Simultaneous Outage Hits Major AI Services: ChatGPT, Claude, and Grok Impacted
September 3, 2026
OpenAI advised users to monitor the official status page for updates and noted that incident details can evolve during outages.
Users were encouraged to check Downdetector and each service’s status page for real-time updates, as trackers often surface outages before official notices.
OpenAI stated it was addressing the issue and monitoring recovery, while the exact cause had not yet been officially determined.
Recovery efforts shifted from investigation to mitigation and monitoring, though detailed technical causes or total affected accounts were not disclosed.
Providers increased infrastructure resources and outlined plans to compensate affected subscribers as service restoration progressed.
A coordinated outage hit several leading AI services simultaneously, with users reporting problems across platforms including OpenAI's ChatGPT, Anthropic's Claude, and xAI's Grok.
OpenAI reported elevated error rates for ChatGPT and Codex due to a routing issue that began in the morning Pacific Time; a fix was deployed within about 34 minutes, though another period of elevated errors followed before there was a full recovery.
Anthropic said Claude, Claude Code, and the Claude API experienced disruptions tied to an infrastructure issue, with the outage resolving in the early afternoon.
The story is being treated as developing, with updates anticipated as companies confirm causes and restoration timelines.
Readers are offered resilience guidance, such as saving prompts locally and retrying after status updates indicate recovery.
An editorial note explains The News Digital’s broader coverage approach, without detailing the outage itself.
No permanent product changes were announced; the disruption was characterized as temporary and multi-service, with gradual return to normal operations.
Summary based on 26 sources
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Sources

Ars Technica • Sep 3, 2026
Four major AI models suffer rare overlapping downtime
New York Post • Sep 3, 2026
ChatGPT, Claude and Gemini are all down as thousands of users experience outages
Slashdot • Sep 3, 2026
Four Major AI Models Suffer Rare Overlapping Downtime - Slashdot