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Maps · head to head

Cesium ion vs Lonboard

Cesium ion logo

Cesium ion

Maps

Hosted 3D geospatial tiling and streaming, metered by storage, streaming and gigapixels

From
Free
Rated
-
Full reviewWebsite
Lonboard logo

Lonboard

Maps

Python map rendering in Jupyter that skips GeoJSON and moves millions of features without choking

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Cesium ion streaming is metered in gigabytes a month, so a public-facing application's cost is driven by visitor traffic you do not control, and a successful launch can blow through a tier immediately.; Lonboard it is a notebook visualisation library, not a mapping application, so there is no editing, no layout, no map export for print and no sharing beyond distributing the notebook or an HTML file
  • They diverge on capability: Cesium ion covers 3D Tiles tiling, Lonboard covers GeoArrow binary transfer.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Cesium ion and Lonboard actually diverge.

Attributes where Cesium ion and Lonboard differ
AttributeCesium ionLonboard
Pricing modelPer month by storage, streaming and gigapixelsOpen source, no licence fee
PlatformsWeb, CloudLinux, macOS, Windows

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Maps).

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 Cesium ion

  • 3D Tiles tiling
  • Global terrain and imagery
  • Google Photorealistic 3D Tiles
  • Cloud reality modelling
  • Streaming delivery
  • Access tokens
  • Geocoding
  • Self-hosted option

Only in Lonboard

  • GeoArrow binary transfer
  • GeoPandas input
  • deck.gl layers
  • Jupyter widget
  • Large dataset handling
  • Styling by attribute
  • Open source licence

What people use each for

The jobs each tool is most often brought in to do.

Cesium ion

  • A survey firm delivering a photogrammetry mesh to a client as a browser link rather than a 40 GB downloadnot Lonboard
  • A simulation team streaming global terrain and imagery into an Unreal Engine environmentnot Lonboard
  • An urban planning department publishing a city model that planners can inspect without desktop GIS softwarenot Lonboard
  • A software product embedding 3D geospatial views and needing hosted tiling rather than building a tilernot Lonboard

Lonboard

  • An analyst exploring a national road or parcel dataset in a notebook where pydeck or ipyleaflet becomes unusable at that sizenot Cesium ion
  • A researcher publishing a reproducible analysis where the visualisation must run from the same script as the processingnot Cesium ion
  • A data scientist joining spatial data to model outputs in pandas and needing to see the result immediately without exporting to a GISnot Cesium ion
  • A team building an internal analysis pipeline on GeoParquet that wants rendering without a serialisation step in the middlenot Cesium ion

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Cesium ion

  • Streaming is metered in gigabytes a month, so a public-facing application's cost is driven by visitor traffic you do not control, and a successful launch can blow through a tier immediately.
  • Reality modelling is billed in gigapixels a month, an unfamiliar unit that makes it hard to estimate in advance how many drone flights a plan will actually cover.
  • The free Community tier is restricted to non-commercial or open use, so a consultancy sharing a model with a paying client does not qualify regardless of how small the dataset is.
  • Team accounts cost substantially more than individual ones at the same quota, $524 against $149 on Commercial, so adding a second colleague is a large step rather than an incremental seat charge.
  • Self-hosting is available only under a custom enterprise agreement, which leaves organisations with data residency or air-gap requirements out of the published tiers entirely.

