Outage in Claude
Elevated errors across many models
Resolved MajorIncident Report
Summary AI Generated
**Claude – Elevated Errors Across Many Models | August 4, 2026 | ~1.2 hours** Claude.ai and the Anthropic API experienced elevated errors affecting OAuth-based logins for Claude.ai and Claude Code, as well as failed model requests. Success rates recovered during the investigation period, and the incident was fully resolved within approximately 1.2 hours.
We are currently investigating this issue.
Components affected
Claude claude.ai Claude api.anthropic.comLatest Updates ( sorted recent to last )
RESOLVED
about 19 hours ago - at 08/04/2026 09:59PM
This issue has been resolved.
INVESTIGATING
about 20 hours ago - at 08/04/2026 09:04PM
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.
INVESTIGATING
about 21 hours ago - at 08/04/2026 08:48PM
We are currently investigating this issue.
Latest Claude outages
Degraded performance for Claude Opus 5 - about 3 hours ago
Degraded performance of multiple models - about 10 hours ago
Elevated errors on Claude Sonnet 5 - 1 day ago
Elevated errors on Claude Sonnet 5 - 1 day ago
Degraded performance on Claude Sonnet 5 - 2 days ago
The Status Page Aggregator with Early Outage Detection
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
