# Anthropic: Elevated errors for Claude Fable 5 and Claude Fable 5.1

- Impact (vendor’s label): major
- Status: resolved · edited after publishing
- Started: 2026-10-24 05:16 UTC · Resolved: 2026-10-24 05:53 UTC · Duration: 37 min
- Updates: 5 · Affected components: claude.ai, Claude API - api.anthropic.com, Claude Code, Claude Cowork
- [Vendor status page: https://status.claude.com/incidents/0ns5clsk8p2x](https://status.claude.com/incidents/0ns5clsk8p2x)
- [Company: Anthropic](https://rewindex.com/company/anthropic.md)

## Summary

Anthropic reported a major incident involving elevated errors on requests to other Claude models across claude.ai, Claude API - api.anthropic.com, Claude Code, and Claude Cowork, starting 2026-10-24 05:16 UTC. It was still open when archived, open for 0 min at the last update; investigation was ongoing, with no cause or fix stated. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2026-10-24 05:16 UTC: We are investigating elevated errors on requests to other Claude models. We will provide an update as soon as possible.
- **identified** 2026-10-24 05:24 UTC: We have identified the cause of elevated errors on requests to other Claude models and are working on a fix. We will provide an update as soon as possible.
- **identified** 2026-10-24 05:40 UTC: We have identified the cause of elevated errors on requests to other Claude models and are working on a fix. We will provide an update as soon as possible.
- **monitoring** 2026-10-24 05:41 UTC: A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.
- **resolved** 2026-10-24 05:53 UTC: The issue affecting Claude services has been resolved. Impact occurred from 22:00 PT on October 23 / 05:00 UTC on October 24 to 22:35 PT on October 23 / 05:35 UTC on October 24.

## Rewindex changes for this incident

- 2026-10-24 05:16 UTC: [Major incident: Elevated errors for other Claude models](https://rewindex.com/change/i6e5efa553cb0f9.md)
- 2026-10-24 05:33 UTC: [Incident updated: Elevated errors for other Claude models](https://rewindex.com/change/r9dcd121eba7612.md)
- 2026-10-24 05:43 UTC: [Incident updated: Elevated errors for Claude Fable 5 and Claude Fable 5.1](https://rewindex.com/change/r17993beadbe9ed.md)
- 2026-10-24 06:03 UTC: [Incident updated: Elevated errors for Claude Fable 5 and Claude Fable 5.1](https://rewindex.com/change/r4af88487ef0ea5.md)


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Canonical: https://rewindex.com/company/anthropic/incidents/0ns5clsk8p2x · Markdown: https://rewindex.com/company/anthropic/incidents/0ns5clsk8p2x.md · JSON: https://rewindex.com/api/v1/companies/anthropic/incidents/0ns5clsk8p2x · Generated 2026-10-24T11:07:48.507Z