Compare answers across top AI models.

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January 20, 2026

LMArena

United States Arena Intelligence AI model comparison

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Overview

LMArena is a platform designed to compare and benchmark top AI models. Users can engage in chat with multiple AI models side by side including renowned systems like ChatGPT, Claude, Gemini, and other leading Language Models (LLMs).

The platform allows users to examine and compare the responses of these AI models to inputs. Its public leaderboard is powered by shared user feedback and benchmark results make LMArena a vital tool for those wanting to find the AI model best suited to their needs.

It's important to note that inputs are processed by third-party AI and responses may be inaccurate. Users should be aware that their conversations, along with some other forms of personal information, may be disclosed to the relevant AI providers and could be disclosed publicly to support the LMArena user community and further AI research.

The service emphasizes the importance of not submitting any information users would not want to be shared publicly.

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Initial release

August 9, 2024

Initial release of LMArena.

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Organization Arena Intelligence 🇺🇸 United States

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AI model comparison LMArena

United States Arena Intelligence AI model comparison

422

5.0(1)

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Pros and Cons

Pros

Side-by-side model analysis

Multi-model chat sessions

Includes ChatGPT, Claude, Gemini

Examine model responses

Benchmark results provided

Public user feedback-powered leaderboard

Suited for model selection

Inputs processed by third-party

Potential public data disclosure

Non-personal data sharing emphasized

Public displays user feedback

Provides model performance analytics

Leaderboard based on user ratings

Feedback contributes to model improvement

Enhances understanding of model performance

Model performance transparency

Eliminates model trial-and-error

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Cons

Data privacy concerns

Potential inaccurate responses

Public disclosure of conversations

No on-platform processing

No personalisation options

Relies on user feedback

Comparison limitations in diverse scenarios

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Q&A

How does LMArena compare AI models?

LMArena compares AI models by allowing users to engage in chat with multiple AI models side by side. It allows users to examine and compare the results of these models to the same inputs, facilitating direct comparison of model performance.

Can I chat with multiple AI models at once on LMArena?

Yes, on LMArena you can chat with multiple AI models at the same time including renowned models like ChatGPT, Claude, Gemini, and other leading Language Models (LLMs).

What AI models are available on LMArena?

On LMArena, users can interact with several AI models such as ChatGPT, Claude, Gemini, and other leading Language Models.

How does the public leaderboard on LMArena work?

The public leaderboard on LMArena is powered by shared user feedback. Users' interactions with the AI models and their feedback power the leaderboard rankings, promoting transparency and competition among the models.

What does LMArena mean by AI benchmark results?

AI benchmark results on LMArena refer to the performance metrics of each AI model, determined through users' feedback and interactions with the platform.

Who processes the inputs on LMArena? Are inputs processed by LMArena or a third party?

Inputs on LMArena are processed by third-party AI models. LMArena acts as an interface for users to interact with these models, but the models themselves process the inputs.

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How accurate are the responses from AI models on LMArena?

The accuracy of responses from AI models on LMArena may vary. As the website states, responses processed by the third-party AI models may be inaccurate.

What kinds of personal information will be disclosed to AI providers on LMArena?

On LMArena, conversations and certain other forms of personal information may be disclosed to the relevant AI providers. However, the exact kind of information that will be disclosed isn't specified.

Can my conversations on LMArena be disclosed publicly?

Yes, on LMArena, conversations and certain other personal information could be disclosed publicly to support the LMArena user community and further AI research.

What information should I avoid submitting to LMArena?

You should avoid submitting any personal information or other sensitive information that you would not want to be shared publicly to LMArena.

How can I decide which AI model on LMArena is best for my needs?

You can decide which AI model on LMArena is best suited to your needs by interacting with and comparing various AI models on the platform. User feedback and benchmark results provided can assist in making informed decisions.

How does LMArena support the AI research community?

LMArena supports the AI research community by providing a platform for comparison and benchmarking of AI models. Conversations and certain personal information may also be publicly disclosed to advance AI research.

Does LMArena provide any AI analytics?

LMArena allows users to compare answers across top AI models, indicating that some form of AI analytics is provided. However, in-depth details about AI analytics features aren't mentioned.

Can I see a comparison of answers across different AI models on LMArena?

Yes, on LMArena you can compare answers across different AI models. The platform allows you to examine and compare the responses of these AI models to the same inputs.

How does the chatbot testing on LMArena work?

Chatbot testing on LMArena involves users chatting with multiple AI models, giving input, and then comparing the responses. This allows for an assessment of each model's performance.

Where can I find the public leaderboard on LMArena?

The exact location of the public leaderboard on LMArena isn't specified. However, given it's a key part of the service, it's likely prominently featured.

Does LMArena have any data security measures in place?

LMArena doesn't provide explicit details on data security measures. It does however highlight that personal information inputted on the platform can be shared with third-party AI providers and may be disclosed publicly.

Can I share my feedback on AI models to LMArena?

Yes, you can share your feedback on AI models to LMArena. Such collective feedback powers the platform's public leaderboard.

How does user feedback contribute to the community on LMArena?

On LMArena, user feedback contributes to the community by powering the public leaderboard. This feedback allows for comparison and benchmarking of AI models based on performance as perceived by the users.

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