Wan v2.6 Flash vs Seedance v1.5 Pro
Widest inputs: Wan v2.6 Flash · Native audio: Seedance v1.5 Pro · Self-hosting: No open weights. Not enough arena votes yet for a quality score, so this is a spec comparison.
Alibaba (Qwen)Wan v2.6 Flash
- Arena—
- From—
- Max length—
ByteDance SeedSeedance v1.5 Pro
- Arena1,307
- From$0.011/s
- Max length12 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.
- NewestSame release dateWan v2.6 Flash Dec 16, 2025 · Seedance v1.5 Pro Dec 16, 2025
- Widest inputsWan v2.6 FlashWan v2.6 Flash: Text prompts, Reference images, Audio, Video · Seedance v1.5 Pro: Text prompts, Reference images
- Native audioSeedance v1.5 ProGenerates an audio track with the video: Wan v2.6 Flash no · Seedance v1.5 Pro yes
- Image to videoBoth animate imagesStarts from an uploaded image: Wan v2.6 Flash yes · Seedance v1.5 Pro yes
- Self-hostingNo open weightsBoth are available only through APIs and apps
- Most API hostsSame reachWan v2.6 Flash: 1 · Seedance v1.5 Pro: 1
Every spec in one table
Dashes mean the data is not published.
| Specification | Wan v2.6 FlashAlibaba (Qwen) | Seedance v1.5 ProByteDance Seed |
|---|---|---|
| Quality (blind human votes) | ||
| Text to video arenaElo-style score · higher is better | — | 1,256 ±7#22 of 48 · 76,171 votes |
| Image to video arenaElo-style score · higher is better | — | 1,307 ±7#24 of 48 · 245,206 votes |
| Price | ||
| Starting price | — | $0.011/s 480p |
| Top price | — | $0.023/s 480p, with audio |
| 10-second clip | — | $0.115at the starting rate |
| How it is billed | — | Billed per video token; higher at 720p and 1080p. |
| Output | ||
| Produces | Video | Video with sound |
| Resolutions | — | 480p · 720p · 1080p |
| Highest resolution | — | 1080p |
| Clip length | — | 4–12 s |
| Longest clip | — | 12 s |
| Sound | — | Optional |
| Frame control | — | First and last frame |
| Inputs | ||
| Text prompts | Yes | Yes |
| Start image (image to video) | Yes | Yes |
| Video input | Yes | No |
| Audio input | Yes | No |
| Access | ||
| Weights | Proprietary | Proprietary |
| API hosts | 1 | 1 |
| Released | Dec 16, 2025 | Dec 16, 2025 |
Which should you choose?
Which is better, Wan v2.6 Flash or Seedance v1.5 Pro?
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 v1.5 Pro costs from $0.011/s (480p), up to $0.023/s (480p, with audio). A 10-second clip at the lowest rate: Seedance v1.5 Pro $0.115. Wan v2.6 Flash has no published per-second price. Prices are list rates and change often; check the lab before budgeting.
How long can the videos be, and at what resolution?
Wan v2.6 Flash: length not published; Seedance v1.5 Pro: 4–12 s, 480p / 720p / 1080p.
What is the difference between Wan v2.6 Flash and Seedance v1.5 Pro?
Wan v2.6 Flash is a video model from Alibaba (Qwen) (Dec 16, 2025), taking text prompts, reference images, audio and video and producing video. Seedance v1.5 Pro is a video model from ByteDance Seed (Dec 16, 2025), taking text prompts and reference images and producing video with sound.
Which is newer?
Wan v2.6 Flash Dec 16, 2025; Seedance v1.5 Pro Dec 16, 2025.
Which generates video with sound?
Generates an audio track with the video: Wan v2.6 Flash no; Seedance v1.5 Pro yes.
Can I run any of these on my own hardware?
No open weights. Both are available only through APIs and apps.
Related comparisons
- Wan v2.6 Flash vs Kling v2.6Kling AI · Dec 3, 2025
- Wan v2.6 Flash vs Grok Imagine VideoxAI · Jan 28, 2026
- Wan v2.6 Flash vs Veo 3.1Google · Oct 15, 2025
- Seedance v1.5 Pro vs Wan v2.6Alibaba (Qwen) · Dec 16, 2025
- Seedance v1.5 Pro vs Kling v2.6Kling AI · Dec 3, 2025
- Seedance v1.5 Pro vs Grok Imagine VideoxAI · Jan 28, 2026
