FLUX.1: 3.8B Text to Image Model for ComfyUI - Download and Guide
FLUX.1 is Black Forest Labs' first open-source image generation model. 3.8B parameter rectified flow transformer with variants for different speed/quality tradeoffs.
FLUX.1
Text-to-ImageOpen SourceImage EditingFirst-generation Flux model — 3.8B parameter rectified flow transformer by Black Forest Labs. Variants: full-precision [dev], 4-step distilled [schnell], FP8 / GGUF quantized builds, plus Fill, Redux, Canny, Depth, Kontext, and Krea tools.
| Developer | Black Forest Labs (founded by ex-Stable Diffusion core team) |
| Release Date | 2024-08-01 |
| Architecture | 3.8B Rectified Flow Transformer (DiT) |
| License | [dev] non-commercial; [schnell] Apache 2.0 |
| Output Resolution | 1024×1024 native, multi-aspect via padding |
Guides and workflows related to this model series.
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This article introduces the Flux ComfyUI Image-to-Image workflow tutorial.
This article introduces the Flux.1 ComfyUI installation guidance, workflow, and example.
A step-by-step guide on how to use official Flux ControlNet models in ComfyUI
Learn how to generate image variants using the Flux Redux model
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