[Codex Glossary #4] Sign-in vs. API Key in ChatGPT: Differences in Pricing and Features

When you type 'codex' in the terminal for the first time, the first thing that appears is a screen to choose your sign-in ...

OpenAI down: ChatGPT and Codex not working as users report 'Unexpected status 401' error amid outage

OpenAI appears to be experiencing an outage, with users reporting that ChatGPT and Codex are not working properly and ...

[Breaking] To those getting a "401 Incorrect API key" error in Codex. It is likely an OpenAI-side outage, not a configuration error (as of 8:40 AM, 9/26)

AM on Saturday, September 26, 2026.[Update 9/26 9:40] It was restored at 8:54 AM.The official OpenAI page now says "all ...
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OpenAI now lets you lock your ChatGPT account with a hardware key. Here is why it thinks you should.

OpenAI launched Advanced Account Security for ChatGPT and Codex, an opt-in feature that replaces passwords with passkeys or hardware security keys, disables email and SMS recovery, and automatically ...

OpenAI to retire GPT-5.5 from ChatGPT, Work and Codex on October 14: What changes to expect

OpenAI is making a significant change to its model lineup, with GPT-5.5 set to leave some of its major products next month as ...