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Arnold vs PrusaSlicer

Arnold logo

Arnold

CAD

Advanced Monte Carlo ray tracing renderer

From
$29/month
Rated
-
Full reviewWebsite
PrusaSlicer logo

PrusaSlicer

CAD

Feature-rich 3D printing slicer

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only PrusaSlicer has a free tier, so it costs nothing to try first.
  • Each has a real cost: Arnold the Internet Archive's capture of Autodesk's Arnold overview page on 30 December 2022 stated a subscription can be installed on up to 3 computers or devices, though only the named user may run it on one machine at a time, and includes access to the 3 previous major versions.; PrusaSlicer limited to slicing workflow only; no interactive 3D design capabilities
  • They diverge on capability: Arnold covers Ray tracing, PrusaSlicer covers Automatic supports.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Arnold and PrusaSlicer actually diverge.

Attributes where Arnold and PrusaSlicer differ
AttributeArnoldPrusaSlicer
Starting price$29/monthFree
Pricing modelsubscriptionfree
Free tierNoYes
Founded19982012

Identical on both: platforms (Windows, MacOS, Linux), user rating (Not yet rated), category (CAD).

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 Arnold

  • Ray tracing
  • GPU rendering
  • Production shading
  • OSL
  • Denoising
  • Maya
  • 3ds Max
  • Cinema 4D

Only in PrusaSlicer

  • Automatic supports
  • Multi-material
  • Variable layer height
  • Custom G-code
  • Paint-on supports
  • Ironing
  • Prusa printers
  • Most FDM printers

Both cover

  • Windows support
  • MacOS support
  • Linux support

What people use each for

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

Arnold

  • Film productionnot PrusaSlicer
  • Animationnot PrusaSlicer
  • VFXnot PrusaSlicer

PrusaSlicer

  • Preparation of STL models for 3D printingnot Arnold
  • Multi-material printing preparationnot Arnold
  • G-code generation and customisation via macrosnot Arnold

Where each one falls short

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

Arnold

  • The Internet Archive's capture of Autodesk's Arnold overview page on 30 December 2022 stated a subscription can be installed on up to 3 computers or devices, though only the named user may run it on one machine at a time, and includes access to the 3 previous major versions.

PrusaSlicer

  • Limited to slicing workflow only; no interactive 3D design capabilities
  • Designed for RepRap-based printers; compatibility with other printer architectures varies

Pricing, plan by plan

Arnold

$29/month
  • Arnold$360/month
    • Standalone renderer

PrusaSlicer

Free

No published plan breakdown. See the PrusaSlicer review.

Which should you pick?

Choose Arnold if

  • You need ray tracing.
  • You work on Windows, MacOS, Linux.
  • You also want gpu rendering.
Arnold review

Choose PrusaSlicer if

  • You need automatic supports.
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want multi-material.
PrusaSlicer review

Questions people ask

Is Arnold or PrusaSlicer better?
Neither clearly leads. Arnold starts at $29/month and PrusaSlicer at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Arnold or PrusaSlicer?
PrusaSlicer has a free tier; the other does not. Paid plans start at $29/month for Arnold and Free for PrusaSlicer.
Does Arnold or PrusaSlicer run on more platforms?
Arnold runs on Windows, MacOS, Linux. PrusaSlicer runs on Windows, macOS, Linux.
Can I use PrusaSlicer for free?
Yes. PrusaSlicer has a free tier, so you can try it without paying. Arnold starts at $29/month.
What is Arnold best used for?
Arnold is most often used for film production, animation, vfx. Of those, film production and animation are not what PrusaSlicer is typically brought in for.
What can Arnold do that PrusaSlicer cannot?
Arnold covers Ray tracing, GPU rendering, Production shading, OSL. PrusaSlicer covers Automatic supports, Multi-material, Variable layer height, Custom G-code. Both handle Windows support, MacOS support, Linux support.

Answered from the vendors’ own pages

Arnold: How much does Autodesk Arnold cost?

Autodesk Arnold pricing is not published on the vendor website. Arnold is available through Autodesk subscription plans or standalone licensing. Customers should contact Autodesk directly for pricing quotes.

Source
PrusaSlicer: How much does PrusaSlicer cost?

PrusaSlicer is completely free and open-source software developed by Prusa Research.

Source
Arnold: Is Arnold free for educational use?

Yes, Autodesk provides free educational licenses for Arnold to students and educators. Educational access allows learning of professional rendering capabilities at no cost.

Source
Arnold: What does Arnold render?

Autodesk Arnold is an industry-standard photorealistic rendering engine used for visual effects, animation, and design visualization. It supports GPU and CPU rendering with advanced features for film, television, and product design.

Source
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