Stable Diffusion

stability.ai

Open-source image model you can run locally or fine-tune freely.

Overview

Stable Diffusion is Stability AI’s open-source text-to-image model family. Because the weights are open, it can run locally, be fine-tuned, and power countless third-party apps — the backbone of the open image-generation ecosystem.

Key Features

  • Open weights, run locally
  • Fine-tuning and LoRA support
  • Huge community model ecosystem
  • Full control over generation
  • No per-image cloud cost when self-hosted

Pricing

PlanPriceFor
Self-hosted$0Own hardware
API/CloudUsage-basedNo local GPU

Comparison

Compared to Midjourney, Stable Diffusion offers total control and local/free generation, but requires more setup and skill for top results.

Compare alternatives

Side-by-side with the 3 closest alternatives.

ToolCategoryPricingVisit
Stable Diffusion (this) imageFrom $0/mo Site ↗
MidjourneyimageFrom $10/mo Site ↗
DALL·E 3imageFree $0 · From $20/mo Site ↗
Adobe Fireflyimage, designFree $0 · From $9.99/mo Site ↗

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Editor’s Review
4.5/5
Pros
  • +Open-weight models you can self-host
  • +Huge community and ControlNet ecosystem
  • +Runs locally for full privacy
Cons
  • Setup is technical (ComfyUI/Automatic1111)
  • Prompting has a steep learning curve

Our take: still the open-standard image model — pair it with a UI like ComfyUI and you get unlimited local generation, at the cost of real setup effort.

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