Major artificial intelligence platforms including ChatGPT, Claude and Grok experienced widespread service disruptions on Thursday, September 3, 2026, leaving users unable to access some of the most widely used AI tools. The outages affected multiple services and came at a particularly notable time, as speculation surrounding OpenAI's next-generation AI model, reportedly codenamed Astra, intensified.
OpenAI confirmed that ChatGPT and Codex were experiencing elevated error rates. Its status page showed the incident as an ongoing issue affecting ChatGPT and Codex, while users reported problems across the web, mobile and desktop versions of the service.