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Maps · head to head

CesiumJS vs Kepler.gl

CesiumJS logo

CesiumJS

Maps

Open-source JavaScript library for creating 3D globes and 2D maps with support

From
Free
Rated
-
Full reviewWebsite
Kepler.gl logo

Kepler.gl

Maps

Powerful open-source geospatial analysis tool for large-scale datasets, enabling beautiful data visualizations without coding

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only CesiumJS has a free tier, so it costs nothing to try first.
  • Each has a real cost: CesiumJS the free Community tier does not permit commercial use; Kepler.gl kepler.gl is a free open source library with no vendor-sold edition; confirmed by the absence of any App Store, marketplace or G-Cloud listing, support is limited to community GitHub issues rather than a purchased SLA.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which CesiumJS and Kepler.gl actually diverge.

Attributes where CesiumJS and Kepler.gl differ
AttributeCesiumJSKepler.gl
Starting priceFreeOn request
Pricing modelopen-sourcefreemium
Free tierYesNo

Identical on both: platforms (Web), 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 CesiumJS

Nothing recorded that Kepler.gl does not also cover.

Only in Kepler.gl

Nothing recorded that CesiumJS 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.

CesiumJS

  • Streaming 3D terrain, imagery and building data into web applicationsnot Kepler.gl
  • Tiling and hosting large geospatial and reality capture datasetsnot Kepler.gl

Kepler.gl

No use cases recorded yet. See the Kepler.gl review.

Where each one falls short

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

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

Kepler.gl

  • Kepler.gl is a free open source library with no vendor-sold edition; confirmed by the absence of any App Store, marketplace or G-Cloud listing, support is limited to community GitHub issues rather than a purchased SLA.

Pricing, plan by plan

CesiumJS

Free

No published plan breakdown. See the CesiumJS review.

Kepler.gl

On request

No published plan breakdown. See the Kepler.gl review.

Which should you pick?

Choose CesiumJS if

  • You want to start without paying.
CesiumJS review

Choose Kepler.gl if

Nothing in the data separates Kepler.gl from CesiumJS on the points above - pick on price and on how each one feels to use.

Kepler.gl review

Questions people ask

Is CesiumJS or Kepler.gl better?
Neither clearly leads. CesiumJS starts at Free and Kepler.gl at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, CesiumJS or Kepler.gl?
CesiumJS has a free tier; the other does not. Paid plans start at Free for CesiumJS and On request for Kepler.gl.
Does CesiumJS or Kepler.gl run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use CesiumJS for free?
Yes. CesiumJS has a free tier, so you can try it without paying. Kepler.gl starts at On request.
What is CesiumJS best used for?
CesiumJS is most often used for streaming 3d terrain, imagery and building data into web applications, tiling and hosting large geospatial and reality capture datasets. Of those, streaming 3d terrain, imagery and building data into web applications and tiling and hosting large geospatial and reality capture datasets are not what Kepler.gl is typically brought in for.

Answered from the vendors’ own pages

CesiumJS: Is Cesium ion free for commercial use?

Cesium offers a free Cesium ion community account, but the page does not explicitly state whether the free tier is permitted for commercial use or if restrictions apply to business applications.

Source
CesiumJS: What are the limits of the free Cesium ion community account?

The page only mentions that a free community account is available but does not disclose usage limits, storage quotas, or feature restrictions for the free tier.

Source
CesiumJS: What do paid Cesium ion tiers cost?

The page does not provide specific pricing for paid tiers. It directs users to sign up for a free community account or contact Cesium directly for detailed pricing information.

Source
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