Veo 3.1 vs Seedance 2.5
A practical comparison of two video models: what each does best, what it costs, and how they differ on the same prompts.
Quick verdict
Google’s flagship video model with native, synchronized audio.
Choose Veo 3.1 for
- Talking characters and scenes with sound
- Cinematic B-roll and ads
- Short-form social video
ByteDance
ByteDance’s video model for longer clips with synchronized audio.
Choose Seedance 2.5 for
- Longer shots and short narrative scenes
- Social video with sound
- Animating photos and illustrations
Specs side by side
| Spec | Veo 3.1 | Seedance 2.5 |
|---|---|---|
| Developer | ByteDance | |
| Type | video | video |
| Where to use it | AiLoft video studio (Fast and Quality), Gemini app, Flow, Gemini API | AiLoft video studio, ByteDance Dreamina / Volcano Engine |
| Price | 200–1000 credits / clip | 350–4740 credits / clip |
| Open weights | No | No |
| Resolutions | 720p | 480p · 720p · 1080p |
| Aspect ratios | 16:9 · 9:16 | 16:9 · 9:16 · 1:1 |
| Reference / start images | Yes | Yes |
| Clip length | 8s | 5s / 10s / 15s |
| Native audio | Yes | Yes |
Same prompt, side by side
Each test stresses a different skill. Click “Run both” to send the prompt to both models at once — results appear next to each other.
Camera motion
What it testsSmooth dolly movement and stable geometry.
Slow dolly-in through a rainy neon-lit Tokyo alley at night, reflections on wet pavement, steam rising from a ramen stall, cinematic, shallow depth of field
Physics & action
What it testsWater, cloth and body motion that obey physics.
A surfer carving a turn on a large turquoise wave, spray flying off the board, slow motion, golden hour backlight, tracking shot from the water
Character & dialogue
What it testsFacial consistency and lip sync on models with audio.
Close-up of a friendly barista in a sunlit café looking at the camera and saying "Your oat latte is ready!", ambient café chatter, espresso machine hiss
Strengths and limitations
Veo 3.1
- Native audio: dialogue, ambience and SFX in one pass
- Cinematic camera moves and realistic physics
- Image-to-video from a start frame
- Fixed 8-second clip length
- Landscape and portrait only (no 1:1)
- Quality tier is the most expensive video option
Seedance 2.5
- Clips up to 15 seconds in one take
- Native audio generated with the picture
- Image-to-video from a start frame
- Higher price per clip than Kling 2.5 Turbo
- 720p output on AiLoft
FAQ
Is Veo 3.1 better than Seedance 2.5?
Neither wins everywhere. Veo 3.1’s standout strength: native audio: dialogue, ambience and sfx in one pass. Seedance 2.5’s standout strength: clips up to 15 seconds in one take. The quickest way to decide is to run your own prompt on both.
Which is cheaper, Veo 3.1 or Seedance 2.5?
Veo 3.1: 200–1000 credits / clip Seedance 2.5: 350–4740 credits / clip
Can I use Veo 3.1 and Seedance 2.5 in one place?
Yes. In AiLoft’s compare mode you select both Veo 3.1 and Seedance 2.5, write one prompt, and get both results side by side. Each model is charged at its normal credit price.
Are Veo 3.1 and Seedance 2.5 open source?
Veo 3.1 is closed. Seedance 2.5 is closed.
Stop guessing — compare on your own prompt
Pick up to 4 image models (or 3 video models), write one prompt, and see every result side by side.