AI watermarking refers to invisible signals embedded in the output. Visible marks and provenance metadata are listed separately. Unknown means there is insufficient evidence for that particular field.

AI watermarking: Unknown; no source
Watermarking technique: Not known; no source

Licence and access

Weights: Open weights; Source: Weights
Access: Local; Source: Access
Release: Wan-Video dates the initial model-weight release to February 25, 2025.; Source: Release

Further details

Checkpoint IDs: Official checkpoints `Wan-AI/Wan2.1-I2V-14B-480P` and `Wan-AI/Wan2.1-I2V-14B-720P`; the separate I2V weights justify a distinct I2V record.; Source: Checkpoint IDs
Input mode: Image-to-video checkpoint; not the T2V weights in the same model family.; Source: Input mode
Documented output: The model matrix publishes 480p and 720p checkpoints; its standard example uses five seconds.; Source: Documented output
Weights license: The Wan 2.1 repository lists Apache 2.0 for its released checkpoints.; Source: Weights license

Frequently asked questions about Wan 2.1 I2V 14B

How long can a video with Wan 2.1 I2V 14B be?

Up to 5 seconds in one go. Resolution: 720p.

According to Alibaba

Longest clip: 5s
Resolution: 720p
Open weights: yes

Sources and data date

Type	Evidence and data date
Additional source	Alibaba
Additional source	Alibaba (retrieved November 1, 2026) · Alibaba · Editorial description reviewed November 1, 2026
Additional source	OpenRouter: Popularity index (derived), CC BY 4.0
Additional source	Vercel AI Gateway: Popularity index (derived), CC BY 4.0
Additional source	Ollama: cumulative downloads for the popularity index
Additional source	Replicate: cumulative runs for the popularity index
Additional source	Google Trending Now: limited feed selection for Germany and the US
Additional source	Creative Commons Attribution 4.0