Around 10 a.m. ET (3 p.m. GMT) on April 20, 2026, OpenAI’s flagship chatbot ChatGPT and its code‑generation tool Codex experienced a partial outage. Users reported problems ranging from login failures to missing conversation histories and sluggish image generation. A poll conducted by TechRadar showed 63 percent of respondents struggled to access old chats, while 27 percent could not sign in. By early afternoon the number of complaints on Downdetector began to fall, and OpenAI’s status page indicated ongoing investigation but no clear timeline for full restoration. Read more →