chat gtp chat gpt org ChatGPT is fine-tuned from GPT-3.5, a language model trained to produce text. ChatGPT was optimized for dialogue by using Reinforcement Learning with Human Feedback RLHF – a method that uses human demonstrations and preference comparisons to guide the model toward desired behavior. Why does the AI seem so real and lifelike?
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chat gpt free ChatGPT is a sibling model to InstructGPT , which is trained to follow an instruction in a prompt and provide a detailed response. We are excited to introduce ChatGPT to get users’ feedback and learn about its strengths and weaknesses. During the research preview, usage of ChatGPT is free. Try it now at chatgpt.com . defer cancel