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Tools · Comparison

Img Upscaler vs Palette.fm vs Stable Diffusion

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

Img UpscalerPalette.fmStable Diffusion
What it isUpscale images online with ImgUpscaler. Start free to enlarge photos by 2x or 4x, improve clarity, and create sharper images for web, print, and creative work.Colorize 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.
CategoryImage GenerationImage GenerationImage Generation
PricingFreemium · $9.9 - $19.9/moFreemium · $6/moFree · Free (self-hosted)
How it billsFlat monthlyFlat monthlyFree
Free tierYesYesYes
RatingNot yet ratedNot yet rated4.4 from 5,200 reviews
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
What works
  • Has a free tier, so it can be tried before paying
  • Publishes its price openly — $9.9 - $19.9/mo
  • Sits in Image Generation, one of the better-covered categories here — easy to compare
  • 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
What does not
  • 133 other tools in this catalogue claim to do the same job
  • 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
Visit Img UpscalerVisit Palette.fmVisit Stable DiffusionCompare more tools