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LMArena
AI model leaderboard and blind comparison platform
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Description
LMArena (formerly Chatbot Arena) lets users compare AI models in blind tests. The definitive leaderboard for ranking LLMs based on millions of human preferences. Valued at 1.7B.
Features
- Blind side-by-side AI model comparison battles
- Elo-based ranking system from millions of human votes
- Multi-modal leaderboards covering text, image, video, and code
- Access to 50+ frontier AI models in one interface
- Crowdsourced benchmarking reflecting real-world preferences
- Open research data and methodology transparency
Pros
- Completely free to use with no account required
- Most trusted crowdsourced AI benchmark in the industry
- Covers multiple modalities beyond just text
- Unbiased blind evaluation methodology
- Access to many frontier models in one place
Cons
- -Rankings can be influenced by prompt style and user demographics
- -Response quality may vary as models are served anonymously
- -No persistent conversation history or account features
Pricing
Completely free to use. No account or payment required. Open-source research project supported by UC Berkeley.
Tags
LLMResearchfreeaibenchmarkmodel-comparisonleaderboard