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Tools · Comparison

Palette.fm vs Stable Diffusion vs Upscayl

All three are image generation tools. Here is what separates them.

Palette.fmStable DiffusionUpscayl
What it isColorize your black and white images within seconds. Try our online AI colorize tool for free, no sign-up needed.Stability AI is the enterprise-ready creative partner for teams and creators, delivering professional-grade generative AI tools and solutions for content production at scale.The #1 Free and Open Source AI Image Upscaler for Linux, MacOS and Windows. Upscayl uses the power of AI to upscale your images with the best quality possible.
CategoryImage GenerationImage GenerationImage Generation
PricingFreemium · $6/moFree · Free (self-hosted)Paid · $40/mo
How it billsFlat monthlyFreeFlat monthly
Free tierYesYesNo
RatingNot yet rated4.4 from 5,200 reviewsNot yet rated
Features
  • 21+ Color filters
  • “Remarkably accurate”
  • “World’s best AI to color B&W photos”
  • - PiXimperfect, Photoshop Expert, 4M Subscribers on YouTube
  • “In a league of its own”
  • - Bycloud, AI Expert, 112K Subscribers on YouTube
  • Open-source model
  • Local execution
  • LoRA fine-tuning
  • ControlNet support
  • ComfyUI workflows
  • Inpainting & outpainting
  • Model merging
  • Community models
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What works
  • Has a free tier, so it can be tried before paying
  • Publishes its price openly — $6/mo
  • The vendor lists 6 distinct capabilities
  • Sits in Image Generation, one of the better-covered categories here — easy to compare
  • Completely free to use
  • Full customization
  • No content restrictions
  • Large community
  • Runs locally
  • Publishes its price openly — $40/mo
  • Sits in Image Generation, one of the better-covered categories here — easy to compare
What does not
  • 133 other tools in this catalogue claim to do the same job
  • The vendor describes it only briefly, so what it does is not fully clear from their own site
  • Requires GPU hardware
  • Complex setup
  • Steeper learning curve
  • Quality varies by model
  • No free tier — it has to be paid for before it can be tried
  • 133 other tools in this catalogue claim to do the same job
  • 48 tools in the same category have a free tier
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