
Free / Open-sourceThe AI coding agent that turns ideas into shipped software
Free / Open-sourceThe AI coding agent that turns ideas into shipped software
Code Arena records 35,827,928 monthly visits with +19.4% month-over-month growth and Free pricing. ML.ai records 0 monthly visits with 0% growth and Paid pricing.
Hand it an issue, review the diff, merge when you are ready
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | arena.ai | ml.ai |
| Pricing Model | Free | Paid |
| Monthly Visits | 35.83M (35,827,928) | 0 (0) |
| MoM Traffic Delta | +5.83M (+19.4%) | 0 (0%) |
| Primary Market & Share | 🇮🇳 India (13.1%) | 🌐 Global (—) |
| Direct Visits / mo | 24.34M | 0 |
| User Rating | 4.7 | 4.4 |
| Supported Platforms | Website | Website |

Battle-test AI coding models side by side
Send the same coding prompt to multiple leading models and compare their generated apps and logic side by side.
Watch models construct web apps and websites live, so you can see process and output, not just the final file.
Projects go beyond one-off snippets, testing how well a model structures components, routes, and styles together.
Track which coding models accumulate the most wins over time to identify consistently strong performers.
Hand it an issue, review the diff, merge when you are ready
Give it an issue and it reproduces the bug, edits the code, runs your tests and opens a pull request while you focus on decisions.
The agent proposes a task list and names the files it expects to change. You select the tasks, and edits outside the declared scope stop and ask first.
Each step of a task is routed to the model that fits it, with the vendor abstracted behind an effort setting and a stated outcome.
Launch many jobs across projects at the same time. Each agent runs in its own sandbox and reports back with a reviewable diff.

Free / Open-sourceThe AI coding agent that turns ideas into shipped software
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