# Claude: Elevated errors for multiple models

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-08-24 05:06 UTC · Resolved: 2026-08-24 08:30 UTC · Duration: 3.4 h
- Updates: 5 · Affected components: Claude Cowork, Claude API (api.anthropic.com), claude.ai, Claude Code
- [Vendor status page: https://stspg.io/5kzdprb1xsbx](https://stspg.io/5kzdprb1xsbx)
- [Company: Claude](https://rewindex.com/company/claude.md)

## Summary

Claude reported a major incident involving elevated errors across claude.ai, Claude API (api.anthropic.com), Claude Code and Claude Cowork, affecting Claude Mythos 5, Claude Fable 5, Claude Opus 5 and Claude Opus 4.8. It started 2026-08-24 05:06 UTC and was resolved 2026-08-24 08:30 UTC, lasting 3 h 24 min. _(machine-written, sol)_
## Discussed on Hacker News

- [Anthropic Claude and API service outages](https://news.ycombinator.com/item?id=49415907): 77 points, 61 comments, posted 2026-08-24 06:32 UTC, posted 86 min after the vendor’s first update

## Timeline of updates

- **investigating** 2026-08-24 05:06 UTC: We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, and Claude Opus 4.8. We will provide an update as soon as possible.
- **identified** 2026-08-24 05:27 UTC: We have identified the cause of elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, and other Claude models and are working on a fix. We will provide an update as soon as possible.
- **identified** 2026-08-24 06:42 UTC: We are continuing to work to resolve issues causing elevated requests on multiple models. We will provide an update as soon as possible.
- **identified** 2026-08-24 07:47 UTC: At this time, we have seen errors stabilize on Opus 5 and Fable 5, and are working to fully resolve success rates on all affected models. We will provide an update as soon as possible.
- **resolved** 2026-08-24 08:30 UTC: This issue has been resolved. From 9:50pm PT / 04:50 UTC through 00:36am PT / 07:36 UTC, users saw elevated errors on requests to Claude models, including Claude Opus 5 and Fable 5.

## Rewindex changes for this incident

- 2026-08-24 05:06 UTC: [Major incident: Elevated errors for multiple models](https://rewindex.com/change/ibea87dc22b5962.md)


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Canonical: https://rewindex.com/company/claude/incidents/vgz5psbjmt1h · Markdown: https://rewindex.com/company/claude/incidents/vgz5psbjmt1h.md · JSON: https://rewindex.com/api/v1/companies/claude/incidents/vgz5psbjmt1h · Generated 2026-10-18T10:39:37.353Z