# Anthropic: Elevated error rates for Opus 4.5

> Anthropic status incident “Elevated error rates for Opus 4.5” on 2026-07-20: impact minor (vendor’s label), 5.8 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/anthropic/incidents/hlt0yqp4lkww
Last updated: 2026-07-20T12:48:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-07-20 07:03 UTC · Resolved: 2026-07-20 12:48 UTC · Duration: 5.8 h
- Updates: 1
- [Vendor status page: https://status.anthropic.com/incidents/hlt0yqp4lkww](https://status.anthropic.com/incidents/hlt0yqp4lkww)
- [Company: Anthropic](https://rewindex.com/company/anthropic.md)

## Timeline of updates

- **resolved** 2026-07-20 12:48 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 2026-07-20 07:03 UTC, resolved after 5.8 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/anthropic/incidents/hlt0yqp4lkww
- Citation: Anthropic, “Elevated error rates for Opus 4.5” (2026-07-20 07:03 UTC). Archived by Rewindex: https://rewindex.com/company/anthropic/incidents/hlt0yqp4lkww (CC BY 4.0).
- Markdown link: `[Anthropic: Elevated error rates for Opus 4.5 (2026-07-20)](https://rewindex.com/company/anthropic/incidents/hlt0yqp4lkww)`


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Canonical: https://rewindex.com/company/anthropic/incidents/hlt0yqp4lkww · Markdown: https://rewindex.com/company/anthropic/incidents/hlt0yqp4lkww.md · JSON: https://rewindex.com/api/v1/companies/anthropic/incidents/hlt0yqp4lkww · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T16:52:56.424Z