Changes / Claude / Elevated errors across many models
Claude: Major incident: Elevated errors across many models
Summary
Claude reported a major incident affecting claude.ai, Claude API (api.anthropic.com), Claude Code and Claude Cowork: some users had login issues, including via 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; success rates had recovered by 21:04 UTC.
Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.
What changed
Before: not present
After: Elevated errors across many models
Before: not present
After: major
Before: not present
After: resolved
Before: not present
After: 2026-08-04 20:48 UTC
Before: not present
After: 2026-08-04 21:59 UTC
Before: not present
After: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork
Before: not present
After: We are currently investigating this issue.
Before: not present
After: 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.
Before: not present
After: This issue has been resolved.
First version of this incident archived by Rewindex. View the live incident (opens in new tab).
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: Elevated errors across many models (this change) Claude reported a major incident affecting claude.ai, Claude API (api.anthropic.com), Claude Code and Claude Cowork: some users had login issues, including via 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; success rates had recovered by 21:04 UTC. | Major incident |