ChatGPT - OpenAI
1st: https://openai.com/chatgpt 2nd: https://chat.openai.com/ 3d: https://chatgpt.com/ 4d: https://chat.com/
Microsoft Copilot - Your everyday AI companion
Microsoft Copilot leverages the power of AI to boost productivity, unlock creativity, and helps you understand information better with a simple chat experience.