Hands-on tested · Updated 2026
Completely free - no payment needed.
Where it falls short
Occasional misunderstandings of user intent
Vicuna-13B is an open-source chatbot trained by fine-tuning LLaMA on user-shared conversations collected from ShareGPT. Core Function Details: 1. Open Source: Vicuna-13B is open source, allowing users to modify and use it freely. 2. Fine-tuning Ability: Based on the LLaMA model, Vicuna-13B has strong fine-tuning capabilities. 3. ShareGPT Data: Trained on user conversation data collected from ShareGPT, making it more realistic. Actual Usage Experience Analysis: According to user feedback, Vicuna-13B performs well in conversation fluency and accuracy, but there may...
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Vicuna-13B is LMSYS's open-source chat model fine-tuned from LLaMA using ShareGPT data. Visit the official blog for technical details.
Read BlogSearch for Vicuna-13B on HuggingFace to download weights. Requires LLaMA access since Vicuna uses delta weights.
After downloading delta weights, merge with original LLaMA weights using a script to get the full Vicuna model.
Load Vicuna with FastChat or vLLM. FastChat provides Web UI and OpenAI-compatible API for easy integration.
Use 4-bit quantized version (vicuna-13b-1.1-quantized) to run 13B on 8GB VRAM GPUs.
LMSYS operates Chatbot Arena to test Vicuna against other models online. Contribute evaluations to help improve.
Test with your actual use cases in the Arena for more realistic results than benchmarks.
Suitable for individual developers, research institutions, and those interested in trying open-source chatbots. It can be used for various applications such as customer service, virtual assistants, and educational tools.
Vicuna-13B is a free tool. Visit the official website for detailed pricing.
View pricing →Vicuna-13B is free, which makes it an excellent choice for those on a budget. However, it may lack some advanced features and support compared to paid alternatives.
Recommended. Vicuna-13B offers a great value for those interested in open-source chatbot technology. It's suitable for users who are comfortable with technical aspects and willing to contribute to the community.
Individual developers: because it's open source and allows for customization. Research institutions: because it provides a platform for experimenting with chatbot technology. Open-source enthusiasts: because it's free and offers a community-driven development environment.
| Tool | Rating | Pricing | Best For |
|---|---|---|---|
| Vicuna-13B ★ | 0/5 | Free | AI Model |
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