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Head-to-head · AI Image Generators

Leonardo.Ai vs AUTOMATIC1111 Stable Diffusion WebUI

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Leonardo.Ai #5 in AI Image Generators 9.1/10 Free plan Free plan✓ 4 of 4 features Visit Leonardo.Ai
AUTOMATIC1111 Stable Diffusion WebUI #7 in AI Image Generators 8.9/10 Free plan Free plan✓ 4 of 4 features Visit AUTOMATIC1111

Leonardo.Ai leads on 0 checks, AUTOMATIC1111 Stable Diffusion WebUI on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreLeonardo.Ai · 9.1/10
  • Free planboth

Leonardo.Ai scores higher on our rubric for ai image generators: 9.1 against 8.9 out of 10; our editors rank them #5 and #7.

Leonardo.Ai is the better fit for high-volume creators and custom model training. AUTOMATIC1111 Stable Diffusion WebUI is the better fit for free local Stable Diffusion experimentation.

  • Leonardo.Ai fits best

    High-volume creators and custom model training

  • AUTOMATIC1111 Stable Diffusion WebUI fits best

    Free local Stable Diffusion experimentation

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Side by side

Feature Leonardo.Ai 9.1/10 Visit ↗ AUTOMATIC1111 Stable Diffusion WebUI 8.9/10 Visit ↗
At a glance
Editor score 9.1 8.9
Ranking #5 in AI Image Generators #7 in AI Image Generators
Best for High-volume creators and custom model training Free local Stable Diffusion experimentation
Pricing model Free plan + paid Free
Starting price — Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud Self-hosted
Platforms Web Web, Windows, macOS, Linux
Support Email, Live chat, Docs Community, Docs
Integrations 4 integrations 7 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market
Features Leonardo.Ai 4/4 · AUTOMATIC1111 Stable Diffusion WebUI 4/4
Text-to-image ✓ ✓
Reference images ✓ ✓
Image editing ✓ ✓
API access ✓ ✓
Specs
Monthly credits 8500 credits/mo Not checked yet
Commercial use Included Not checked yet
Output formats png, jpg, jpeg, webp PNG, JPEG
Our review
Pros
  • 8,500 fast tokens and 10 personal AI models on Essential
  • Reference controls, editing, inpainting, outpainting, and upscaling
  • Web platform, developer API, and Canva integration
  • Text-to-image, image-to-image, inpainting, and outpainting workflows
  • Batch processing, model controls, prompt tools, and upscaling
  • HTTP API plus integrations for restoration and super-resolution
Cons
  • Free creations are public and have limited generation and editing access
  • Relaxed image and video generation is limited to selected models
  • Higher-volume workflows require Premium or Ultimate plans
  • Requires self-hosted installation on a supported operating system
  • Model licenses may differ from the software's AGPL-3.0 license
  • Broad controls can demand more configuration than a narrow image tool
Our verdict

Leonardo.Ai is a generative AI platform for creators, designers, marketers, artists, and teams. It supports text-to-image generation, uploaded and generated image references, character and style controls, prompt-based editing, canvas…

Read the review →

AUTOMATIC1111 Stable Diffusion WebUI is an open-source, self-hosted browser interface for generating and transforming images with Stable Diffusion models. It suits creators, developers, and technical teams who want local control over…

Read the review →
  1. Leonardo.AiAI Image Generators 9.1Free plan
  2. AUTOMATIC1111 Stable Diffusion WebUIAI Image Generators 8.9Free plan

Strengths and trade-offs

  • Leonardo.Ai — where it wins

    • 8,500 fast tokens and 10 personal AI models on Essential
    • Reference controls, editing, inpainting, outpainting, and upscaling
    • Web platform, developer API, and Canva integration

    Where it doesn't

    • Free creations are public and have limited generation and editing access
    • Relaxed image and video generation is limited to selected models
    • Higher-volume workflows require Premium or Ultimate plans

  • AUTOMATIC1111 Stable Diffusion WebUI — where it wins

    • Text-to-image, image-to-image, inpainting, and outpainting workflows
    • Batch processing, model controls, prompt tools, and upscaling
    • HTTP API plus integrations for restoration and super-resolution

    Where it doesn't

    • Requires self-hosted installation on a supported operating system
    • Model licenses may differ from the software's AGPL-3.0 license
    • Broad controls can demand more configuration than a narrow image tool

More comparisons

All AI image generators comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update