Diffusionpopular

FLUX.1 [dev]

Black Forest Labs · 12B (DiT) · Up to 2048×2048

FLUX.1 [dev] is the de-facto open-weights image model. LoRA tunes converge in 15–25 minutes on 20–40 reference images; full FT is available when you need a custom base.

Train this model →Read the recipe

Quickstart

Launch a FLUX.1 [dev] fine-tune

~ fourbit

$ fourbit train \
  --base flux-1-dev \
  --images s3://acme/refs/ \
  --recipe lora

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FLUX.1 [schnell]
Distilled FLUX for cheap, fast generation. LoRA-only for license reasons.
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