Stability AI
FreemiumThe power-user choice - run it locally for free or use the API for pennies per image, but you'll need technical chops.
Visit Stability AI→Overview
Stability AI is the open-source backbone of the entire AI image ecosystem - Stable Diffusion models power thousands of third-party tools, ComfyUI workflows, and local setups globally.
Pricing
Free API trial credits, Core API $20/mo, Growth $80/mo. SD models also free via open source.
Pros
- +Fully open source models you can run locally for free
- +API is cost-competitive vs. proprietary alternatives
- +Most customizable image model in the world via LoRA/ControlNet
- +No content restrictions when run locally
Cons
- -Self-hosted setup requires GPU and technical knowledge
- -Hosted platform UI is inferior to Leonardo or Ideogram
- -API documentation lags behind product updates
- -Business model has been turbulent - company had financial struggles
Score Breakdown
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