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Video model comparison · 2 models · Updated Nov 2, 2026

Seedance 2.0 Fast vs Wan v2.7

Lowest entry price: Seedance 2.0 Fast · Longest clips: Seedance 2.0 Fast · Highest resolution: Wan v2.7. Not enough arena votes yet for a quality score, so this is a spec comparison.

  1. ByteDance Seed

    Seedance 2.0 Fast

    Released Apr 14, 2026

    • Text to video
    • Image to video
    • Video editing
    • Audio input
    • Native audio
    • Arena—
    • From$0.04/s
    • Max length15 s
    Full specs Remove Seedance 2.0 Fast

  2. Alibaba (Qwen)

    Wan v2.7

    Released Apr 7, 2026

    • Text to video
    • Image to video
    • Video editing
    • Audio input
    • Native audio
    • Arena1,428
    • From$0.10/s
    • Max length10 s
    Full specs Remove Wan v2.7

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01 — At a glance

Where they differ

Quality is the arena score from blind, side-by-side human votes. Price, length and resolution come from each lab’s own listings.

  • Lowest entry priceSeedance 2.0 FastSeedance 2.0 Fast from $0.04/s (480p) · Wan v2.7 from $0.10/s (720p–1080p)
  • Longest clipsSeedance 2.0 FastSeedance 2.0 Fast: 4–15 s · Wan v2.7: 2–10 s
  • Highest resolutionWan v2.7Seedance 2.0 Fast: 720p · Wan v2.7: 1080p
  • NewestSeedance 2.0 FastSeedance 2.0 Fast Apr 14, 2026 · Wan v2.7 Apr 7, 2026
  • Widest inputsSame inputsSeedance 2.0 Fast: Text prompts, Reference images, Audio, Video · Wan v2.7: Text prompts, Reference images, Audio, Video
  • Native audioBoth generate soundGenerates an audio track with the video: Seedance 2.0 Fast yes · Wan v2.7 yes
  • Image to videoBoth animate imagesStarts from an uploaded image: Seedance 2.0 Fast yes · Wan v2.7 yes
  • Self-hostingNo open weightsBoth are available only through APIs and apps
  • Most API hostsSame reachSeedance 2.0 Fast: 1 · Wan v2.7: 1
02 — Side by side

Every spec in one table

Dashes mean the data is not published.

Seedance 2.0 Fast vs Wan v2.7 specifications side by side
SpecificationSeedance 2.0 FastByteDance SeedWan v2.7Alibaba (Qwen)
Quality (blind human votes)
Text to video arenaElo-style score · higher is better—1,337 ±7#20 of 48 · 27,626 votes
Image to video arenaElo-style score · higher is better—1,428 ±5#11 of 48 · 85,521 votes
Price
Starting price$0.04/s 480p (best)$0.10/s 720p–1080p
10-second clip$0.404at the starting rate (best)$1.00at the starting rate
How it is billedBilled per video token.Per second
Output
ProducesVideo with soundVideo with sound
Resolutions480p · 720p720p · 1080p
Highest resolution720p1080p (best)
Clip length4–15 s2–10 s
Longest clip15 s (best)10 s
SoundOptionalOptional
Frame controlFirst and last frameFirst and last frame
Inputs
Text promptsYesYes
Start image (image to video)YesYes
Video inputYesYes
Audio inputYesYes
ReferencesImage, video and audioImages
Access
WeightsProprietaryProprietary
API hosts11
ReleasedApr 14, 2026Apr 7, 2026
03 — Questions

Which should you choose?

Which is better, Seedance 2.0 Fast or Wan v2.7?

Neither model has enough arena votes for a reliable quality score yet, so this page compares specs only. Run the same three or four prompts through each and judge the results.

Which is cheaper?

Seedance 2.0 Fast costs from $0.04/s (480p); Wan v2.7 costs from $0.10/s (720p–1080p). A 10-second clip at the lowest rate: Seedance 2.0 Fast $0.404, Wan v2.7 $1.00. Prices are list rates and change often; check the lab before budgeting.

How long can the videos be, and at what resolution?

Seedance 2.0 Fast: 4–15 s, 480p / 720p; Wan v2.7: 2–10 s, 720p / 1080p.

What is the difference between Seedance 2.0 Fast and Wan v2.7?

Seedance 2.0 Fast is a video model from ByteDance Seed (Apr 14, 2026), taking text prompts, reference images, audio and video and producing video with sound. Wan v2.7 is a video model from Alibaba (Qwen) (Apr 7, 2026), taking text prompts, reference images, audio and video and producing video with sound.

Which is newer?

Seedance 2.0 Fast Apr 14, 2026; Wan v2.7 Apr 7, 2026.

Which generates video with sound?

Generates an audio track with the video: Seedance 2.0 Fast yes; Wan v2.7 yes.

Can I run any of these on my own hardware?

No open weights. Both are available only through APIs and apps.

04 — Keep comparing

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