VideoGenReview

What each AI video model's release notes say changed

What Kling 2.6 changed, by its release notes

Kling 2.6, in the Kling AI line: 3 entries, 15 December 2025 to 17 December 2025, covering new model, sound, motion and length. Dated before it in this line: Kling Avatar. As of 2026-09-25.

Kling 2.6 entries by dateOne dot per dated entry.Kling 2.6 entries by date2025-12-15Kling 2.6 launches with a switch…2025-12-16Kling 2.6 can speak with a chosen voice2025-12-17Kling 2.6 Motion Control copies an action…
Fig. 1 One dot per dated entry.
Every Kling 2.6 entry, oldest first, read 2026-09-25.
DateWhat changedKindsSource
15 December 2025Kling 2.6 launches with a switch for generating soundnew model, soundMaker's note
16 December 2025Kling 2.6 can speak with a chosen voicesoundMaker's note
17 December 2025Kling 2.6 Motion Control copies an action and expression, up to 30 seconds in one takemotion, lengthMaker'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.

The entries for Kling 2.6 cluster around a new model or snapshot, sound, voice or lip-sync and motion or performance transfer.

1Each entry

15 December 2025, from Kling AI, API updates

Control whether to include audio when generating videos through the sound parameter.

Kling AI, API updates
  • 12/15/2025
    Kling 2.6 launches with a switch for generating soundKling AI, API updates / since 2025-12-15 / checked 2026-09-25

16 December 2025, from Kling AI, API updates

By using prompt and voice_list, a specified voice can be used to generate videos

Kling AI, API updates
  • 12/16/2025
    Kling 2.6 can speak with a chosen voiceKling AI, API updates / since 2025-12-16 / checked 2026-09-25

17 December 2025, from Kling AI, release notes

30 seconds of high-difficulty action in one seamless take, with total command over movement, expressions, lip-sync, and gestures.

Kling AI, release notes
  • 2025-12-17
    Kling 2.6 Motion Control copies an action and expression, up to 30 seconds in one takeKling AI, release notes / since 2025-12-17 / checked 2026-09-25

2Versions either side in this line

  • Dated before it: Kling Avatar, 1 entry, first dated 4 December 2025.
  • Dated after it: Kling Omni, 1 entry, first dated 15 December 2025.

3Same kinds of change elsewhere, within six weeks

  • 10 November 2025, Wan: Wan 2.2
  • 13 November 2025, Vidu: Not named in the note
  • 3 December 2025, Wan: Wan 2.6
  • 8 December 2025, Google Veo: Veo 3.1
  • 9 December 2025, LTX: Not named in the note
  • 16 December 2025, Wan: Wan 2.6

The whole line: Kling AI. Quarter: Q4 2025.

4Notes read