EventSeptember 3, 2026

ChatGPT, Claude, and Grok hit by simultaneous outages

OpenAI's ChatGPT, Anthropic's Claude, and xAI's Grok all experienced outages Thursday morning, disrupting users across platforms. OpenAI reported elevated errors affecting ChatGPT and Codex, with Downdetector complaints peaking around 38,000. Anthropic resolved its issues by 12:16 p.m. EST, and xAI was working to restore service.

How this story unfolded

10 days · 5 reports · 23 community posts · from Aug 24

  1. Aug 24
  2. Aug 31
  3. Sep 3

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