Vicuna: An Open-Source Chatbot Impressing GPT-4 with 90%* Quality
by LMSYS / UC Berkeley / CMU / UCSD · open-source · Last verified 2026-03-17
Presents Vicuna-13B, an open-source chatbot created by fine-tuning LLaMA on ShareGPT conversation data, achieving approximately 90% of ChatGPT and Bard quality as judged by GPT-4. The paper introduces GPT-4 as an automated judge for chatbot evaluation, establishing a widely adopted evaluation paradigm for conversational AI.
https://lmsys.org/blog/2023-03-30-vicuna/ ↗B
B—Above Average
Adoption: AQuality: AFreshness: BCitations: AEngagement: F
Specifications
- License
- Llama-derived non-commercial
- Pricing
- open-source
- Capabilities
- conversational-ai, gpt-4-evaluation, open-source-chat, instruction-following
- Integrations
- Use Cases
- chatbot-development, model-evaluation, open-source-alternatives, research
- API Available
- No
- Tags
- evaluation, open-source, chatbot, vicuna, fine-tuning, gpt-4
- Added
- 2026-03-17
- Completeness
- 100%
Index Score
68.9Adoption
80
Quality
82
Freshness
60
Citations
82
Engagement
0
Put AI to work for your business
Deploy this paper alongside autonomous AaaS agents that handle tasks end-to-end — no babysitting required.