Major AI Platforms Hit by Simultaneous Outages Before Services Are Restored
Summary
Every major AI platform — ChatGPT, Claude, Gemini, Copilot, and Grok — goes dark simultaneously on September 3, 2026, leaving thousands of users without access before all services are restored, with the mysterious cause of the unprecedented, coordinated outages still unknown.
Key Points
- Major AI platforms including ChatGPT, Claude, Gemini, Copilot, and Grok are simultaneously experiencing widespread outages on Thursday, September 3, 2026, with thousands of users reporting issues starting around 11 a.m. ET.
- All affected services are now restored, with Anthropic confirming Claude came back online at 16:16 UTC following an infrastructure issue that impacted Claude.ai, Claude Code, Claude Cowork, and the Claude API.
- The cause of the simultaneous outages across multiple competing AI providers remains unknown, making this incident highly unusual as such widespread, concurrent disruptions rarely occur.