Sora 2 vs Seedance v1.0 Pro Fast
Newest: Seedance v1.0 Pro Fast · Native audio: No native audio · Self-hosting: No open weights. Not enough arena votes yet for a quality score, so this is a spec comparison.
OpenAISora 2
- Arena1,343
- From—
- Max length—
ByteDance SeedSeedance v1.0 Pro Fast
- Arena—
- From—
- Max length—
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Make it a three-way comparison.
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 FastSora 2 Oct 6, 2025 · Seedance v1.0 Pro Fast Oct 24, 2025
- Widest inputsSame inputsSora 2: Text prompts, Reference images · Seedance v1.0 Pro Fast: Text prompts, Reference images
- Native audioNo native audioGenerates an audio track with the video: Sora 2 no · Seedance v1.0 Pro Fast no
- Image to videoBoth animate imagesStarts from an uploaded image: Sora 2 yes · Seedance v1.0 Pro Fast yes
- Self-hostingNo open weightsBoth are available only through APIs and apps
- Most API hostsSame reachSora 2: 1 · Seedance v1.0 Pro Fast: 1
Every spec in one table
Dashes mean the data is not published.
| Specification | Sora 2OpenAI | Seedance v1.0 Pro FastByteDance Seed |
|---|---|---|
| Quality (blind human votes) | ||
| Text to video arenaElo-style score · higher is better | 1,343 ±6#17 of 48 · 71,947 votes | — |
| Output | ||
| Produces | Video | Video |
| Inputs | ||
| Text prompts | Yes | Yes |
| Start image (image to video) | Yes | Yes |
| Video input | No | No |
| Audio input | No | No |
| Access | ||
| Weights | Proprietary | Proprietary |
| API hosts | 1 | 1 |
| Released | Oct 6, 2025 | Oct 24, 2025 |
Which should you choose?
Which is better, Sora 2 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 Sora 2 and Seedance v1.0 Pro Fast?
Sora 2 is a video model from OpenAI (Oct 6, 2025), taking text prompts and reference images 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?
Sora 2 Oct 6, 2025; Seedance v1.0 Pro Fast Oct 24, 2025.
Which generates video with sound?
Generates an audio track with the video: Sora 2 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.
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- Seedance v1.0 Pro Fast vs Veo 3.1Google · Oct 15, 2025
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