Vicuna: An Open-Source Chatbot Impressing GPT-4 with 90%* ChatGPT Qualityby: The Vicuna Team, Mar 30, 2023 We 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