VideoGenReview

What each AI video model's release notes say changed

Runway and clip length or extension: the dated notes

3 Runway entries on clip length or extension, 4 September 2024 to 15 November 2024, across Gen-3 Alpha and Gen-3 Alpha Turbo. The latest: video to Video runs up to 20 seconds. 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.

Of Runway's entries, 3 concern clip length or extension, the first from September 2024.

1The entries

4 September 2024, Gen-3 Alpha

Gen-3 Alpha videos can be extended an additional 5 or 10 seconds to create up to 40s of generated video.

Runway, changelog
  • Extensions in Gen-3 Alpha
    Gen-3 Alpha clips can be extended to 40 seconds in totalRunway, changelog / since 2024-09-04 / checked 2026-09-25

23 September 2024, Gen-3 Alpha Turbo

Extend generations up to 34s in Gen-3 Alpha Turbo.

Runway, changelog
  • Gen-3 Alpha Turbo Extensions
    Gen-3 Alpha Turbo clips extend to 34 secondsRunway, changelog / since 2024-09-23 / checked 2026-09-25

19 days after the entry before it.

15 November 2024, Gen-3 Alpha Turbo

Generate videos up to 20s using Video to Video in Gen-3 Alpha and Gen-3 Alpha Turbo.

Runway, changelog
  • 20s Video to Video generations
    Video to Video runs up to 20 secondsRunway, changelog / since 2024-11-15 / checked 2026-09-25

The gap from the previous entry: 53 days.

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
  • Google Veo: 4 entries, June 2025 to December 2025
  • 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
  • Seedance: 7 entries, August 2026
  • Sora: 1 entry, March 2026
  • Vidu: 1 entry, October 2025
  • Wan: 6 entries, May 2025 to August 2026

Runway, every entry · Clip length and extension, every line · Gen-3 Alpha · Gen-3 Alpha Turbo

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