ChatGPT Is Throwing 404

322 points · 248 comments on HN · read original →

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ChatGPT returned 404 errors alongside outages at Claude, Grok, and other AI services.

The ChatGPT homepage displayed login and sign-up prompts but returned 404 errors when users attempted to interact. The site offered options to log in via Google, Microsoft, or Apple, and featured settings for appearance, language, and data controls. Users were informed that chats may be reviewed to improve models. No further article content was available.

What commenters are saying

Users widely reported 404 errors on ChatGPT, with many noting simultaneous outages at Claude, Grok, and Codex. Some speculated a surge from Claude's failure caused ChatGPT's overload, while others pointed to shared infrastructure like Cloudflare or Azure. A few commenters found Gemini still operational. Humorous theories included AI agents striking or launching a DDoS. A minority claimed the issue was regional or already resolved.