ChatGPT went down — full timeline as major outage hit users worldwide
ChatGPT experienced an unplanned outage today, January 23, 2025, affecting users in the U.S., U.K and around the world. Reports started to emerge on outage-tracking site DownDetector and across social media at around 4am PT/ 7am ET/ 12pm GMT with no official word from parent company OpenAI on what the cause is.