Seedance 2.5 vs FLUX 3 Video
Preferred for text to video: Too close to call · Preferred for image to video: Seedance 2.5 · Lowest entry price: Seedance 2.5. Quality scores are blind human-preference votes; specs and prices come from each lab’s listings.
ByteDance SeedSeedance 2.5
- Arena1,477
- From$0.103/s
- Max length30 s
Black Forest LabsFLUX 3 Video
- Arena1,493
- From$0.17/s
- Max length20 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.
- Preferred for text to videoToo close to callSeedance 2.5 1,474 (#7) · FLUX 3 Video 1,493 (#3) — blind human votes
- Preferred for image to videoSeedance 2.5Seedance 2.5 1,477 (#4) · FLUX 3 Video 1,449 (#9) — blind human votes
- Lowest entry priceSeedance 2.5Seedance 2.5 from $0.103/s (480p) · FLUX 3 Video from $0.17/s (720p)
- Longest clipsSeedance 2.5Seedance 2.5: 4–30 s · FLUX 3 Video: 5–20 s
- Highest resolutionFLUX 3 VideoSeedance 2.5: 720p · FLUX 3 Video: 4K
- NewestFLUX 3 VideoSeedance 2.5 Jul 31, 2026 · FLUX 3 Video Aug 4, 2026
- Widest inputsSeedance 2.5Seedance 2.5: Text prompts, Reference images, Audio, Video · FLUX 3 Video: Text prompts, Reference images, Video
- Native audioBoth generate soundGenerates an audio track with the video: Seedance 2.5 yes · FLUX 3 Video yes
- Image to videoBoth animate imagesStarts from an uploaded image: Seedance 2.5 yes · FLUX 3 Video yes
- Self-hostingNo open weightsBoth are available only through APIs and apps
- Most API hostsSame reachSeedance 2.5: 1 · FLUX 3 Video: 1
Every spec in one table
Dashes mean the data is not published.
| Specification | Seedance 2.5ByteDance Seed | FLUX 3 VideoBlack Forest Labs |
|---|---|---|
| Quality (blind human votes) | ||
| Text to video arenaElo-style score · higher is better | 1,474 ±9#7 of 48 · 8,001 votes | 1,493 ±17#3 of 48 · 1,302 votes (best) |
| Image to video arenaElo-style score · higher is better | 1,477 ±7#4 of 48 · 15,729 votes (best) | 1,449 ±5#9 of 48 · 37,042 votes |
| Price | ||
| Starting price | $0.103/s 480p (best) | $0.17/s 720p |
| Top price | — | $0.41/s 4K |
| 10-second clip | $1.03at the starting rate (best) | $1.70at the starting rate |
| How it is billed | Billed per video token ($10.70 per million); higher at 720p. | Per second |
| Output | ||
| Produces | Video with sound | Video with sound |
| Resolutions | 480p · 720p | 720p · 1080p · 2K · 4K |
| Highest resolution | 720p | 4K (best) |
| Clip length | 4–30 s | 5–20 s |
| Longest clip | 30 s (best) | 20 s |
| 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 | No |
| References | Up to 50 image, video and audio assets | A video to continue |
| Access | ||
| Weights | Proprietary | Proprietary |
| API hosts | 1 | 1 |
| Released | Jul 31, 2026 | Aug 4, 2026 |
Which should you choose?
Which is better, Seedance 2.5 or FLUX 3 Video?
For text to video, voters rate them about the same (Seedance 2.5 1,474 (#7) · FLUX 3 Video 1,493 (#3)). For image to video, voters prefer Seedance 2.5 (Seedance 2.5 1,477 (#4) · FLUX 3 Video 1,449 (#9)). Arena scores come from blind, side-by-side human votes on the same prompts; when the gap is inside both models’ error margins we call it a tie. Test your own prompts before you commit.
Which is cheaper?
Seedance 2.5 costs from $0.103/s (480p); FLUX 3 Video costs from $0.17/s (720p), up to $0.41/s (4K). A 10-second clip at the lowest rate: Seedance 2.5 $1.03, FLUX 3 Video $1.70. Prices are list rates and change often; check the lab before budgeting.
How long can the videos be, and at what resolution?
Seedance 2.5: 4–30 s, 480p / 720p; FLUX 3 Video: 5–20 s, 720p / 1080p / 2K / 4K.
What is the difference between Seedance 2.5 and FLUX 3 Video?
Seedance 2.5 is a video model from ByteDance Seed (Jul 31, 2026), taking text prompts, reference images, audio and video and producing video with sound. FLUX 3 Video is a video model from Black Forest Labs (Aug 4, 2026), taking text prompts, reference images and video and producing video with sound.
Which is newer?
Seedance 2.5 Jul 31, 2026; FLUX 3 Video Aug 4, 2026.
Which generates video with sound?
Generates an audio track with the video: Seedance 2.5 yes; FLUX 3 Video yes.
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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