Lonboard

  • It is a notebook visualisation library, not a mapping application, so there is no editing, no layout, no map export for print and no sharing beyond distributing the notebook or an HTML file
  • Maintenance sits with Development Seed as an open source side output of a consultancy, so roadmap priorities follow client projects and there is no support contract to buy
  • Layer coverage is a subset of deck.gl, so an analyst needing a less common layer type has to drop to pydeck or write JavaScript rather than staying in Python
  • It expects data already in GeoPandas or Arrow form, which means the performance benefit depends on the rest of your pipeline being Arrow-friendly; reading a large Shapefile is still the slow step
  • Rendering happens in the browser, so very large datasets are ultimately limited by the client machine's memory and GPU rather than by the server, and a laptop will still fail on data a workstation handles

Pricing, plan by plan

Cesium ion

Free
  • CommunityFree
    • 5 GB storage
    • 15 GB per month streaming
    • 20 gigapixels per month reality modelling
  • Commercial$149/month
    • 50 GB storage
    • 150 GB per month streaming
    • 40 gigapixels per month reality modelling
  • Premium$499/month
    • 250 GB storage
    • 500 GB per month streaming
    • 100 gigapixels per month reality modelling
  • Custom$undefined/year
    • Negotiated quotas
    • Self-hosted deployment in your own environment
    • Enterprise support

Lonboard

Free
  • LonboardFree
    • Open source, no licence fee
    • No usage limits
    • Installed from PyPI or conda

Which should you pick?

Choose Cesium ion if

  • You need 3d tiles tiling.
  • You want to start without paying.
  • You work on Web, Cloud.
  • You also want global terrain and imagery.
Cesium ion review

Choose Lonboard if

  • You need geoarrow binary transfer.
  • You want to start without paying.
  • You work on Linux, macOS, Windows.
  • You also want geopandas input.
Lonboard review

Questions people ask

Is Cesium ion or Lonboard better?
Neither clearly leads. Cesium ion starts at Free and Lonboard at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cesium ion or Lonboard?
Cesium ion starts at Free and Lonboard at Free.
Does Cesium ion or Lonboard run on more platforms?
Cesium ion runs on Web, Cloud. Lonboard runs on Linux, macOS, Windows.
Can I use Cesium ion for free?
Both have a free tier, so you can try either at no cost before committing.
What is Cesium ion best used for?
Cesium ion is most often used for a survey firm delivering a photogrammetry mesh to a client as a browser link rather than a 40 gb download, a simulation team streaming global terrain and imagery into an unreal engine environment, an urban planning department publishing a city model that planners can inspect without desktop gis software, a software product embedding 3d geospatial views and needing hosted tiling rather than building a tiler. Of those, a survey firm delivering a photogrammetry mesh to a client as a browser link rather than a 40 gb download and a simulation team streaming global terrain and imagery into an unreal engine environment are not what Lonboard is typically brought in for.
What can Cesium ion do that Lonboard cannot?
Cesium ion covers 3D Tiles tiling, Global terrain and imagery, Google Photorealistic 3D Tiles, Cloud reality modelling. Lonboard covers GeoArrow binary transfer, GeoPandas input, deck.gl layers, Jupyter widget.

Answered from the vendors’ own pages

Cesium ion: How is Cesium ion priced?

By several meters at once: storage in gigabytes, streaming in gigabytes per month, and reality modelling in gigapixels per month. Commercial starts at $149 a month for an individual.

Lonboard: Why not just use pydeck?

pydeck serialises geometry to GeoJSON to reach the browser. Lonboard uses a binary GeoArrow pipeline, which is the reason it handles far larger datasets in the same notebook.

Cesium ion: Is the free tier usable commercially?

No. Community is for non-commercial or open use. Commercial work needs a paid plan.

Lonboard: Who maintains it?

Development Seed, a geospatial engineering consultancy, as an open source project. There is no commercial support offering.

Cesium ion: Can I run ion on my own infrastructure?

Only under a custom enterprise agreement negotiated with Cesium.

Lonboard: Does it work outside Jupyter?

It is built as a Jupyter widget. Exporting to standalone HTML is possible, but the intended environment is a notebook.

Cesium ion: Do I need Cesium ion to use CesiumJS?

No. CesiumJS is open source and free. ion provides hosted tiling, base layers and streaming that you would otherwise have to build.

Lonboard: Is it free for commercial use?

Yes, it is open source with no licence fee.

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