Lexica vs Stable Diffusion

A side-by-side comparison of Lexica and Stable Diffusion — pricing, free tiers, and who each tool is genuinely best for.

	Lexica	Stable Diffusion
Tagline	Stable Diffusion search engine and image generator	Open-source image models you can run, fine-tune, and self-host
Category	AI Image Generation	AI Image Generation
Pricing	Free tier: ~100 generations/mo. Paid plans from ~$10/mo (Starter) to ~$60/mo (Max). Annual billing saves ~20%.	Open weights free to self-host; Stability API and membership plans from ~$20/mo, usage-based credits
Free tier
Best for	Prompters who want to discover and study effective Stable Diffusion prompts while also having a fast generator to test them.	Developers and power users who want open weights, fine-tuning, and self-hosting control.
Not for	Users who need the latest frontier models or very high generation volume — Lexica uses its own Aperture model.	Non-technical users who want a polished, zero-setup point-and-click experience.
Use cases	Search images by visual style Study prompts for an aesthetic Generate with the Aperture model Find prompt inspiration	Self-hosted image generation Model fine-tuning with LoRA Custom app integration Batch generation On-device generation
	Visit Lexica	Visit Stable Diffusion

Choose it if: Prompters who want to discover and study effective Stable Diffusion prompts while also having a fast generator to test them.

Choose it if: Developers and power users who want open weights, fine-tuning, and self-hosting control.