# Anthropic: Elevated errors across many models

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-08-04 20:48 UTC · Resolved: 2026-08-04 21:59 UTC · Duration: 1.2 h
- Updates: 3 · Affected components: Claude Cowork, Claude API (api.anthropic.com), claude.ai, Claude Code
- [Vendor status page: https://stspg.io/j5npxk25yrp3](https://stspg.io/j5npxk25yrp3)
- [Company: Anthropic](https://rewindex.com/company/anthropic.md)

## Summary

Anthropic reported a major incident affecting claude.ai, Claude API (api.anthropic.com), Claude Code and Claude Cowork: some users had login issues, including OAuth, and model request errors. It started at 2026-08-04 20:48 UTC and was resolved at 2026-08-04 21:59 UTC, lasting 1 h 11 min; no specific cause or fix was stated. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2026-08-04 20:48 UTC: We are currently investigating this issue.
- **investigating** 2026-08-04 21:04 UTC: We have identified an issue which resulted in some users experiencing issues when attempting to log into Anthropic services, including Claude.ai and Claude Code via oAuth. Additionally, some users saw errors when making requests to models. At this time, we have seen success rates recover and are monitoring closely to ensure there are no further issues.
- **resolved** 2026-08-04 21:59 UTC: This issue has been resolved.

## Rewindex changes for this incident

- 2026-08-04 20:48 UTC: [Major incident: Elevated errors across many models](https://rewindex.com/change/i52730cc630dbe3.md)


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Canonical: https://rewindex.com/company/anthropic/incidents/bdr3fq2rkchr · Markdown: https://rewindex.com/company/anthropic/incidents/bdr3fq2rkchr.md · JSON: https://rewindex.com/api/v1/companies/anthropic/incidents/bdr3fq2rkchr · Generated 2026-10-18T12:34:40.040Z