Major AI Outage: Grok, Claude Are Down. ChatGPT, Gemini Back Up
Four major AI models are experiencing simultaneous downtime, affecting users worldwide.
Evidence dossier
Intelligence passport
Measured timeline
- Detected The first matching coverage entered the Archynetys cluster.
- Latest coverage observed Most recent article currently attached to this story cluster.
- Peak measured velocity The recorded velocity reached 14.
- Evidence threshold reached The story had enough independent coverage for an explanatory brief.
Source diversity sample: Yahoo Finance UK · Ars Technica · GV Wire · Yahoo Finance · PCMag.
How this dossier is built: methodology · AI policy · corrections.
The coverage curve
How fast coverage is spreading — measured hourly from article rate × source diversity. How this works →
🌍 Language by language
This story first appeared in 🇮🇹 Italian coverage — 3.5 hours before Archynetys detected it in English news.
Detected by matching proper nouns and figures that survive translation. Times reflect when each edition's coverage was first indexed.
The brief
Four major AI models are experiencing simultaneous downtime. The outage affects Grok and Claude, while ChatGPT and Gemini have resumed service. The cause of the outage is not yet specified.
Ars Technica and PCMag note that the downtime is rare and overlapping. Yahoo Finance and PCMag mention that OpenAI, Anthropic, and SpaceXAI are all affected. The exact duration of the outage and the number of users affected are not specified.
The cause of the outage is not yet known. The extent of the impact on users and services is not yet clear.
Synthesized by Archynetys from the headlines below under a strict no-invention contract. ✓ fact-checked: unsupported claims removed (89% supported) Updated 1h ago.
Coverage (5)
- ChatGPT down: OpenAI chatbot not working in major outage Yahoo Finance UK · 4h ago
- Four major AI models suffer rare overlapping downtime Ars Technica · 4h ago
- ChatGPT Down for Thousands of Users Thursday, Downdetector Reports GV Wire · 6h ago
- OpenAI, Anthropic, SpaceXAI Hit by Service Outages for AI Models Yahoo Finance · 6h ago
- Major AI Outage: Grok, Claude Are Down. ChatGPT, Gemini Back Up PCMag · 6h ago
Quick answers
Which AI models are affected by the outage?
Grok and Claude are down. ChatGPT and Gemini have resumed service.
What is the cause of the outage?
The cause of the outage is not yet specified.
How many users are affected by the outage?
The number of users affected is not yet specified.
Topics
From around our network
Related trends
Widespread AI outage underway
Three major AI services are down, affecting thousands of users worldwide.
Anthropic upgrades Claude’s computer use to run in the background on Mac
Claude now lives inside your Mac, running in the background without any extra extensions.
New lawsuits claim OpenAI execs put image ahead of safety in Canadian mass shooting
OpenAI faces new lawsuits filed by victims of a Canadian school shooting alleging executives prioritized image over safety.
Gemini 3.8 Flash rolling out three weeks after last release
Google's Gemini 3.8 Flash is rolling out, three weeks after the last release
Anthropic Says New Fable AI Model Is Cheaper, Better at Coding
Anthropic's new AI model is up to 75% cheaper for some tasks, and it's already making waves.
Sonos Unveils New Headphones, Soundbar and Major Push Into AI
On September 1, 2026, technology coverage detailed major hardware and software announcements from Sonos.
Open prediction lab
Can you beat the machine?
Pick tomorrow's top trend, then compare your result with Archynetys's self-graded forecast.
📬 The daily trend digest
The world's top trends, once a day. No spam, one-click unsubscribe.