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Blender vs PaintTool SAI

Blender logo

Blender

Software

Free and Open Source 3D Creation Suite

From
Free
Rated
-
Full reviewWebsite
PaintTool SAI logo

PaintTool SAI

Software

Lightweight digital painting and illustration software for Windows

From
5500/month
Rated
-
Full reviewWebsite

The short version

  • Only Blender has a free tier, so it costs nothing to try first.
  • Each has a real cost: Blender rendering performance lags behind dedicated render engines; PaintTool SAI windows-only software with no native Mac or Linux version.
  • They diverge on capability: Blender covers 3D modeling, PaintTool SAI covers Pressure-Sensitive Tablet Support.

Where they differ

Only the attributes on which Blender and PaintTool SAI actually diverge.

Attributes where Blender and PaintTool SAI differ
AttributeBlenderPaintTool SAI
Starting priceFree5500/month
Pricing modelUnknownone-time
Free tierYesNo
PlatformsWeb, Windows, macOS, Linuxwindows
Founded2002Unknown

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 Blender

  • 3D modeling
  • Sculpting
  • Animation
  • Rigging
  • Rendering
  • Compositing
  • Video editing
  • 2D animation

Only in PaintTool SAI

  • Pressure-Sensitive Tablet Support
  • Anti-Aliased Brushes
  • 16-bit ARGB Color Channels
  • Lightweight Performance
  • Crash Data Protection

What people use each for

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

Blender

  • 3D modeling and animationnot PaintTool SAI
  • Visual effectsnot PaintTool SAI
  • Game developmentnot PaintTool SAI
  • Architectural visualizationnot PaintTool SAI
  • Video editingnot PaintTool SAI

PaintTool SAI

  • Digital illustration and manga artnot Blender
  • Line art and inking with pressure-sensitive pensnot Blender
  • Lightweight painting on lower-spec computersnot Blender
  • Character and concept art sketchingnot Blender

Where each one falls short

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

Blender

  • Rendering performance lags behind dedicated render engines
  • Limited real-time viewport performance for very large scenes

PaintTool SAI

  • Windows-only software with no native Mac or Linux version.
  • Only supports 32-bit operation, lacking modern 64-bit performance benefits.
  • Lacks the advanced brush engine customization and layer effects found in tools like Photoshop or Clip Studio Paint.
  • No cloud sync or mobile app, unlike many modern illustration tools.

Pricing, plan by plan

Blender

Free

No published plan breakdown. See the Blender review.

PaintTool SAI

5500/month
  • Standard License$5500/month
    • Perpetual license
    • All 1.x.x minor updates
    • Free upgrade path to version 2

Which should you pick?

Choose Blender if

  • You need 3d modeling.
  • You want to start without paying.
  • You work on Web, Windows, macOS, Linux.
  • You also want sculpting.
Blender review

Choose PaintTool SAI if

  • You need pressure-sensitive tablet support.
  • You work on windows.
  • You also want anti-aliased brushes.
PaintTool SAI review

Questions people ask

Is Blender or PaintTool SAI better?
Neither clearly leads. Blender starts at Free and PaintTool SAI at 5500/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Blender or PaintTool SAI?
Blender has a free tier; the other does not. Paid plans start at Free for Blender and 5500/month for PaintTool SAI.
Does Blender or PaintTool SAI run on more platforms?
Blender runs on Web, Windows, macOS, Linux. PaintTool SAI runs on windows.
Can I use Blender for free?
Yes. Blender has a free tier, so you can try it without paying. PaintTool SAI starts at 5500/month.
What is Blender best used for?
Blender is most often used for 3d modeling and animation, visual effects, game development, architectural visualization. Of those, 3d modeling and animation and visual effects are not what PaintTool SAI is typically brought in for.
What can Blender do that PaintTool SAI cannot?
Blender covers 3D modeling, Sculpting, Animation, Rigging. PaintTool SAI covers Pressure-Sensitive Tablet Support, Anti-Aliased Brushes, 16-bit ARGB Color Channels, Lightweight Performance.

Answered from the vendors’ own pages

Blender: Can I use Blender commercially for free?

Yes. Blender is distributed under the GNU GPL license, meaning it is completely free to use for any purpose, including commercially or for education, with no licensing fees or restrictions.

Source
PaintTool SAI: Is there a free trial for PaintTool SAI?

Yes, PaintTool SAI offers a 31-day free trial with full functionality before requiring purchase of a license.

Source
Blender: What operating systems does Blender support?

Blender is cross-platform and runs equally well on Linux, Windows, and Macintosh computers.

Source
PaintTool SAI: What does the license cover?

The one-time 5,500 JPY purchase provides a perpetual license covering all minor updates within version 1.x.x; a major version 2 upgrade is offered for free.

Source
Blender: Can I extend Blender's functionality?

Yes. Blender has a flexible Python-controlled interface and you can use hundreds of add-ons by the community or create your own using Blender's accessible Python API.

Source
PaintTool SAI: What operating systems are supported?

PaintTool SAI runs on Windows XP through Windows 11, but only in 32-bit mode, requiring at least a 450MHz Pentium processor and 256MB of RAM.

Source
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