VideoGenReview

What each AI video model's release notes say changed

What Wan 2.1 changed, by its release notes

Wan 2.1, in the Wan line: 5 entries, 9 January 2025 to 14 May 2025, covering new model, motion, frames, tiers, editing, length and references. As of 2026-09-25.

Wan 2.1 entries by dateOne dot per dated entry.Wan 2.1 entries by date2025-01-09Wan 2.1 text-to-video Plus, with large…2025-01-20Wan 2.1 image-to-video Plus turns a still…2025-02-27A Turbo tier of Wan 2.1 image-to-video…2025-04-07Wan 2.1 start-and-end-frame model makes…2025-05-14Wan 2.1 VACE combines local editing…
Fig. 1 One dot per dated entry.
Every Wan 2.1 entry, oldest first, read 2026-09-25.
DateWhat changedKindsSource
9 January 2025Wan 2.1 text-to-video Plus, with large movements and physical plausibility namednew model, motionMaker's note
20 January 2025Wan 2.1 image-to-video Plus turns a still into a clipframesMaker's note
27 February 2025A Turbo tier of Wan 2.1 image-to-video for faster generationtiersMaker's note
7 April 2025Wan 2.1 start-and-end-frame model makes a transition between two imagesframesMaker's note
14 May 2025Wan 2.1 VACE combines local editing, repainting, outpainting, extension and image referencesediting, length, referencesMaker's note

Inclusion rule. All entries filed under this version: the maker's notes, platform arrivals and undated rows. Order. By date, oldest first; undated rows last.

Most of what the notes record for Wan 2.1 concerns a new model or snapshot, motion or performance transfer and start, end or middle frames.

1Each entry

9 January 2025, from Alibaba Cloud Model Studio, newly released models

Wan2.1 text to video Plus version, one sentence generated video. Support for large and complex movements, adherence to physical laws, artistic styles, and visual quality of movies.

Alibaba Cloud Model Studio, newly released models

20 January 2025, from Alibaba Cloud Model Studio, newly released models

Wan2.1 image to video Plus version, make the static image generated video.

Alibaba Cloud Model Studio, newly released models

27 February 2025, from Alibaba Cloud Model Studio, newly released models

The ability to follow instructions is further improved, and generation more fast.

Alibaba Cloud Model Studio, newly released models

7 April 2025, from Alibaba Cloud Model Studio, newly released models

Wan2.1 start and end frames to video Plus version, generate a smooth transition video for two images.

Alibaba Cloud Model Studio, newly released models

14 May 2025, from Alibaba Cloud Model Studio, newly released models

It supports local editing, video repainting, background outpainting, duration extension, image reference, and other video editing and generation tasks

Alibaba Cloud Model Studio, newly released models

2Versions either side in this line

  • Dated before it: none in the register.
  • Dated after it: Wan 2.2, 4 entries, first dated 28 July 2025.

3Same kinds of change elsewhere, within six weeks

The whole line: Wan. Quarter: Q1 2025.

4Notes read