Home/Events/ChatGPT, Grok, and Claude Experience Simultaneous Outages

ChatGPT, Grok, and Claude Experience Simultaneous Outages

Developing

Confidence

70%

Impact: 50%

Updated 2h ago

Consensus Brief

On September 3, 2026, OpenAI's ChatGPT, xAI's Grok, and Anthropic's Claude all experienced significant outages affecting various functionalities. Users reported issues starting around 10:30 AM ET, with ChatGPT displaying elevated error messages and problems with logins, file uploads, and more.

Sourced from

The VergeT2

Primary: The Verge

What Changed Since Last Update

2h ago

This event marks a simultaneous outage of three major AI chatbots, which is unusual and has not been reported previously.

Claim Ledger

5 claims tracked across sources

Confirmed Fact

ChatGPT started returning error messages for users trying to use the chatbot.

Confirmed Fact

Anthropic's status page indicates that Opus 4.8 and Opus 5 are currently affected by an outage.

Confirmed Fact

Grok is experiencing an outage across its app and on the web.

Official Claim

OpenAI has applied a mitigation and is monitoring recovery.

Official Claim

Anthropic's status page states that it is continuing to work on a fix.

Role-Based Impact Analysis

Source Timeline

1 source corroborating

ChatGPT, Grok, and Claude all went down at the same time

The Verge·2h ago