Anthropic's AI chatbot, Cloud, suddenly went down for many users. This outage coincided with the outage of several Microsoft services. Find out which Cloud services were affected.
Clawed Down
Cloud AI Outage: The world of AI is constantly witnessing new changes these days, but today, November 13, 2026, users faced a unique problem. Anthropic's AI assistant, Claude, suddenly stopped working for many users. Some were unable to log in to Cloud.ai or use Cloud Code.
This issue occurred at a time when many Microsoft services were already experiencing outages. This disruption to Cloud services further exacerbated user problems. The company acknowledged the technical glitch and stated that it was working to resolve the problem.
Claude's service encounters a technical glitch.
According to Anthropic, complaints of an increase in errors have been received on Cloud.ai , Cloud Code, and its developer platform, platform.claude.com. The company reported the issue. Anthropic stated that users on Cloud.ai and Cloud Code are experiencing login and authentication issues. The company released a fix to address the issue and is now monitoring the recovery of services, although the exact cause of the outage has not been revealed.
Cloud outage complaints suddenly increased on Downdetector.
The Cloud service outage was also reflected on Downdetector, a platform that tracks outages for various online services based on user complaints. Reports of Cloud AI outages began to rise sharply today. At around 3:45 p.m., the website recorded 2,895 complaints, compared to a typical number of just two.
Which services of Claude were affected?
According to Anthropic's status dashboard, the outage wasn't limited to Cloud's main chatbot. Cloud.ai was classified as a major outage, while Cloud Code and Cloud Console also experienced minor disruptions. Cloud Cowork's performance was also affected, although the company's Cloud API service appeared to be functioning normally.
Microsoft 365 connector issues continue.
Anthropic is also experiencing ongoing issues with its Microsoft 365 connector. Cloud mail, calendar, and search features are not working properly due to a Microsoft service outage. Cloud for Outlook is also affected. The company stated that it is working with Microsoft to resolve the issue.
