Software · head to head
CesiumJS vs Sea Machines

CesiumJS
Software
Open-source JavaScript library for creating 3D globes and 2D maps with support
- From
- Free
- Rated
- -
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; Sea Machines requires hardware fitted to the vessel; the autonomy systems are retrofits or new build installations rather than a software purchase
- They diverge on capability: CesiumJS covers Core Functionality, Sea Machines covers Autonomous control.
Where they differ
Only the attributes on which CesiumJS and Sea Machines actually diverge.
| Attribute | CesiumJS | Sea Machines |
|---|---|---|
| Starting price | Free | $50000/one-time |
| Pricing model | open-source | one-time |
| Free tier | Yes | No |
| Platforms | Web | Embedded, Web, Mobile |
| Founded | Unknown | 2015 |
Identical on both: 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 CesiumJS
- Core Functionality
- User Interface
Only in Sea Machines
- Autonomous control
- Remote operation
- Collision avoidance
- Pattern following
- Vessel systems
- Communication networks
- Shore-based control
- Embedded support
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 Sea Machines
- Tiling and hosting large geospatial and reality capture datasetsnot Sea Machines
Sea Machines
- Intelligent voyage and transit autonomy for workboatsnot CesiumJS
- Pattern autonomy for survey and repetitive route worknot CesiumJS
- Collision avoidance using the AI-ris computer vision sensornot CesiumJS
- Remote command and control of vessels, including in GPS denied environmentsnot CesiumJS
- Fleet management and telemetry through Fleetviewer and the SMLINK APIsnot CesiumJS
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
Sea Machines
- Requires hardware fitted to the vessel; the autonomy systems are retrofits or new build installations rather than a software purchase
- Targeted at vessels from 10 to 300 ft, so it does not address the largest commercial tonnage
- Pricing is not published and is arranged directly with the vendor
- The SM300-NG is the class-approved unit, so the cheaper SM300-SP does not carry the same approval
Pricing, plan by plan
CesiumJS
FreeNo published plan breakdown. See the CesiumJS review.
Sea Machines
$50000/one-time- SM300$75000/one-time
- Autonomous control
- Collision avoidance
- Remote operation
Which should you pick?
Choose CesiumJS if
- You need core functionality.
- You want to start without paying.
- You also want user interface.
Choose Sea Machines if
- You need autonomous control.
- You work on Embedded, Web, Mobile.
- You also want remote operation.
Questions people ask
- Is CesiumJS or Sea Machines better?
- Neither clearly leads. CesiumJS starts at Free and Sea Machines at $50000/one-time, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, CesiumJS or Sea Machines?
- CesiumJS has a free tier; the other does not. Paid plans start at Free for CesiumJS and $50000/one-time for Sea Machines.
- Does CesiumJS or Sea Machines run on more platforms?
- CesiumJS runs on Web. Sea Machines runs on Embedded, Web, Mobile.
- Can I use CesiumJS for free?
- Yes. CesiumJS has a free tier, so you can try it without paying. Sea Machines starts at $50000/one-time.
- 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 Sea Machines is typically brought in for.
- What can CesiumJS do that Sea Machines cannot?
- CesiumJS covers Core Functionality, User Interface. Sea Machines covers Autonomous control, Remote operation, Collision avoidance, Pattern following.
Related pages
More on Sea Machines
Keep looking
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