Code Arena

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Code Arena, formerly known as LMArena, is a professional platform designed for developers to test and compare top AI coding models side-by-side. By entering a single prompt, users can generate multi-file applications or websites and evaluate the quality, reasoning, and accuracy of different AI models in real time. The platform supports exporting ready-to-run code directly to GitHub or a local IDE. It also features 'Image to Code' capabilities, allowing users to transform screenshots or mockups into functional code, and includes a leaderboard to track the performance of various AI models.
A platform to compare AI coding models and generate multi-file apps side-by-side.
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www.arena.ai/code
Code Arena website screenshot
What is Code Arena?

A platform to compare AI coding models and generate multi-file apps side-by-side.

Code Arena, formerly known as LMArena, is a professional platform designed for developers to test and compare top AI coding models side-by-side. By entering a single prompt, users can generate multi-file applications or websites and evaluate the quality, reasoning, and accuracy of different AI models in real time. The platform supports exporting ready-to-run code directly to GitHub or a local IDE. It also features 'Image to Code' capabilities, allowing users to transform screenshots or mockups into functional code, and includes a leaderboard to track the performance of various AI models.

Core Features
Side-by-side AI model comparison
Multi-file app and website generation
Export to GitHub or IDE
Image to Code (screenshot to code conversion)
Real-time code quality and reasoning evaluation
AI coding model leaderboard
Popular Use Cases
  • Comparing the logic and reasoning of different AI models for a specific coding task
  • Generating a complete multi-file website structure from a single prompt
  • Converting a UI mockup image into functional frontend code
  • Benchmarking the performance of new AI coding models
Feature Comparison
A functional comparison based on maker input.
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Comparison details are provided for informational purposes and should be verified with the official website.
How to use
  • Enter a description of what you want to build in the prompt box
  • or upload a screenshot using the 'Image to Code' feature. Review the side-by-side code outputs from different AI models
  • compare their accuracy
  • and then export the final code to your IDE or GitHub.
Pricing
Code Arena uses a freemium pricing model. Pricing and features may change over time.
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