ARCHITECTURELM
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About
Black Forest Labs
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
open-weights
Strong geometry retention and trainable on your own style. The current default for serious archviz.
Flux.1 Pro
3 / 5
The previous generation. Still widely used because the LoRA ecosystem around it is mature.
PUBLICATION
ArchitectureLM
ISSUE
014 — Rev C
EDITION
2026
CONTACT
hello@architecturelm.com