Free / Open-sourceHigh-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
#1Code Arena records 35,827,928 monthly visits with +19.4% month-over-month growth and Free pricing. Msty records 1,577 monthly visits with -81.1% growth and Freemium, Paid pricing.
Private AI for real work — workspaces, agents, models, and knowledge on your terms
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | arena.ai | msty.app |
| Pricing Model | Free | Freemium, Paid |
| Monthly Visits | 35.83M (35,827,928) | 1.58K (1,577) |
| MoM Traffic Delta | +5.83M (+19.4%) |
| -6.78K (-81.1%) |
| Primary Market & Share | 🇮🇳 India (13.1%) | 🇩🇪 Germany (56.3%) |
|---|
| Direct Visits / mo | 24.34M | 522 |
|---|
| 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.
Private AI for real work — workspaces, agents, models, and knowledge on your terms
Chat with models, organize knowledge, create media, and reuse prompts inside one privacy-first environment that runs on your own machine.
Run scoped agents on real tasks, review each step, and keep control from desktop or mobile rather than delegating a whole workflow blind.
Nexus acts as a central hub to manage runtimes, providers, API keys, policies, app tokens, and usage across an organization.
Package approved sources into versioned Knowledge Stacks that approved AI apps can retrieve and reuse, keeping context governed.
Free / Open-sourceHigh-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
#1Free / Open-sourceRun and build with open AI models locally or in the cloud
#2
SpecialistChat with 30+ leading AI models in one clean, fast workspace

Crowdsourced arena where AI models compete and humans crown the best design output

Free / Open-sourceSelf-hosted AI workspace for local and cloud models

SpecialistAn extendable launcher that puts your tools, AI, and automations one keystroke away

Agent Skills that give your coding agent real design taste
Free / Open-sourceOwn your intelligence: a private AI assistant that runs entirely on your machine
Free / Open-sourceSearch and study millions of public SKILL.md agent skills

Free AI hackathons and a global community for AI builders
Free / Open-sourceOpen-source desktop AI that runs models locally on your own machine

Free / Open-sourceFree, open-source AI app builder that runs on your own machine
Free / Open-sourceHigh-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
Free / Open-sourceRun and build with open AI models locally or in the cloud
SpecialistChat with 30+ leading AI models in one clean, fast workspace
Crowdsourced arena where AI models compete and humans crown the best design output
Free / Open-sourceSelf-hosted AI workspace for local and cloud models
SpecialistAn extendable launcher that puts your tools, AI, and automations one keystroke away
Agent Skills that give your coding agent real design taste
Free / Open-sourceOwn your intelligence: a private AI assistant that runs entirely on your machine
Free / Open-sourceSearch and study millions of public SKILL.md agent skills
Free AI hackathons and a global community for AI builders
Free / Open-sourceOpen-source desktop AI that runs models locally on your own machine
Free / Open-sourceFree, open-source AI app builder that runs on your own machine