LM Arena
Last Updated on: Sep 17, 2025
LM Arena
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What is LM Arena?
LMArena is a platform designed to allow users to contribute to the development of AI through collective feedback. Users interact with and provide feedback on various Large Language Models (LLMs) by voting on their responses, thereby helping to shape and improve AI capabilities. The platform fosters a global community and features a leaderboard to showcase user contributions.
Who can use LM Arena & how?
  • AI Enthusiasts: Individuals passionate about artificial intelligence who want to directly contribute to its advancement.
  • AI Researchers: Academics and researchers who can use the collective feedback data to gain insights into AI performance and user preferences.
  • Developers of LLMs: Organizations and individuals creating AI models who can receive valuable feedback to iterate and improve their creations.
  • Anyone Interested in AI: Users curious about how different AI models perform and wishing to compare them side-by-side.

How to Use LMArena?
  • Engage with AI Models: Interact with various AI models by submitting prompts or questions.
  • Provide Feedback: Compare the responses from different AI models and cast your vote for the preferred response.
  • Contribute to AI Training: Your votes and interactions provide valuable data that helps train and improve AI models.
  • Track Your Contribution: Participate in the global community and see your contributions reflected on the leaderboard.
What's so unique or special about LM Arena?
  • Crowdsourced AI Improvement: LMArena leverages collective user feedback on a massive scale (over 3.5 million votes) to directly influence AI development.
  • Direct Impact on AI: Users have a tangible way to shape the future capabilities of AI by voting on model responses.
  • Comparative AI Testing: The platform allows users to compare different AI models side-by-side, offering a unique perspective on their strengths and weaknesses.
  • Gamified Contribution: The inclusion of a leaderboard adds a gamified element, encouraging ongoing participation from its community.
Things We Like
  • Direct Impact on AI: Users can directly contribute to improving AI models, which is a powerful way to engage with the technology.
  • Model Comparison: The platform provides an excellent opportunity to test and compare different AI models in real-world scenarios.
  • Community Engagement: The global community and leaderboard foster a sense of participation and healthy competition.
Things We Don't Like
  • Data Privacy Concerns: User conversations and certain personal information will be disclosed to AI providers and may be shared publicly for research purposes. Users are explicitly warned not to submit sensitive information.
  • AI Inaccuracy Warning: The platform states that inputs are processed by third-party AI, and responses may be inaccurate, which is a standard disclaimer but still a point to note.
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FAQs

LMArena is a platform where users can interact with and provide collective feedback on various AI models to help shape their development.
Users contribute by comparing AI model responses and voting for their preferred one, which provides data for AI research and improvement.
No, user conversations and certain personal information will be disclosed to relevant AI providers and may be shared publicly for community support and AI research.
Your conversations will be disclosed to relevant AI providers and may be shared publicly. Users are advised not to submit personal or sensitive information.
No, the platform notes that inputs are processed by third-party AI, and responses may be inaccurate.

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