Flux

Open-weight image models with the strongest geometry retention and native LoRA training.

Models in this family

Flux.2 Pro

INPAINT

I2I

T2I

api

4 / 5

The hosted tier. Better material realism than Klein, but you cannot train it on your own work.

Flux.2 Klein

INPAINT

I2I

T2I

open-weights

4 / 5

Strong geometry retention and trainable on your own style. The current default for serious archviz.

Flux.1 Pro

I2I

T2I

api

3 / 5

The previous generation. Still widely used because the LoRA ecosystem around it is mature.

Flux3

INPAINT

I2V

T2V

I2I

T2I

api

/ 5

PUBLICATION

ArchitectureLM

ISSUE

014 — Rev C

EDITION

2026

CONTACT

hello@architecturelm.com

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