Your votes directly shape the model rankings through the Bradley-Terry rating system. This makes Arena leaderboards grounded in community judgment, not static benchmarks.
Arena
Community-powered platform for comparing AI models via user chats and votes to create real-world performance leaderboards.
Community-powered platform for comparing AI models via user chats and votes to create real-world performance leaderboards.
- Pricing
- Paid
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- AI enthusiasts
Community-powered platform for comparing AI models via user chats and votes to create real-world performance leaderboards.
About Arena
Arena is a community-powered platform that evaluates frontier AI models through human preference data and pairwise comparisons. Users interact in Battle Mode for anonymous voting, Side by Side Mode for named model selection, and Direct Mode for direct chats, with Battle votes shaping public leaderboards via the Bradley-Terry rating system. Created by UC Berkeley researchers, it enables builders, researchers, and professionals to test and provide feedback on models.
FAQ
We have a detailed privacy policy explaining data collection, use, and sharing. Avoid including sensitive information in conversations with AI.
Conversations are used to support the community, improve service, and advance AI development. Publicly shared data is de-identified and includes research datasets for transparency.
Yes, models are anonymous during voting for fairness. Names are revealed after you vote. Only anonymous votes count toward rankings.
Yes, submit as many prompts and votes as you'd like to improve leaderboard accuracy.
Pre-release models from open-source and commercial providers for community testing, shown under codenames in Battle mode.
If a codenamed model passes provider criteria and policy requirements, its score is added to the public leaderboard under its official name.
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