Flux Family: Open Source Image Generation Models for ComfyUI
Flux is an open-source image generation model series by Black Forest Labs. Two generations: FLUX.1 (3.8B DiT) and FLUX.2 (32B dense transformer).
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Generations
| Generation | Params | Architecture | Released | Highlights |
|---|---|---|---|---|
| FLUX.1 | 3.8B | Rectified Flow DiT | 2024-08 | Open weights, Fill / Redux / Canny / Depth / Kontext tools |
| FLUX.2 | 32B | Dense Transformer | 2025-11 | T2I + multi-ref editing, up to 4MP, 24GB+ VRAM (FP8) |
Select a generation for tutorials, custom nodes, and related news. Curated weight downloads live in the Model Hub catalog.