Seedance and clip length or extension: the dated notes

7 Seedance entries on clip length or extension, 6 August 2026 to 11 August 2026, across Seedance 2.5, Seedance 1.0 Pro, Seedance 1.5 Pro and Seedance 2.0. The latest: Seedance 2.5 reaches Runway through its MCP, up to 30 seconds. As of 2026-09-25.

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

Of Seedance's entries, 7 concern clip length or extension, the first from August 2026.

1The entries

6 August 2026, Seedance 2.5

Seedance 2.5 from ByteDance is available on Higgsfield, the latest version in the Seedance video family.

Higgsfield, changelog

• Seedance 2.5
  Seedance 2.5 arrives on Higgsfield with clips up to 30 secondsHiggsfield, changelog / since 2026-08-06 / checked 2026-09-25

6 August 2026, Seedance 2.5

With Seedance 2.5 on Luma you can get native 30-second generation in a single pass

Luma, Seedance 2.5 on Luma post

• Seedance 2.5: Now Live in Luma
  Seedance 2.5 arrives on Luma with 30-second single-pass generationLuma, Seedance 2.5 on Luma post / since 2026-08-06 / checked 2026-09-25

Same day as the entry before it.

11 August 2026, Seedance 2.5

Generate up to 30 seconds of video with native audio

Runway, changelog

• Seedance 2.5
  Seedance 2.5 reaches Runway through its MCP, up to 30 secondsRunway, changelog / since 2026-08-11 / checked 2026-09-25

5 days after the entry before it.

Undated version row, Seedance 1.0 Pro

Duration: 2–12 s

BytePlus ModelArk, model list

• seedance-1-0-pro-250528
  Seedance 1.0 Pro: 2 to 12 seconds, up to 1080p, first and last framesBytePlus ModelArk, model list / recorded 2026-09-25

Undated version row, Seedance 1.5 Pro

seedance-1-5-pro-251215 Retired

BytePlus ModelArk, model list

• seedance-1-5-pro-251215
  Seedance 1.5 Pro: 4 to 12 seconds, up to 1080p, now marked retiredBytePlus ModelArk, model list / recorded 2026-09-25

Undated version row, Seedance 2.0

4K (10-bit color depth)

BytePlus ModelArk, model list

• dreamina-seedance-2-0-260128
  Seedance 2.0: 4 to 15 seconds, up to 4K, multimodal references, editing and extensionBytePlus ModelArk, model list / recorded 2026-09-25

Undated version row, Seedance 2.5

Duration: 4–30 s

BytePlus ModelArk, model list

• dreamina-seedance-2-5-260628
  Seedance 2.5: 4 to 30 seconds, 1080p in 10-bitBytePlus ModelArk, model list / recorded 2026-09-25

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
• Runway: 3 entries, September 2024 to November 2024
• Sora: 1 entry, March 2026
• Vidu: 1 entry, October 2025
• Wan: 6 entries, May 2025 to August 2026

Seedance, every entry · Clip length and extension, every line · Seedance 2.5 · Seedance 2.0

3Notes read

• Higgsfield, changelog, read 2026-09-25
• Luma, Seedance 2.5 on Luma post, read 2026-09-25
• Runway, changelog, read 2026-09-25
• BytePlus ModelArk, model list, read 2026-09-25