# Anthropic: Degraded outputs quality from Haiku 4.5

> Anthropic status incident “Degraded outputs quality from Haiku 4.5” on 2025-11-04: impact minor (vendor’s label), 20 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/anthropic/incidents/4k5y2v7rx9hb
Last updated: 2025-11-05T17:41:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2025-11-04 22:09 UTC · Resolved: 2025-11-05 17:41 UTC · Duration: 20 h
- Updates: 1
- [Vendor status page: https://status.anthropic.com/incidents/4k5y2v7rx9hb](https://status.anthropic.com/incidents/4k5y2v7rx9hb)
- [Company: Anthropic](https://rewindex.com/company/anthropic.md)

## Timeline of updates

- **resolved** 2025-11-05 17:41 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 2025-11-04 22:09 UTC, resolved after 20 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/anthropic/incidents/4k5y2v7rx9hb
- Citation: Anthropic, “Degraded outputs quality from Haiku 4.5” (2025-11-04 22:09 UTC). Archived by Rewindex: https://rewindex.com/company/anthropic/incidents/4k5y2v7rx9hb (CC BY 4.0).
- Markdown link: `[Anthropic: Degraded outputs quality from Haiku 4.5 (2025-11-04)](https://rewindex.com/company/anthropic/incidents/4k5y2v7rx9hb)`


---
Canonical: https://rewindex.com/company/anthropic/incidents/4k5y2v7rx9hb · Markdown: https://rewindex.com/company/anthropic/incidents/4k5y2v7rx9hb.md · JSON: https://rewindex.com/api/v1/companies/anthropic/incidents/4k5y2v7rx9hb · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T17:11:27.262Z