Code Arena records 35,827,928 monthly visits with +19.4% month-over-month growth and Free pricing. Height Estimator records 0 monthly visits with -100% growth and Free pricing.
Battle-test AI coding models side by side
Predict a child's adult height or estimate height from a photo with AI
| Dimension / Metric | | |
|---|---|---|
| Official Domain | arena.ai | heightestimator.com |
| Pricing Model | Free | Free |
| Monthly Visits | 35.83M (35,827,928) | 0 (0) |
| MoM Traffic Delta | +5.83M (+19.4%) | -442 (-100%) |
| Primary Market & Share | 🇮🇳 India (13.1%) | 🌐 Global (—) |
| Direct Visits / mo | 24.34M | 0 |
| User Rating | 4.7 | 3.8 |
| 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.
Predict a child's adult height or estimate height from a photo with AI
Enter gender, age (1-17.5 years), current height and weight, and both parents' heights to get a projected adult height.
Upload a photo and let the vision model estimate the person's apparent height without manual measurements.
Create an account to log multiple measurements over time and see how actual growth compares with the prediction.
Results are framed with percentile ranges so you can see whether a predicted height sits in the average band.
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
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
Community plugin, rule, and MCP server hub for Cursor
Community plugin, rule, and MCP server hub for Cursor
Benchmark computer- and phone-use AI agents with blind head-to-head battles
Benchmark computer- and phone-use AI agents with blind head-to-head battles
Find out your eye shape from a single photo
Find out your eye shape from a single photo
The bug bounty platform built for AI and ML security
The bug bounty platform built for AI and ML security
Photograph a Scrabble board, get the best move
SpecialistFree AI age detector that estimates how old you look from a single selfie
SpecialistFree AI age detector that estimates how old you look from a single selfie
Calibrated forecasts with the evidence trail attached
Calibrated forecasts with the evidence trail attached
SpecialistFree AI dog breed identifier that matches your dog's photo against 120 breeds in seconds
SpecialistFree AI dog breed identifier that matches your dog's photo against 120 breeds in seconds
