Major AI Models Suffer Rare Simultaneous Outages: ChatGPT, Claude, Grok, and Gemini All Go Down
On September 3, four leading AI platforms—ChatGPT, Claude, Grok, and Gemini—experienced rare overlapping service interruptions within hours. OpenAI blamed a routing error, while xAI pointed to issues at its Memphis compute center. The simultaneous failures raised questions about shared infrastructure vulnerabilities in the AI industry.