Claude down: Anthropic resolves outage affecting login, voice and chat

On Monday, April 6, 2026, Anthropic's Claude AI service experienced a notable outage. Users worldwide encountered errors when attempting to log in, use Voice Mode, and access regular chat functionality.

Anthropic acknowledged the issues on its status pages and confirmed teams were working to restore the service. By the evening of the same day, a fix had been deployed and services were recovering.

The outage occurred during a period of elevated load on Anthropic's infrastructure, particularly following the company's recent billing changes for third-party tools. Many users and businesses rely on Claude for daily work, making the downtime disruptive.

Anthropic has not disclosed the exact cause of the incident, but confirmed that user data was not affected. The event underscores the growing dependence on AI services in the workplace and the need for robust infrastructure at scale.

While service disruptions for Claude are not unprecedented, this outage was among the more significant ones reported for the platform.