Lmarena

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Lmarena is an AI ranking and LLM leaderboard tool that allows users to chat, compare, and vote for AI models. It provides a platform for real-world evaluation of LLMs, image, and code models.

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At a glance

Pricing

Likely Free

Free tier

Yes

API

Skill level

Technical

About

What is Lmarena?

Lmarena, also known as Arena AI, is a community-driven platform for evaluating and ranking AI models, including LLMs, image, and code models. Users can engage in 'Battle Mode' to chat with multiple AI models side-by-side, compare their responses anonymously, and vote for their preferred model. These votes directly influence the public leaderboard rankings through the Bradley-Terry rating system. The platform also offers 'Side by Side Mode' and 'Direct Mode' for research purposes, allowing users to interact with specific models and contribute to understanding human preferences. Lmarena emphasizes transparency, sharing de-identified conversation data for research and open science, and even provides early access to pre-release models from various providers.

Best used for

Ideal for researchers and developers who need to evaluate and compare the performance of various AI models, including LLMs, image, and code models. Especially valuable for those looking to contribute to crowdsourced benchmarks and gain early access to pre-release models for testing and feedback.

Common actions

compare AI models

evaluate LLMs

rank AI performance

test AI models

contribute to AI research

course creationEducatione-learningContent creationinteractive learningTrainingInstructional designAI education

Capabilities

Key features

AI model comparison
Anonymous model voting
Public AI leaderboards
Early access models
Research data sharing
Side-by-side chat

Target Audience

researcherdeveloperstudent

Integrations

Not yet documented

Pricing & Plans

Likely Free

Freemium

FAQs

How does my feedback influence the AI model rankings?

Your votes in Battle Mode directly shape the model rankings using the Bradley-Terry rating system, similar to Elo ratings in chess. This system efficiently computes ratings based on all votes, making the leaderboards reflective of community judgment rather than static benchmarks.

Are the AI models anonymous during voting?

Yes, models remain anonymous during voting in Battle Mode to ensure fairness and eliminate bias. Their names are revealed only after you cast your vote. Only votes made while models are anonymous count towards official rankings.

How is my conversation data used and shared?

Your conversations may be used and shared to support the community, improve the service, and advance AI development. This includes sharing de-identified conversations in public research datasets and private evaluations with model providers to maintain transparency and reproducibility.

Can I access the evaluation data for research purposes?

Yes, a portion of anonymized voting data is shared with the research community to support open science. This data includes prompt text, voting outcomes, and model pairings, and can be explored via Arena Explorer or HuggingFace.

What is the difference between Battle Mode, Side by Side Mode, and Direct Mode?

Battle Mode involves anonymous model comparisons and votes that impact leaderboards. Side by Side Mode allows specific model selection for comparison, with votes collected for research but not ranking. Direct Mode is for interacting with specific models without voting, primarily for research data collection.

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