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Comparison · Gaussian splatting tools

Neurones 3D vs SuperSplat

Looking for a SuperSplat alternative? Neurones 3D is free, offline point cloud and Gaussian splatting software for Windows: the free viewer runs every process, from AI classification to dimensioned floor plans, and a one-time paid edition saves the results.

SuperSplat is PlayCanvas’s open-source, browser-based platform for inspecting, cleaning, converting, publishing and sharing Gaussian splats, with the splat-transform command line tool for scripted conversions.

By Dr. Florent Poux, maker of Neurones 3D · SuperSplat's facts from PlayCanvas Ltd's own documentation, checked

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The short answer

Choose Neurones 3D when a splat has to become survey data: a point cloud you can classify, a section, a measurement or a floor plan in DXF, beside laser scans and offline on your own PC. Choose SuperSplat when the goal is a clean splat on the web: it is free, runs in any modern browser, edits and compresses splats and publishes them for anyone to view. They complement each other: clean and publish the splat in SuperSplat, and take the same PLY or SPZ into Neurones 3D for the drawings and analysis.

At a glance

Neurones 3DSuperSplat
Runs onWindows 10 and 11 (64-bit)Web browser (installable as an app from the browser)
Where it runsdesktopweb
Licencefree viewer + one-time paid editionsfree and open source (MIT)
PriceFree viewer; paid editions bought once, no subscriptionFree source
Free useThe free viewer opens, views and runs every process; writing results out needs a paid editionThe editor is free and open source under the MIT licence

Feature by feature

"Not stated" means we could not find it in PlayCanvas Ltd's documentation, not that it is missing. Each of SuperSplat's cells links to where we read it.

CapabilityNeurones 3DSuperSplat
Runs fully offlineYesNo account, no internet connection, no telemetryPartlyRuns in the browser and uploads nothing until you publish; can be installed as an app from the browser source
One-time licence availableYesBought once; no subscriptionYesFree and open source under MIT; nothing to buy source
Opens LAS/LAZ and E57YesLAS, LAZ, COPC, E57, PLY, PCD and more; a 127.8 M point E57 opens in about 22 sNot stated
Scan registrationPartlyCloud-to-cloud alignment (ICP and graph matching, no initial placement needed), RMS shown with the inlier sharePartlyIndependently captured splats are aligned by hand with move, rotate and scale source
AI point cloud classificationYesFour trained models ship in every build: indoor, aerial LiDAR, powerline, streetscape; a confidence per pointNot stated
SegmentationYesUnsupervised segmentation, primitive decomposition, components, roomsNot stated
Automatic floor plansYesAutomatic, dimensioned, with sections and elevationsNot stated
DXF / CAD drawingsYesDXF R2000, SVG and PDF; no DWGNot stated
DTM / DSMYesDTM, DSM, CHM, slope, aspect, hillshade on one gridNot stated
Contour linesYesContours that cannot crossNot stated
Change detectionYesM3C2 with a 95 % level of detection; cloud-to-cloud and cloud-to-BIM deviationNot stated
MeshingYesPoisson and clean meshing; the clean mesh is closed, not edge-manifoldAdd-onThe splat-transform tool voxelises a scene into a collision mesh (.collision.glb) source
Gaussian splatsYesOpens PLY and SPZ splats, converts them to points, meshes them; does not train splatsYesImports PLY, SOG, SPZ, SPLAT, KSPLAT, LCC; exports PLY, SOG, SPZ, SPLAT and an HTML viewer; does not train source
ReportsYesSelf-contained HTML reports with provenanceNot stated
Scripting / SDKYesEngine & SDK edition: Python package and headless command lineYessplat-transform CLI and library (MIT) and the supersplat-viewer npm package source

Where Neurones 3D is stronger

  • Converts a splat to a real point cloud, then draws a dimensioned floor plan saved as DXF R2000, SVG and PDF.
  • Classifies the converted cloud with trained models (indoor, aerial LiDAR, powerline, streetscape), with a confidence per point.
  • Registers two captures automatically by cloud-to-cloud alignment, where SuperSplat aligns splats by hand.
  • Opens LAS, LAZ and E57 laser scans, so a splat and a scan can be compared in one scene.
  • Meshes splats to a three-level glTF LOD chain, and to Poisson or clean meshes through the point cloud.

Where SuperSplat is stronger

  • SuperSplat is free and open source, and runs in a browser with nothing to install; Neurones 3D is Windows only.
  • SuperSplat publishes and hosts splats on superspl.at, with compressed SOG, streamed LOD and a single-file HTML viewer for the web.
  • Neither tool trains splats, but SuperSplat has a full splat editor for cleaning, colour grading and camera animation.

Who should choose which

Choose Neurones 3D to take a point cloud or a splat capture to a finished deliverable on your own machine: classified LAS, a dimensioned floor plan with sections and elevations in DXF, a DTM with contours, a change map or a report, without an account, an upload or a subscription. Every figure it publishes is measured; see the benchmarks.

Choose SuperSplat: Anyone who needs to clean up, compress and publish a splat on the web for free, and share it as a scene page or a single-file HTML viewer.

Questions

Is SuperSplat free?

SuperSplat: Free. Free use: The editor is free and open source under the MIT licence. Neurones 3D’s free viewer opens, views and runs every process; writing results out needs a paid edition bought once.

Does SuperSplat work offline?

SuperSplat: partly. Runs in the browser and uploads nothing until you publish; can be installed as an app from the browser. Neurones 3D: yes. No account, no internet connection, no telemetry.

Does SuperSplat support Gaussian splats?

SuperSplat: yes. Imports PLY, SOG, SPZ, SPLAT, KSPLAT, LCC; exports PLY, SOG, SPZ, SPLAT and an HTML viewer; does not train. Neurones 3D: yes. Opens PLY and SPZ splats, converts them to points, meshes them; does not train splats.

What is the best alternative to SuperSplat?

Choose Neurones 3D when a splat has to become survey data: a point cloud you can classify, a section, a measurement or a floor plan in DXF, beside laser scans and offline on your own PC. Choose SuperSplat when the goal is a clean splat on the web: it is free, runs in any modern browser, edits and compresses splats and publishes them for anyone to view. They complement each other: clean and publish the splat in SuperSplat, and take the same PLY or SPZ into Neurones 3D for the drawings and analysis.

How this comparison was made

Written by the maker of Neurones 3D, so read it as such. SuperSplat's column comes only from PlayCanvas Ltd's published documentation and listings, read on 2026-09-24; where we found nothing, the cell says "not stated". Neurones 3D's column comes from its own guides, which give the limits too. If something here is wrong or out of date, write to howto@learngeodata.eu and it will be corrected.

Sources:

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About

Why Neurones 3D exists.

Standing inside a 43.5 million point indoor laser scan rendered by Neurones 3D

I have spent years working with point clouds, and for most of them the software got in the way. I wanted one tool I would actually reach for every day: fast enough to enjoy, honest about what it does, and calm to use.

Neurones 3D started in Python, the way most of my research does. It worked, but it was heavy, and heavy tools quietly discourage you from opening them. So I rebuilt everything in Rust, from the file readers to the renderer, with one rule: stay frugal. A single small file, no cloud, no telemetry, billions of points on a laptop that is ten years old. In an age where every tool reaches for a data center, I wanted the opposite.

The goal is simple to say and hard to earn. One package that carries you from capture to understanding to deliverable, without exporting to five other programs along the way. Load a scan, a splat, a building, a phone video. See it, classify it, measure it, and send out something real. Together, in one place.

This is the tool I always wanted. I hope it becomes yours too.

Dr. Florent Poux 3D Geodata Academy

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