

LMArena
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Public web platform for large language model evaluation using anonymous pairwise comparisons, crowd-sourced voting, real-time model identity reveals and aggregate performance tracking for both open-source and proprietary LLMs across community-submitted prompts.
Cost / License
- Free
- Proprietary
Application types
Platforms
- Online
Features
- Dark Mode
- No registration required
- Ad-free
- Text to Image Generation
- Anonymous voting
- AI Writing
- AI Chatbot
Tags
- large-language-model-tool
- artifical-intelligence
- large-language-model
- large-language-model-evaluation
- llm-apps
- llm-evaluation
- language-model-evaluation
- language-models
LMArena News & Activities
Highlights All activities
Recent activities
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User-Friendly, Open Source, Security Focus, Privacy Focus, Cross-Platform
List by almondelf2 with 42 apps, updated
What is LMArena?
LMArena is a public, web-based platform that evaluates large language models using anonymous, crowd-sourced pairwise comparisons. Users submit prompts to two anonymous models, compare their responses, and vote for the one they think performs better. After voting, the models’ identities are revealed, allowing the community to track and analyze global model performance over time.








