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Vicuna is an open-source chatbot that fine-tunes LLaMA on user-shared conversations. It achieves over 90% of ChatGPT's quality and is available for non-commercial use.
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Vicuna-13B is an open-source chatbot developed by fine-tuning the LLaMA base model on approximately 70,000 user-shared conversations from ShareGPT.com. It demonstrates competitive performance, achieving over 90% of the quality of OpenAI ChatGPT and Google Bard, and outperforming models like LLaMA and Stanford Alpaca in a significant majority of cases. The training process involved enhancing Alpaca's scripts for multi-turn conversations and expanding the maximum context length to 2048, utilizing memory optimizations like gradient checkpointing and flash attention. Vicuna provides a cost-effective solution for advanced chatbot capabilities, with training costs around $300 for the 13B model. The code, weights, and an online demo are publicly available for non-commercial use, fostering open-source innovation in large language models.
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Free for non-commercial use.
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