# Anthropic: Opus 4.6 and Sonnet 4.6 error rate elevated

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-03-31 19:41 UTC · Resolved: 2026-03-31 22:09 UTC · Duration: 2.5 h
- Updates: 1
- [Vendor status page: https://status.anthropic.com/incidents/65w1yxq40m3l](https://status.anthropic.com/incidents/65w1yxq40m3l)
- [Company: Anthropic](https://rewindex.com/company/anthropic.md)

## Timeline of updates

- **resolved** 2026-03-31 22:09 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._


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Canonical: https://rewindex.com/company/anthropic/incidents/65w1yxq40m3l · Markdown: https://rewindex.com/company/anthropic/incidents/65w1yxq40m3l.md · JSON: https://rewindex.com/api/v1/companies/anthropic/incidents/65w1yxq40m3l · Generated 2026-10-18T09:56:55.324Z