OpenAI experienced an outage on Friday with users reporting that ChatGPT and Codex were not working properly and displaying an Unexpected status 401 error.
Outage-tracking website Downdetector reported that issues began coming in around 6:55 p.m. EDT, with many users receiving an incorrect API key error message.
OpenAI's status page acknowledged the Codex error and stated that the company had identified elevated errors and was working on implementing a mitigation.