Seedance v1.5 Pro vs Wan v2.6 Flash
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.
ByteDance SeedSeedance v1.5 Pro
- Arena1,307
- From$0.011/s
- Max length12 s
Alibaba (Qwen)Wan v2.6 Flash
- 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.
- NewestSame release dateSeedance v1.5 Pro Dec 16, 2025 · Wan v2.6 Flash Dec 16, 2025
- Widest inputsWan v2.6 FlashSeedance v1.5 Pro: Text prompts, Reference images · Wan v2.6 Flash: Text prompts, Reference images, Audio, Video
- Native audioSeedance v1.5 ProGenerates an audio track with the video: Seedance v1.5 Pro yes · Wan v2.6 Flash no
- Image to videoBoth animate imagesStarts from an uploaded image: Seedance v1.5 Pro yes · Wan v2.6 Flash yes
- Self-hostingNo open weightsBoth are available only through APIs and apps
- Most API hostsSame reachSeedance v1.5 Pro: 1 · Wan v2.6 Flash: 1
Every spec in one table
Dashes mean the data is not published.
| Specification | Seedance v1.5 ProByteDance Seed | Wan v2.6 FlashAlibaba (Qwen) |
|---|---|---|
| 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 with sound | Video |
| 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 | No | Yes |
| Audio input | No | Yes |
| Access | ||
| Weights | Proprietary | Proprietary |
| API hosts | 1 | 1 |
| Released | Dec 16, 2025 | Dec 16, 2025 |
Which should you choose?
Which is better, Seedance v1.5 Pro or Wan v2.6 Flash?
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?
Seedance v1.5 Pro: 4–12 s, 480p / 720p / 1080p; Wan v2.6 Flash: length not published.
What is the difference between Seedance v1.5 Pro and Wan v2.6 Flash?
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. 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.
Which is newer?
Seedance v1.5 Pro Dec 16, 2025; Wan v2.6 Flash Dec 16, 2025.
Which generates video with sound?
Generates an audio track with the video: Seedance v1.5 Pro yes; Wan v2.6 Flash no.
Can I run any of these on my own hardware?
No open weights. Both are available only through APIs and apps.
Related comparisons
- 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
- Seedance v1.5 Pro vs Veo 3.1Google · Oct 15, 2025
- Wan v2.6 Flash vs Kling v2.6Kling AI · Dec 3, 2025
- Wan v2.6 Flash vs Grok Imagine VideoxAI · Jan 28, 2026
