Free / Open-sourceAI detection and writing verification built for schools and editors
Free / Open-sourceAI detection and writing verification built for schools and editors
Code Arena records 35,827,928 monthly visits with +19.4% month-over-month growth and Free pricing. Intuition Machines records 443 monthly visits with -72.2% growth and Contact for Pricing pricing.

Privacy-preserving AI/ML platforms for bot and fraud detection
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | arena.ai | imachines.com |
| Pricing Model | Free | Contact for Pricing |
| Monthly Visits | 35.83M (35,827,928) | 443 (443) |
| MoM Traffic Delta | +5.83M (+19.4%) | -1.15K (-72.2%) |
| Primary Market & Share | 🇮🇳 India (13.1%) | 🌐 Global (—) |
| Direct Visits / mo | 24.34M | 173 |
| User Rating | 4.7 | 4.4 |
| 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.

Privacy-preserving AI/ML platforms for bot and fraud detection
A privacy-first security AI suite used by websites and apps to block bots and abuse, positioned as an independent alternative to reCAPTCHA.
An active-learning platform with robust APIs that automates the full train, deploy and improve cycle for computer-vision models.
Scoped and blinded signals that enrich risk scoring while keeping ML models compliant with global privacy laws and free of PII.
Detection models for credential stuffing, account takeover, card testing, chargeback fraud, purchase fraud and SMS tolling fraud.
Free / Open-sourceAI detection and writing verification built for schools and editors
Free / Open-sourceAI detection and writing verification built for schools and editors

Free / Open-sourcePrivacy-first bot detection and fraud prevention for the web
Free / Open-sourcePrivacy-first bot detection and fraud prevention for the web
Free / Open-sourceDetect, humanize and verify AI content in one place
Free / Open-sourceDetect, humanize and verify AI content in one place

Enterprise AI infrastructure where software and expert humans work together
Enterprise AI infrastructure where software and expert humans work together

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

Human-validated training data and evaluation services for frontier AI models

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

Free AI hackathons and a global community for AI builders
Free AI hackathons and a global community for AI builders

Attack-led AI security testing and red teaming
Attack-led AI security testing and red teaming
Community plugin, rule, and MCP server hub for Cursor
Community plugin, rule, and MCP server hub for Cursor

Runtime security that stops prompt injection and data leaks in LLM apps