What is Juggernaut Flux?

A photorealism-focused Flux fine-tune, continuing the Juggernaut series that began on SDXL. It is tuned for skin, hair and portrait lighting.

Is Juggernaut Flux good for portraits?

That is what it is for. It holds skin texture and natural falloff better than base Flux, which tends to smooth faces.

Do I need a GPU to run Juggernaut Flux?

No. It runs server-side here, so a browser is all that is required.

Juggernaut Flux — AI image generator

The photoreal Flux tune, best known for skin and portrait detail.

Juggernaut is one of the better known photorealism fine-tunes, carried over to Flux from its earlier SDXL versions. It is tuned hard toward believable skin texture, hair detail and portrait lighting rather than toward illustration or stylised work.

Reach for it when the subject is a person and the failure mode you care about is plastic-looking skin. It holds pore-level texture and natural falloff better than base Flux, which tends to smooth faces toward a rendered look. Output is open weights, but the reason to choose it is the photorealism rather than the lack of a filter.

What Juggernaut Flux is good for

Photoreal portraits and believable skin texture
Natural portrait lighting rather than studio gloss
A Flux tune with SDXL-era Juggernaut character

Worth knowing before you spend credits

It is a portrait specialist. For landscapes, product shots or graphic work the general Flux models or Seedream v4 will usually beat it.

Juggernaut Flux specifications

Price	177 credits — about 16c
Type	Image
Provider	fal
Aspect ratios (13)	1:1, 4:3, 16:9, 3:2, 19.5:9, 20:9, 2:1, 3:4, 9:16, 2:3, 9:19.5, 9:20, 1:2
Resolutions	1k, 2k

Credit prices are the live studio rates. Cash equivalents are approximate at starter-pack rates and improve on the larger packs — see pricing.

Questions

What is Juggernaut Flux?: A photorealism-focused Flux fine-tune, continuing the Juggernaut series that began on SDXL. It is tuned for skin, hair and portrait lighting.
Is Juggernaut Flux good for portraits?: That is what it is for. It holds skin texture and natural falloff better than base Flux, which tends to smooth faces.
Do I need a GPU to run Juggernaut Flux?: No. It runs server-side here, so a browser is all that is required.

Compare with other image models

Juggernaut Flux vs Realistic Vision — 22 credits against 177
Juggernaut Flux vs Lustly AI (Flux Lustly) — 177 credits against 177

Every AI model on comfyarts — image models, prices and measured capabilities side by side.