ApX logoApX logo

FLUX.1 Fill Dev

Parameters

11.9B

Modality

Image

Auxiliary Parameters

4.9B

Architecture

Diffusion Transformer

License

FLUX.1-dev Non-Commercial License

Release Date

2 Oct 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

Noisy Image LatentsLatent Image Space (VAE)Patch Embedding2D Latent PatchifyHidden: 4.1k · Text: 4.9B enc · Timestep (t)x 57 DiT blocksAdaLN ModulationNorm · Timestep scale/shiftJoint / Cross-Attention24 headsHead dim: 128+AdaLN ModulationNorm · Timestep scale/shiftFeed-Forward (MLP)Activation+Final Norm (AdaLN Scale)Predicted Noise / LatentsDenoised Latents to VAE

About FLUX.1 Fill Dev

FLUX.1 Fill Dev is an inpainting and outpainting foundation model built on the 11.9B FLUX architecture, conditioning on user-supplied masks and image latents to synthesize context-aware visual completions.

Technical Specifications

Attention

Attention Heads

24

Attention Head Dimension

128

Dimensions

Auxiliary Parameters

4.9B

Hidden Dimension Size

4,096

Number of Layers

57