OpenAI's chatbot ChatGPT suffered an over three-hour-long outage worldwide on Monday. As per OpenAI, ChatGPT's website went down at 7:00 PST (around 8:30 pm in India) and was fully restored by 10:30 PST. OpenAI restored service for ChatGPT Plus subscribers first, waiting for around 30 minutes before restoring the service for free users.