Software · head to head
Abstract vs PaintTool SAI

PaintTool SAI
Software
Lightweight digital painting and illustration software for Windows
- From
- 5500/month
- Rated
- -
The short version
- Only Abstract has a free tier, so it costs nothing to try first.
- Each has a real cost: Abstract the product appears to be gone. Its documentation path 404s, goabstract.com no longer resolves, and abstract.com now belongs to an unrelated venture capital firm; PaintTool SAI windows-only software with no native Mac or Linux version.
- They diverge on capability: Abstract covers Version control, PaintTool SAI covers Pressure-Sensitive Tablet Support.
Where they differ
Only the attributes on which Abstract and PaintTool SAI actually diverge.
| Attribute | Abstract | PaintTool SAI |
|---|---|---|
| Starting price | Free | 5500/month |
| Pricing model | subscription | one-time |
| Free tier | Yes | No |
| Platforms | Macos, Web | windows |
| Founded | 2015 | Unknown |
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 Abstract
- Version control
- Branching & merging
- Asset library
- Design tokens
- Collaboration
- File management
- Comments
- Activity tracking
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.
Abstract
- Design systemsnot PaintTool SAI
- Version controlnot PaintTool SAI
- Asset managementnot PaintTool SAI
- Team collaborationnot PaintTool SAI
PaintTool SAI
- Digital illustration and manga artnot Abstract
- Line art and inking with pressure-sensitive pensnot Abstract
- Lightweight painting on lower-spec computersnot Abstract
- Character and concept art sketchingnot Abstract
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Abstract
- The product appears to be gone. Its documentation path 404s, goabstract.com no longer resolves, and abstract.com now belongs to an unrelated venture capital firm
- Built around Sketch files, so it never covered teams that moved to Figma
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
Abstract
Free- FreeFree
- 1 shared library
- Basic version control
- 2 team members
- Pro$12/month
- Unlimited libraries
- Full version control
- Unlimited team members
- Enterprise$50/month
- Everything in Pro
- Advanced admin controls
- Compliance & security
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 Abstract if
- You need version control.
- You want to start without paying.
- You work on Macos, Web.
- You also want branching & merging.
Choose PaintTool SAI if
- You need pressure-sensitive tablet support.
- You work on windows.
- You also want anti-aliased brushes.
Questions people ask
- Is Abstract or PaintTool SAI better?
- Neither clearly leads. Abstract 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, Abstract or PaintTool SAI?
- Abstract has a free tier; the other does not. Paid plans start at Free for Abstract and 5500/month for PaintTool SAI.
- Does Abstract or PaintTool SAI run on more platforms?
- Abstract runs on Macos, Web. PaintTool SAI runs on windows.
- Can I use Abstract for free?
- Yes. Abstract has a free tier, so you can try it without paying. PaintTool SAI starts at 5500/month.
- What is Abstract best used for?
- Abstract is most often used for design systems, version control, asset management, team collaboration. Of those, design systems and version control are not what PaintTool SAI is typically brought in for.
- What can Abstract do that PaintTool SAI cannot?
- Abstract covers Version control, Branching & merging, Asset library, Design tokens. PaintTool SAI covers Pressure-Sensitive Tablet Support, Anti-Aliased Brushes, 16-bit ARGB Color Channels, Lightweight Performance.
Answered from the vendors’ own pages
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.
SourcePaintTool 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.
SourcePaintTool 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.
SourceRelated pages
More on PaintTool SAI
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