VideoGenReview

What each AI video model's release notes say changed

Google Veo release notes on clip length or extension

4 Google Veo entries on clip length or extension, 23 June 2025 to 8 December 2025, across Veo 2, Veo 3 and Veo 3.1. The latest: Veo 3.1 video extension reaches Vertex AI in preview. As of 2026-09-25.

Entries on length per line, this one markedA count of entries, which follows how often a maker writes notes.Entries on length per line, this one markedSeedance77Wan66Google Veo44Gemini Omni33Kling AI33Runway33Amazon Nova Reel22LTX22MiniMax Hailuo22PixVerse22Adobe Firefly Video11Midjourney video11Sora11Vidu11
Fig. 1 A count of entries, which follows how often a maker writes notes.
Entries on clip length or extension per line, read 2026-09-25.
LineEntries
Adobe Firefly Video1
Amazon Nova Reel2
Gemini Omni3
Google Veo4
Kling AI3
LTX2
Midjourney video1
MiniMax Hailuo2
PixVerse2
Runway3
Seedance7
Sora1
Vidu1
Wan6

Inclusion rule. Lines with at least one entry of this kind. Order. Alphabetical by line.

Google Veo has 4 entries on clip length or extension in the register, the first of them dated 23 June 2025.

1The entries

23 June 2025, Veo 2

In addition to a providing a first frame of a video, you can specify the last frame of a video or a video to extend in length.

Google Cloud, Vertex AI release notes

8 September 2025, Veo 3

You can use Veo 3 to create 4, 6, or 8 second videos.

Google Cloud, Vertex AI release notes

It came 77 days after the previous one.

15 October 2025, Veo 3.1

Released Veo 3.1 and 3.1 Fast models in public preview, with new features including: Extending Veo-created videos. Referencing up to three images to generate a video. Providing first and last frame images to generate videos from.

Google, Gemini API changelog
  • October 15
    Veo 3.1 preview adds extension, up to three reference images and first-and-last-frame input2025Google, Gemini API changelog / since 2025-10-15 / checked 2026-09-25

It came 37 days after the previous one.

8 December 2025, Veo 3.1

Veo 3.1 supports video extension in Preview.

Google Cloud, Vertex AI release notes

54 days after the entry before it.

2The same kind of change in other lines

  • Adobe Firefly Video: 1 entry, October 2024
  • Amazon Nova Reel: 2 entries, April 2025
  • Gemini Omni: 3 entries, June 2026 to August 2026
  • Kling AI: 3 entries, June 2025 to December 2025
  • LTX: 2 entries, February 2026 to August 2026
  • Midjourney video: 1 entry, June 2025
  • MiniMax Hailuo: 2 entries, June 2025
  • PixVerse: 2 entries, July 2025 to March 2026
  • Runway: 3 entries, September 2024 to November 2024
  • Seedance: 7 entries, August 2026
  • Sora: 1 entry, March 2026
  • Vidu: 1 entry, October 2025
  • Wan: 6 entries, May 2025 to August 2026

Google Veo, every entry · Clip length and extension, every line · Veo 3 · Veo 3.1

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