ByteDance · Video model

Seedance 1.5 Pro.

ByteDance's next-generation audio-visual generation model with a 4.5B parameter Dual-Branch Diffusion Transformer architecture. Seedance 1.5 Pro generates video and audio simultaneously in a single unified pass — eliminating the timing...

Balanced quality

28

#12 among comparable OpenRouter models

Text to video

1000 Elo

Arena rank #19

Image to video

1000 Elo

Arena rank #19

Price

$11.86

Per minute at the evaluated setting

What this means.

This model has direct preference evidence for both creating video from text and animating an existing image. The balanced score gives both workflows equal importance.

Practical specifications.

Resolutions
480p, 720p, 1080p
Aspect ratios
1:1, 3:4, 9:16, 9:21, 4:3, 16:9, 21:9
Durations
4–12 seconds
Generates audio
Yes
First/last frame control
first_frame, last_frame

See where Seedance 1.5 Pro stands.

ModelCompanyQualityEvidence
Seedance 2.0ByteDance98Both workflows / exact match
HappyHorse 1.1Alibaba88Both workflows / exact match
HappyHorse 1.0Alibaba82Both workflows / exact match
Grok Imagine Video 1.5xAI80Limited
Wan 2.7Alibaba78Both workflows / exact match
Video v3.0 ProKling AI70Both workflows / exact match
Veo 3.1Google68Both workflows / exact match
Video v3.0 StandardKling AI60Both workflows / exact match
Veo 3.1 FastGoogle58Both workflows / exact match
Grok Imagine VideoxAI52Both workflows / exact match
Veo 3.1 LiteGoogle46Both workflows / exact match
Seedance 1.5 ProByteDance28Both workflows / exact match