BFL / RECTIFIED FLOW / 2024

FLUX.1 [schnell]

TOTAL≈11.9Bparameters

ACTIVE≈11.9B / stepper denoise step

DEPTH19 + 38repeated blocks

HIDDEN3,072main trunk

CONTEXT1024²max canvas

CHECKPOINT≈23.8GB3 shards · Apache-2.0

INTERACTIVE SYSTEM BLUEPRINT

MODEL MRI

1024² · 50 FLOW STEPS · 6.23P arithmetic FLOPs · click any module for evidence

VERIFIED ADAPTER

INPUT1024²IMAGE CANVAS

TRANSFORMER STACK19 DOUBLE + 38 SINGLEseparate text/image streams → concatenated multimodal stream

Modulated Residual

OUTPUT1024²DENOISE STEPS

wraps every repeated block

JOINT MULTIMODAL ATTENTION · DISTILLED RECTIFIED FLOW少步采样改变了大主干的实际总计算，不应只看单步参数量。

Flow Transformer预测从噪声到数据的流场而非 U-Net epsilon。

DOUBLE19Ltwo streams

SINGLE38Ljoint stream

HIDDEN3,072main

HEADS24attention

STEPS1–4Schnell

PARAMS≈11.9Btransformer