic: Elevated errors on Claude 4.1 Opus

> Anthropic status incident “Elevated errors on Claude 4.1 Opus” on 2025-09-04: impact minor (vendor’s label), 39 min, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/anthropic/incidents/y0fmbh82qhyp
Last updated: 2025-09-04T15:30:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2025-09-04 14:51 UTC · Resolved: 2025-09-04 15:30 UTC · Duration: 39 min
- Updates: 1
- [Vendor status page: https://status.anthropic.com/incidents/y0fmbh82qhyp](https://status.anthropic.com/incidents/y0fmbh82qhyp)
- [Company: Anthropic](https://rewindex.com/company/anthropic.md)

## Timeline of updates

- **resolved** 2025-09-04 15:30 UTC: As of 8:15 PT / 15:15 UTC the errors have returned 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 2025-09-04 14:51 UTC, resolved after 39 min, 1 update(s).

- Canonical URL: https://rewindex.com/company/anthropic/incidents/y0fmbh82qhyp
- Citation: Anthropic, “Elevated errors on Claude 4.1 Opus” (2025-09-04 14:51 UTC). Archived by Rewindex: https://rewindex.com/company/anthropic/incidents/y0fmbh82qhyp (CC BY 4.0).
- Markdown link: `[Anthropic: Elevated errors on Claude 4.1 Opus (2025-09-04)](https://rewindex.com/company/anthropic/incidents/y0fmbh82qhyp)`


---
Canonical: https://rewindex.com/company/anthropic/incidents/y0fmbh82qhyp · Markdown: https://rewindex.com/company/anthropic/incidents/y0fmbh82qhyp.md · JSON: https://rewindex.com/api/v1/companies/anthropic/incidents/y0fmbh82qhyp · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T13:45:30.377Z