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Code Arena records 35,827,928 monthly visits with +19.4% month-over-month growth and Free pricing. Marble records 102,577 monthly visits with -48.8% growth and Freemium, Paid pricing.
Battle-test AI coding models side by side
Generate, edit, and share explorable 3D worlds from text, images, or video
| Dimension / Metric | | |
|---|---|---|
| Official Domain | arena.ai | marble.worldlabs.ai |
| Pricing Model | Free | Freemium, Paid |
| Monthly Visits | 35.83M (35,827,928) | 102.58K (102,577) |
| MoM Traffic Delta | +5.83M (+19.4%) | -97.62K (-48.8%) |
| Primary Market & Share | 🇮🇳 India (13.1%) | 🇺🇸 United States (24.4%) |
| Direct Visits / mo | 24.34M | 44.21K |
| User Rating | 4.7 | 4.6 |
| 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.
Generate, edit, and share explorable 3D worlds from text, images, or video
Describe a scene in natural language and receive a coherent, explorable 3D environment with consistent geometry and lighting.
Use a reference photo or footage to generate a 3D world that matches the look, layout, and atmosphere of your source material.
Refine, expand, and rearrange generated worlds inside the web editor instead of rebuilding scenes from scratch in a modelling tool.
Move worlds into external 3D tools and engines so they can be used for game development, visual effects, or further design work.
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
Create 3D models from text and images in seconds
The AI coding agent for building ambitious software
The AI coding agent for building ambitious software
Anthropic's AI assistant for real work, from chat to agents
Build working apps, websites, and AI agents by describing them
Build working apps, websites, and AI agents by describing them
Generate production-ready 3D assets from text or a single image
Describe your idea and Replit builds a working app in minutes
An agentic coding platform that ships real software
Google's AI tool for generating mobile and web UI designs from prompts
Node-based visual AI studio for images, video, 3D and audio
