Head to head

FLUX vs Spline

FLUX and Spline 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
Splineby Spline4.6Setuproll editorial score
PricingOpen SourceFree weights, paid hosted API
PricingFreemiumFree tier + paid plans
AccessLocal
AccessWeb app
Contextn/a
Contextn/a
Open sourceYes
Open sourceNo
Best forOpen, photoreal image generation
Best forbrowser 3D in ai 3d
Setuproll score4.4
Setuproll score4.6

The verdict

Spline edges ahead overall, with a 4.6 Setuproll editorial score and a strong fit for browser 3d in ai 3d. FLUX is the better pick when you want open, photoreal image generation, and it stays in the running on price and access. Most teams choose Spline as the default and reach for FLUX when their workflow leans that way.

Frequently asked questions

Is FLUX or Spline better?

FLUX holds a 4.4 Setuproll editorial score and is best for open, photoreal image generation, while Spline holds a 4.6 and is best for browser 3d in ai 3d. Pick FLUX for open, photoreal image generation and Spline for browser 3d in ai 3d.

What is the difference between FLUX and Spline?

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

Is FLUX cheaper than Spline?

FLUX is free weights, paid hosted api, and Spline is free tier + paid plans. FLUX is open source, so it can be the cheaper option if you self-host.

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