Software · head to head
Leaflet vs CesiumJS
Leaflet
Software
Leading open-source JavaScript library for mobile-friendly interactive maps, used by millions of developers worldwide
- From
- Free
- Rated
- -
CesiumJS
Software
Open-source JavaScript library for creating 3D globes and 2D maps with support
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Leaflet 2D only with no support for 3D features, tilt, or rotation; CesiumJS the free Community tier does not permit commercial use
Where they differ
Only the attributes on which Leaflet and CesiumJS actually diverge.
Identical on both: starting price (Free), free tier (Yes), platforms (Web), user rating (Not yet rated), category (Unknown).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Leaflet
Nothing recorded that CesiumJS does not also cover.
Only in CesiumJS
Nothing recorded that Leaflet does not also cover.
Both cover
- Core Functionality
- User Interface
What people use each for
The jobs each tool is most often brought in to do.
Leaflet
- Embedding interactive maps in a web pagenot CesiumJS
- Mobile-friendly map interfaces across desktop and mobile browsersnot CesiumJS
- Mapping where bundle size matters, at roughly 42 KB of JavaScriptnot CesiumJS
- Extending a basic map with plugins rather than adopting a full platformnot CesiumJS
CesiumJS
- Streaming 3D terrain, imagery and building data into web applicationsnot Leaflet
- Tiling and hosting large geospatial and reality capture datasetsnot Leaflet
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Leaflet
- 2D only with no support for 3D features, tilt, or rotation
- Performance degrades when rendering large datasets of complex vector geometries without optimization
- Limited dynamic styling support; style is fixed on the server when using raster tiles
- Lacks native support for WMS features; requires plugins like Leaflet.WMS and complex feature identification is cumbersome
- Requires external tile service for map imagery; does not provide map tiles natively
CesiumJS
- The free Community tier does not permit commercial use
- The cheapest commercial plan is $149 a month for an individual and $524 for a team
- Team accounts are capped at 5 members on both the Commercial and Premium plans
- Three separate quotas apply at once, being storage, monthly streaming and monthly reality modelling gigapixels, and exceeding any one of them constrains the account
- Streaming is capped at 15 GB a month on the free tier
Pricing, plan by plan
Leaflet
FreeNo published plan breakdown. See the Leaflet review.
CesiumJS
FreeNo published plan breakdown. See the CesiumJS review.
Which should you pick?
Questions people ask
- Is Leaflet or CesiumJS better?
- Neither clearly leads. Leaflet starts at Free and CesiumJS at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Leaflet or CesiumJS?
- Leaflet starts at Free and CesiumJS at Free.
- Does Leaflet or CesiumJS run on more platforms?
- Both run on Web, so platform support will not decide this one for you.
- Can I use Leaflet for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Leaflet best used for?
- Leaflet is most often used for embedding interactive maps in a web page, mobile-friendly map interfaces across desktop and mobile browsers, mapping where bundle size matters, at roughly 42 kb of javascript, extending a basic map with plugins rather than adopting a full platform. Of those, embedding interactive maps in a web page and mobile-friendly map interfaces across desktop and mobile browsers are not what CesiumJS is typically brought in for.
Answered from the vendors’ own pages
Leaflet: Is Leaflet free and open source?
Yes. Leaflet is open-source JavaScript library licensed for free use. Over 400 plugins add capabilities like marker clustering, heatmaps, drawing tools, geocoding, and routing.
SourceLeaflet: How do I include Leaflet in my project via CDN?
Leaflet is available on multiple free CDNs including unpkg, cdnjs, and jsDelivr. Include the CSS stylesheet from https://unpkg.com/leaflet@1.9.4/dist/leaflet.css and JavaScript from https://unpkg.com/leaflet@1.9.4/dist/leaflet.js in your HTML head.
SourceLeaflet: What mapping services does Leaflet support?
Leaflet integrates seamlessly with various mapping services including OpenStreetMap, Google Maps, Bing, and other custom tile providers, allowing developers to choose the best base layer.
SourceLeaflet: What is the file size of Leaflet?
Leaflet weighs about 42 KB of JavaScript.
Source