On July 23, OpenAI confirmed that both ChatGPT and Codex are facing increased error rates. ChatGPT and Codex run on OpenAI’s shared infrastructure, which likely explains why both products are having issues at the same time. They first flagged the problems on July 23, 2026.Who’s AffectedThis outage seems to be affecting both free and paid ChatGPT users, as well as developers who rely on Codex for automated coding tasks. The best place for real-time updates is OpenAI’s system status page at status.openai.com. One commenter on r/ChatGPT said: “Thought it was just me, refreshed like five times before checking the status page.