ml5.js vs NSFWJS
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. ml5.js starts at Free and NSFWJS starts at Free. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Body and hand pose tracking
- Face landmark detection
- Image classification
- Sound classification
- Train custom neural networks
- Five-class image classification
- Runs in browser or Node.js
- WebGL, WebGPU and WASM backends
- Self-hostable models
- React Native support
| Feature | ml5.js | NSFWJS |
|---|---|---|
| Best for | Beginner-friendly JavaScript library for machine learning in the browser | Open-source JavaScript library that flags NSFW images on the device |
| Category | Coding | Coding |
| Pricing model | Free | Free |
| Starting price | Free | Free |
| Free plan | Yes, fully free | Yes, fully free |
| Made by | ml5.js | Infinite Red |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
ml5.js starts at Free and NSFWJS starts at Free. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
ml5.js
- Free and open source
- Runs fully in the browser
- Many beginner tutorials available
- Latest version broke older code
- Limited to the bundled model types
- Not aimed at production ML systems
NSFWJS
- Images never leave the device
- Small default model
- Free under the MIT license
- Around 90% accuracy on the small model
- Only five fixed categories
- Images only, no video or text
Which one should you choose?
Choose ml5.js if you want:
- Free and open source
- Runs fully in the browser
- Many beginner tutorials available
Watch out: latest version broke older code.
Choose NSFWJS if you want:
- Images never leave the device
- Small default model
- Free under the MIT license
Watch out: around 90% accuracy on the small model.
ml5.js vs NSFWJS FAQ
What is the difference between ml5.js and NSFWJS?
ml5.js: Beginner-friendly JavaScript library for machine learning in the browser. NSFWJS: Open-source JavaScript library that flags NSFW images on the device. Both are coding tools.
Is ml5.js or NSFWJS cheaper?
ml5.js starts at Free and NSFWJS starts at Free. Check both pricing pages for current plans.
Do ml5.js and NSFWJS have free plans?
ml5.js: Yes, fully free. NSFWJS: Yes, fully free.
Who makes ml5.js?
ml5.js is made by ml5.js, based in United States.
Who makes NSFWJS?
NSFWJS is made by Infinite Red, based in United States.
Which should I choose, ml5.js or NSFWJS?
Choose ml5.js if you value free and open source and runs fully in the browser. Choose NSFWJS if you value images never leave the device and small default model.