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Originally published by Capital Businessbusiness
September 4, 2026
2h ago
Major U.S. AI platforms hit by near-simultaneous outages

OpenAI also reported elevated error rates affecting ChatGPT and its AI coding tool Codex. A routing error beginning at around 7:43 a.m. Pacific Time (1443 GMT) prevented some users from accessing ChatGPT and Codex across multiple platforms, and a fix was implemented at around 8:1..
✨ Key Highlights
Major U.S. AI platforms, including ChatGPT, Claude, and Grok, experienced near-simultaneous outages on Thursday, disrupting services for users before they were restored over several hours.
- Outages affected services from OpenAI, Anthropic, and SpaceXAI.
- The disruptions occurred around Thursday morning Pacific Time.
- Causes ranged from infrastructure issues to routing errors and a compute center outage in Memphis, Tennessee.
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