Code Arena records 35,827,928 monthly visits with +19.4% month-over-month growth and Free pricing. fast.ai records 250,720 monthly visits with -10.4% growth and Free pricing.
Battle-test AI coding models side by side
Free practical deep learning courses, research and open-source libraries
| Dimension / Metric | | |
|---|---|---|
| Official Domain | arena.ai | fast.ai |
| Pricing Model | Free | Free |
| Monthly Visits | 35.83M (35,827,928) | 250.72K (250,720) |
| MoM Traffic Delta | +5.83M (+19.4%) | -29.13K (-10.4%) |
| Primary Market & Share | 🇮🇳 India (13.1%) | 🇺🇸 United States (24%) |
| Direct Visits / mo | 24.34M | 137K |
| User Rating | 4.7 | 4.8 |
| 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.
Free practical deep learning courses, research and open-source libraries
A free, top-down course that gets you training real models immediately and explains the theory as you go, with notebooks and video lessons.
A newer educational format that teaches iterative, exploration-driven problem solving with an interactive platform, replacing the classic course structure.
A high-level API that makes modern deep learning techniques concise and accessible while staying flexible for research work.
Develop, test, document and publish complete Python packages directly from Jupyter notebooks, ending the notebook-versus-git conflict.
Offers broad structured courses by Andrew Ng, but lacks fast.ai's deep hands-on focus on PyTorch code.
Offers broad structured courses by Andrew Ng, but lacks fast.ai's deep hands-on focus on PyTorch code.
Crowdsourced arena where AI models compete and humans crown the best design output
Crowdsourced arena where AI models compete and humans crown the best design output
Provides official structured learning resources for AI development, but centers on OpenAI's proprietary ecosystem rather than PyTorch.
Provides official structured learning resources for AI development, but centers on OpenAI's proprietary ecosystem rather than PyTorch.
Agent Skills that give your coding agent real design taste
Agent Skills that give your coding agent real design taste
Free / Open-sourceSearch and study millions of public SKILL.md agent skills
Free / Open-sourceSearch and study millions of public SKILL.md agent skills
SpecialistHosts hands-on AI hackathons and developer tutorials, but emphasizes rapid prototyping over deep academic machine learning.
SpecialistHosts hands-on AI hackathons and developer tutorials, but emphasizes rapid prototyping over deep academic machine learning.
Free / Open-sourceOffers free educational guides on prompt engineering, but focuses on LLM usage rather than training neural networks.
Free / Open-sourceOffers free educational guides on prompt engineering, but focuses on LLM usage rather than training neural networks.
SpecialistA vibrant open community for data science practitioners, though it operates as a network rather than structured courses.
SpecialistA vibrant open community for data science practitioners, though it operates as a network rather than structured courses.
Community plugin, rule, and MCP server hub for Cursor
Community plugin, rule, and MCP server hub for Cursor
Benchmark computer- and phone-use AI agents with blind head-to-head battles
Benchmark computer- and phone-use AI agents with blind head-to-head battles
Provides practical production machine learning tutorials, but covers broader deployment stacks rather than pure deep learning foundations.
Provides practical production machine learning tutorials, but covers broader deployment stacks rather than pure deep learning foundations.
The bug bounty platform built for AI and ML security
The bug bounty platform built for AI and ML security
