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LMSYS ORGProjectsBlogAboutDonationsChatbot Arena (graduated)Open MenuClose MenuVicuna: An Open-Source Chatbot Impressing GPT-4 with 90%* ChatGPT Qualityby: The Vicuna Team, Mar 30, 2023We introduce Vicuna-13B, an open-source chatbot trained by fine-tuning LLaMA on user-shared conversations collected from ShareGPT. Preliminary evaluation using GPT-4 as a judge shows Vicuna-13B achieves more than 90%* quality of OpenAI ChatGPT and Google Bard while outperforming other models like LLaMA and Stanford Alpaca in more than 90%* of cases. The cost of training Vicuna-13B is around $300. The code and we...

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