Wan v2.5 Preview vs Seedance v1.0 Pro Fast
Newest: Seedance v1.0 Pro Fast · Native audio: No native audio · Image to video: Seedance v1.0 Pro Fast. Not enough arena votes yet for a quality score, so this is a spec comparison.
Alibaba (Qwen)Wan v2.5 Preview
- Arena1,321
- From—
- Max length—
ByteDance SeedSeedance v1.0 Pro Fast
- Arena—
- From—
- Max length—
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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.
- NewestSeedance v1.0 Pro FastWan v2.5 Preview Sep 24, 2025 · Seedance v1.0 Pro Fast Oct 24, 2025
- Widest inputsSame inputsWan v2.5 Preview: Text prompts, Audio · Seedance v1.0 Pro Fast: Text prompts, Reference images
- Native audioNo native audioGenerates an audio track with the video: Wan v2.5 Preview no · Seedance v1.0 Pro Fast no
- Image to videoSeedance v1.0 Pro FastStarts from an uploaded image: Wan v2.5 Preview no · Seedance v1.0 Pro Fast yes
- Self-hostingNo open weightsBoth are available only through APIs and apps
- Most API hostsSame reachWan v2.5 Preview: 1 · Seedance v1.0 Pro Fast: 1
Every spec in one table
Dashes mean the data is not published.
| Specification | Wan v2.5 PreviewAlibaba (Qwen) | Seedance v1.0 Pro FastByteDance Seed |
|---|---|---|
| Quality (blind human votes) | ||
| Text to video arenaElo-style score · higher is better | 1,245 ±9#25 of 48 · 36,378 votes | — |
| Image to video arenaElo-style score · higher is better | 1,321 ±10#22 of 48 · 16,907 votes | — |
| Output | ||
| Produces | Video | Video |
| Inputs | ||
| Text prompts | Yes | Yes |
| Start image (image to video) | No | Yes |
| Video input | No | No |
| Audio input | Yes | No |
| Access | ||
| Weights | Proprietary | Proprietary |
| API hosts | 1 | 1 |
| Released | Sep 24, 2025 | Oct 24, 2025 |
Which should you choose?
Which is better, Wan v2.5 Preview or Seedance v1.0 Pro 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.
What is the difference between Wan v2.5 Preview and Seedance v1.0 Pro Fast?
Wan v2.5 Preview is a video model from Alibaba (Qwen) (Sep 24, 2025), taking text prompts and audio and producing video. Seedance v1.0 Pro Fast is a video model from ByteDance Seed (Oct 24, 2025), taking text prompts and reference images and producing video.
Which is newer?
Wan v2.5 Preview Sep 24, 2025; Seedance v1.0 Pro Fast Oct 24, 2025.
Which generates video with sound?
Generates an audio track with the video: Wan v2.5 Preview no; Seedance v1.0 Pro Fast no.
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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- Seedance v1.0 Pro Fast vs Veo 3.1Google · Oct 15, 2025
- Seedance v1.0 Pro Fast vs Sora 2OpenAI · Oct 6, 2025
- Seedance v1.0 Pro Fast vs Kling v2.6Kling AI · Dec 3, 2025
