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

TL;DR

OpenAI's ChatGPT, xAI's Grok, and Anthropic's Claude are back online after they all began experiencing issues around the same time on Thursday. At about 11AM ET, ChatGPT started returning error messages for users trying to use the chatbot, with its status page saying there were "elevated errors across ChatGPT and Codex. " In addition to preventing users from having conversations with ChatGPT, the outage affected logins, file uploads, voice mode, search, deep research, image generation, and more.

Nauti's Take

A simultaneous outage at OpenAI, xAI and Anthropic is annoying, but it is a good opportunity to check your dependencies honestly while it only costs a few hours. The risk is real and structural, because entire workflows hang on a handful of endpoints and a Codex outage blocks development directly.

Anyone running AI in production needs a fallback provider and a plan for the day without a model.

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