Wan v2.7 vs Seedance 2.0 Fast
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.
Alibaba (Qwen)Wan v2.7
- Arena1,428
- From$0.10/s
- Max length10 s
ByteDance SeedSeedance 2.0 Fast
- Arena—
- From$0.04/s
- Max length15 s
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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 FastWan v2.7 from $0.10/s (720p–1080p) · Seedance 2.0 Fast from $0.04/s (480p)
- Longest clipsSeedance 2.0 FastWan v2.7: 2–10 s · Seedance 2.0 Fast: 4–15 s
- Highest resolutionWan v2.7Wan v2.7: 1080p · Seedance 2.0 Fast: 720p
- NewestSeedance 2.0 FastWan v2.7 Apr 7, 2026 · Seedance 2.0 Fast Apr 14, 2026
- Widest inputsSame inputsWan v2.7: Text prompts, Reference images, Audio, Video · Seedance 2.0 Fast: Text prompts, Reference images, Audio, Video
- Native audioBoth generate soundGenerates an audio track with the video: Wan v2.7 yes · Seedance 2.0 Fast yes
- Image to videoBoth animate imagesStarts from an uploaded image: Wan v2.7 yes · Seedance 2.0 Fast yes
- Self-hostingNo open weightsBoth are available only through APIs and apps
- Most API hostsSame reachWan v2.7: 1 · Seedance 2.0 Fast: 1
Every spec in one table
Dashes mean the data is not published.
| Specification | Wan v2.7Alibaba (Qwen) | Seedance 2.0 FastByteDance Seed |
|---|---|---|
| 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 | $0.10/s 720p–1080p | $0.04/s 480p (best) |
| 10-second clip | $1.00at the starting rate | $0.404at the starting rate (best) |
| How it is billed | Per second | Billed per video token. |
| Output | ||
| Produces | Video with sound | Video with sound |
| Resolutions | 720p · 1080p | 480p · 720p |
| Highest resolution | 1080p (best) | 720p |
| Clip length | 2–10 s | 4–15 s |
| Longest clip | 10 s | 15 s (best) |
| Sound | Optional | Optional |
| Frame control | First and last frame | First and last frame |
| Inputs | ||
| Text prompts | Yes | Yes |
| Start image (image to video) | Yes | Yes |
| Video input | Yes | Yes |
| Audio input | Yes | Yes |
| References | Images | Image, video and audio |
| Access | ||
| Weights | Proprietary | Proprietary |
| API hosts | 1 | 1 |
| Released | Apr 7, 2026 | Apr 14, 2026 |
Which should you choose?
Which is better, Wan v2.7 or Seedance 2.0 Fast?
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?
Wan v2.7 costs from $0.10/s (720p–1080p); Seedance 2.0 Fast costs from $0.04/s (480p). A 10-second clip at the lowest rate: Wan v2.7 $1.00, Seedance 2.0 Fast $0.404. Prices are list rates and change often; check the lab before budgeting.
How long can the videos be, and at what resolution?
Wan v2.7: 2–10 s, 720p / 1080p; Seedance 2.0 Fast: 4–15 s, 480p / 720p.
What is the difference between Wan v2.7 and Seedance 2.0 Fast?
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. 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.
Which is newer?
Wan v2.7 Apr 7, 2026; Seedance 2.0 Fast Apr 14, 2026.
Which generates video with sound?
Generates an audio track with the video: Wan v2.7 yes; Seedance 2.0 Fast yes.
Can I run any of these on my own hardware?
No open weights. Both are available only through APIs and apps.
Related comparisons
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- Wan v2.7 vs Kling v3.0Kling AI · Feb 5, 2026
- Seedance 2.0 Fast vs Grok Imagine Video 1.5xAI · May 30, 2026
- Seedance 2.0 Fast vs Veo 3.1 LiteGoogle · Mar 31, 2026
- Seedance 2.0 Fast vs Kling v3.0Kling AI · Feb 5, 2026
