The Verge
ChatGPT, Grok, and Claude all went down at the same time
Thursday, September 3, 2026
OpenAI's ChatGPT, xAI's Grok, and Anthropic's Claude experienced service disruptions around 11 a.m. ET. ChatGPT's status page reported elevated errors affecting the chatbot and Codex. Claude users began reporting problems at approximately the same time. Anthropic's status page provided details on the outage affecting its service.