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Wan 2.1 T2V 14B

Parameters

14B

Modality

Video

Auxiliary Parameters

4.86B

Architecture

Diffusion Transformer

License

Apache 2.0

Release Date

25 Feb 2025

API Pricing (per 1M)

Self-hosted only

Hardware Sizing

Precision

Workload Memory: 9.80 GB

INT4 · 1024x1024

DiT Backbone Weights: 6.52 GB

VAE Decode Workspace: 0.78 GB

Runtime & Graphs: 2.50 GB

Minimum Required Hardware

1x NVIDIA L4 24GB

9.8 / 21.6 GB usable

1x RTX 3060 12GB

9.8 / 10.8 GB usable

Apple M4 24GB

9.8 / 18.0 GB usable

Determine requirements for your specific workload:

Open in VRAM Calculator

Architecture Diagram

Noisy Video Latents3D Spatio-Temporal VAE Latents3D Patch Embedding3D Spatio-Temporal PatchifyHidden: 5.1k · Text: 4.86B enc · Timestep (t)x 40 DiT blocksAdaLN ModulationNorm · Timestep scale/shiftSpatio-Temporal Attention40 headsHead dim: 128+AdaLN ModulationNorm · Timestep scale/shiftFeed-Forward (MLP)Activation+Final Norm (AdaLN Scale)Predicted Velocity (v)Denoised 3D Latents to VAE

About Wan 2.1 T2V 14B

Wan 2.1 T2V 14B is a 14B parameter spatio-temporal DiT developed by Wan-AI, incorporating UMT5 text embeddings and 3D causal VAE latents for cinematic 720p/1080p video synthesis.

Technical Specifications

Attention

Attention Heads

40

Attention Head Dimension

128

Dimensions

Auxiliary Parameters

4.86B

Hidden Dimension Size

5,120

Number of Layers

40

About Wan 2.1


Other Wan 2.1 Models
Wan 2.1 T2V 14B - VRAM Requirements, Specs & Benchmarks