Coddy records 7,478,457 monthly visits with +17.8% month-over-month growth and Freemium pricing. Code Arena records 35,827,928 monthly visits with +19.4% growth and Free pricing.
Learn to code free with hands-on lessons and instant playgrounds
Battle-test AI coding models side by side
| Dimension / Metric | | |
|---|---|---|
| Official Domain | coddy.tech | arena.ai |
| Pricing Model | Freemium | Free |
| Monthly Visits | 7.48M (7,478,457) | 35.83M (35,827,928) |
| MoM Traffic Delta | +1.13M (+17.8%) | +5.83M (+19.4%) |
| Primary Market & Share | 🇺🇸 United States (15.4%) | 🇮🇳 India (13.1%) |
| Direct Visits / mo | 3.13M | 24.34M |
| User Rating | 4.3 | 4.7 |
| Supported Platforms | Website | Website |
Learn to code free with hands-on lessons and instant playgrounds
Short, practice-first coding lessons that run directly in your browser, so you can start learning without installing a compiler or development environment.
Dedicated playgrounds for Python, JavaScript, C, C++, Java, SQL, React, Go, Swift and many other languages let you test snippets and experiment immediately after each lesson.
Structured curricula such as Software Engineer, Frontend, Full Stack, Backend, Data Analyst, Data Scientist, DevOps and game development bundle the skills employers actually ask for.
Streak-style daily coding challenges and progress tracking help learners build a consistent habit and stay motivated between longer courses.
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.
High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
Alibaba Cloud's 4th-generation multimodal AI assistant and foundation model lineup (Qwen4-Max, Qwen4-Plus, Qwen4-Flash & open-weight Qwen4-27B) with 1M context.
Alibaba Cloud's 4th-generation multimodal AI assistant and foundation model lineup (Qwen4-Max, Qwen4-Plus, Qwen4-Flash & open-weight Qwen4-27B) with 1M context.
Build and share random generators for free with lists and simple code
Build and share random generators for free with lists and simple code
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Build working apps, websites, and AI agents by describing them
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Google's AI tool for generating mobile and web UI designs from prompts
A spec-driven AI IDE and agent platform that plans, builds, reviews, and verifies real engineering work.
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