![]() In the case of supervised learning, the trainers played both sides: the user and the AI assistant. Both approaches employed human trainers to improve model performance. The fine-tuning process leveraged both supervised learning as well as reinforcement learning in a process called reinforcement learning from human feedback (RLHF). TrainingĬhatGPT is based on particular GPT foundation models, namely GPT-3.5 and GPT-4, that were fine-tuned to target conversational usage. Some observers expressed concern over the potential of ChatGPT to displace or atrophy human intelligence and its potential to enable plagiarism or fuel misinformation. Microsoft launched its Bing Chat based on OpenAI's GPT-4. Within months, Google, Baidu, and Meta accelerated the development of their competing products: Bard, Ernie Bot, and LLaMA. In contrast, the more advanced GPT-4 based version and priority access to newer features are provided to paid subscribers under the commercial name "ChatGPT Plus".īy January 2023, it had become what was then the fastest-growing consumer software application in history, gaining over 100 million users and contributing to OpenAI's valuation growing to US$29 billion. It allows users on its free tier to access the GPT-3.5-based version. ChatGPT was released as a freely available research preview, but due to its popularity, OpenAI now operates the service on a freemium model. ![]() ![]() ĬhatGPT is built upon GPT-3.5 and GPT-4 -members of OpenAI's proprietary series of generative pre-trained transformer (GPT) models, based on the transformer architecture developed by Google -and it is fine-tuned for conversational applications using a combination of supervised and reinforcement learning techniques. Successive prompts and replies, known as prompt engineering, are considered at each conversation stage as a context. ChatGPT, which stands for Chat Generative Pre-trained Transformer, is a large language model-based chatbot developed by OpenAI and launched on November 30, 2022, which enables users to refine and steer a conversation towards a desired length, format, style, level of detail, and language used. ![]()
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