Outage in Anthropic
Elevated errors on Claude Code and Claude Cowork
Resolved MajorIncident Report
Summary AI Generated
An upstream cloud provider issue caused elevated errors on Claude Code and Claude Cowork for approximately 3 hours, causing sessions to fail to start or disconnect mid-task. A mitigation was applied roughly an hour into the incident, after which affected sessions could be retried. The issue was fully resolved within 3 hours of being identified.
We have identified an issue with an upstream cloud provider affecting Claude Cowork and Claude Code on the web. Some sessions may fail to start or disconnect mid-task; affected sessions can be retried. We are in contact with the provider and will provide an update as soon as possible.
Trusted by 1,000+ teams
The Status Page Aggregator with Early Outage Detection
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Latest Updates ( sorted recent to last )
RESOLVED
2 days ago - at 08/28/2026 08:21PM
The issue affecting Claude Cowork and Claude Code on the web has been resolved.
MONITORING
3 days ago - at 08/28/2026 06:21PM
A mitigation has been applied for the issue affecting Claude Cowork and Claude Code on the web, and we are monitoring for recovery. Sessions that disconnected earlier can be retried
IDENTIFIED
3 days ago - at 08/28/2026 05:22PM
We have identified an issue with an upstream cloud provider affecting Claude Cowork and Claude Code on the web. Some sessions may fail to start or disconnect mid-task; affected sessions can be retried. We are in contact with the provider and will provide an update as soon as possible.
Latest Anthropic outages
Issues logging into Claude.ai - 6 days ago
Errors logging into Claude.ai - 7 days ago
Elevated errors for multiple models - 7 days ago
Elevated errors on requests to multiple models - 10 days ago
Elevated errors on Google connectors - 10 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
