LMSYS Chatbot Arena

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Compare and evaluate different language models with Chatbot Arena. Engage in conversations, vote, and contribute to improving AI chatbots.0
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What is LMSYS Chatbot Arena?

Chatbot Arena is an AI tool that allows users to chat with two anonymous models side-by-side and vote for the better one. Users can engage in multiple turns of conversations before voting, and the names of the models will be revealed after the vote. The tool includes both closed-source models like ChatGPT and open-source models like Llama.

Key Features:

1. Side-by-side Chat: Chatbot Arena enables users to have conversations with two anonymous models simultaneously. This feature allows users to compare the responses and performance of different models in real-time.

2. Voting System: After engaging in conversations with the models, users have the opportunity to vote for the better one. This feature encourages user participation and provides valuable feedback on the performance of the models.

3. Model Identity Concealment: To ensure a fair and unbiased voting process, the names of the models are revealed only after the vote. This prevents any influence based on preconceived notions or biases towards specific models.

Use Cases:

1. AI Model Evaluation: Chatbot Arena is a valuable tool for researchers, developers, and AI enthusiasts who want to evaluate and compare the performance of different language models. By engaging in conversations and voting, users can gain insights into the strengths and weaknesses of various models.

2. User Feedback Collection: The tool can be used by developers and organizations to collect user feedback on their own language models. By allowing users to interact with multiple models and vote, developers can gather valuable feedback to improve their models' performance.

3. AI Chatbot Training: Chatbot Arena can be utilized as a training platform for AI chatbots. Developers can expose their chatbot models to real conversations and evaluate their performance against other models. This can help in identifying areas for improvement and enhancing the chatbot's capabilities.

Chatbot Arena provides a unique and interactive platform for comparing and evaluating different language models. With its side-by-side chat feature, voting system, and model identity concealment, users can engage in meaningful conversations and contribute to the improvement of AI chatbot technology. Whether you are a researcher, developer, or AI enthusiast, Chatbot Arena offers a valuable opportunity to explore the capabilities of various models and provide valuable feedback.


More information on LMSYS Chatbot Arena

Launched
2023-03
Pricing Model
Free
Starting Price
Global Rank
2601
Follow
Month Visit
16M
Tech used
Google Analytics,Google Tag Manager,cdnjs,Google Fonts,Nginx,Ubuntu

Top 5 Countries

12.52%
11.78%
8.41%
8.25%
6.97%
China Korea, Republic of India United States Russia

Traffic Sources

1.33%
0.22%
0.03%
6.05%
29.73%
62.64%
social paidReferrals mail referrals search direct
Source: Similarweb (Sep 24, 2025)
LMSYS Chatbot Arena was manually vetted by our editorial team and was first featured on 2023-06-19.
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