Head to head

FLUX vs Stable Diffusion

FLUX and Stable Diffusion both work in AI Image. Here is how they stack up on pricing, access, context and our editorial scores, and which one to pick.

Side by side

Tool
FLUXby Black Forest Labs4.4Setuproll editorial score
Tool
Stable Diffusionby Stability AI4.2Setuproll editorial score
PricingOpen SourceFree weights, paid hosted API
PricingOpen SourceFree, self-host
AccessLocal
AccessLocal
Contextn/a
Contextn/a
Open sourceYes
Open sourceYes
Best forOpen, photoreal image generation
Best forFully local, customisable image gen
Setuproll score4.4
Setuproll score4.2

The verdict

FLUX edges ahead overall, with a 4.4 Setuproll editorial score and a strong fit for open, photoreal image generation. Stable Diffusion is the better pick when you want fully local, customisable image gen, and it stays in the running on price and access. Most teams choose FLUX as the default and reach for Stable Diffusion when their workflow leans that way.

Frequently asked questions

Is FLUX or Stable Diffusion better?

FLUX holds a 4.4 Setuproll editorial score and is best for open, photoreal image generation, while Stable Diffusion holds a 4.2 and is best for fully local, customisable image gen. Pick FLUX for open, photoreal image generation and Stable Diffusion for fully local, customisable image gen.

What is the difference between FLUX and Stable Diffusion?

FLUX is reached as Local (open source) with n/a, while Stable Diffusion is reached as Local (open source) with n/a. They overlap on AI Image but lead in different parts of the workflow.

Is FLUX cheaper than Stable Diffusion?

FLUX is free weights, paid hosted api, and Stable Diffusion is free, self-host. Both have a path to start without a large upfront cost.

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