FLUX.1 Schnell
Parameters
11.9B
Modality
Image
Auxiliary Parameters
4.9B
Architecture
Diffusion Transformer
License
Apache 2.0
Release Date
1 Aug 2024
API Pricing (per 1M)
Self-hosted only
Hardware Sizing
Precision
Workload Memory: 8.71 GB
INT4 · 1024x1024
DiT Backbone Weights: 5.54 GB
VAE Decode Workspace: 0.67 GB
Runtime & Graphs: 2.50 GB
Minimum Required Hardware
1x NVIDIA L4 24GB
8.7 / 21.6 GB usable
1x RTX 3060 12GB
8.7 / 10.8 GB usable
Apple M4 24GB
8.7 / 18.0 GB usable
Determine requirements for your specific workload:
Open in VRAM Calculator
Architecture Diagram
About FLUX.1 Schnell
FLUX.1 Schnell is an 11.9B rectified-flow transformer developed by Black Forest Labs, distilled for ultra-fast 1 to 4 step image synthesis. It incorporates dual CLIP and T5-XXL text encoders for high prompt fidelity.
Technical Specifications
Attention
Attention Heads
24
Attention Head Dimension
128
Dimensions
Auxiliary Parameters
4.9B
Hidden Dimension Size
4,096
Number of Layers
57