AI Research Atlas

Wan 2.1

Alibaba (Tongyi) · 25 February 2025

Wan 2.1 open-sources 14B and 1.3B video models under Apache 2.0; the 1.3B runs in 8.2 GB of VRAM.

A full open suite (text-to-video, image-to-video, first-last-frame, VACE editing) with a custom 3D VAE for unlimited-length 1080p encoding. The arXiv report 'Wan: Open and Advanced Large-Scale Video Generative Models' followed on 2025-03-26. Hugging Face lists the repos from 2025-02-25.

Date
Tuesday, 25 February 2025
Lab
Alibaba (Tongyi)
Kind
model
Access
open weights

Figures

MeasureValueMeasured by
Wan2.1-T2V-1.3B VRAM8.19 GB
5-second 480p video in about 4 minutes on an RTX 4090
company

Hugging Face repos were created 2025-02-25; the arXiv report is 2025-03-26.

Sources

  1. github.com/Wan-Video/Wan2.1
  2. arxiv.org/abs/2503.20314
  3. huggingface.co/Wan-AI/Wan2.1-T2V-14B

This record was checked against its sources on 6 October 2026. How we check