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Code Arena records 35,827,928 monthly visits with +19.4% month-over-month growth and Free pricing. Charm (Mods) records 286 monthly visits with 0% growth and Free pricing.
Battle-test AI coding models side by side
Open-source tools and libraries that make the command line glamorous
| Dimension / Metric | | |
|---|---|---|
| Official Domain | arena.ai | charm.sh |
| Pricing Model | Free | Free |
| Monthly Visits | 35.83M (35,827,928) | 286 (286) |
| MoM Traffic Delta | +5.83M (+19.4%) |
| +286 (0%) |
| Primary Market & Share | 🇮🇳 India (13.1%) | 🌐 Global (—) |
|---|
| Direct Visits / mo | 24.34M | 112 |
|---|
| User Rating | 5 | 5 |
|---|
| 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.
Open-source tools and libraries that make the command line glamorous
A terminal-based coding agent that connects your tools, code, and workflows to the LLM of your choice, available on macOS, Linux, Windows, and BSD.
The Go framework behind a large share of modern terminal interfaces, complemented by Lip Gloss for styling, Huh for forms, Bubbles for widgets, and Wish for SSH apps.
Small, focused tools including gum for shell scripts, glow for markdown, vhs for terminal GIFs, skate for key-value storage, and Pop for command-line email.
Coding-optimized, high-availability, cost-efficient hosting for open-source models, with a platform layer for production CLI workloads.
High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
Google's rapid prototyping IDE and developer API workbench for building multimodal applications with Gemini models.
Autonomous enterprise AI agents and CRM intelligence powered by Salesforce Data 360 and Atlas.
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.
An AI-powered visual workspace where teams think, plan, and build together
Build and share random generators for free with lists and simple code
The AI coding agent for building ambitious software
High-quality human data for AI training, evaluation, and research
Anthropic's AI assistant for real work, from chat to agents
Google's agent-first development platform for building and shipping software with AI agents
Build working apps, websites, and AI agents by describing them
Git hosting and CI/CD for teams that live in Jira
