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The Chat GPT ChatGPT ( Chat Generative Pre-Trained Transformer ) is a large language model -based chatbot developed by OpenAI and launched on November 30, 2022, notable for enabling users to refine and steer a conversation toward a desired length, format, style, level of detail, and language used. Successive prompts and replies, known as prompt engineering , are taken into account at each stage of the conversation as a context. ChatGPT is built upon GPT-3.5 and GPT-4 , from OpenAI's proprietary series of foundational GPT models , fine-tuned for conversational applications using a combination of supervised and reinforcement learning techniques. [3] ChatGPT was released as a freely available research preview, but due to its popularity, OpenAI now operates the service on a freemium model . It allows users on its free tier to access the GPT-...
