Claude AI suffers major outage as thousands report login failures and chat errors worldwide
Anthropic's Claude AI chatbot experienced a significant service disruption on April 6, 2026, with over 3,000 users reporting issues on Downdetector. The outage affected multiple platforms including web, mobile, desktop, and Claude Code, with users encountering login failures, API Error 401 messages, and chat completion problems. Anthropic acknowledged the issue and is actively working on a fix.