Seedance 1.5 Pro
Cinematic AI video with native audio — the best value on Keyo Studio
Seedance 1.5 Pro is ByteDance's production-oriented video model, built for cinematic realism, strong prompt adherence, and native synchronized audio. It was ByteDance's first model to generate video and audio together in a single pass — giving you dialogue, sound effects, and ambient audio perfectly in sync, with no post-production step. On Keyo Studio, Seedance 1.5 Pro is the most affordable way to produce cinematic video with sound, starting at just 1 credit per second.
What is Seedance 1.5 Pro?
Seedance 1.5 Pro is ByteDance's cinematic AI video model, released in December 2025. It supports both text-to-video and image-to-video generation, producing clips from 4 to 12 seconds at up to 1080p resolution across aspect ratios including 16:9, 9:16, 1:1, 4:3, and 21:9. It was the model that introduced native audio to the Seedance line — a fundamental architectural shift that generates sound and picture together rather than adding audio after the fact.
Native audio and lip-sync
Seedance 1.5 Pro uses a dual-branch Diffusion-Transformer (DB-DiT) architecture that generates video and audio simultaneously, not one after the other — so the audio is perfectly synchronized from the start. When a character speaks, their lips move in exact time with the sound; when something happens on screen, you hear it at the precise moment. It supports accurate lip-sync across multiple languages — including English, Mandarin, Japanese, Korean, Spanish, and Portuguese — with dialect-specific support, delivering ready-to-use talking-character content without any separate audio work.
Cinematic realism and camera control
Built for a natural, live-action look, Seedance 1.5 Pro delivers stable lighting, harmonious color, and expressive, emotion-rich motion — well suited to ad creatives and short-drama-style content. It responds to professional cinematography instructions, so you can specify camera movements like dolly zooms, tracking shots, crane moves, and whip pans, along with lighting cues such as golden hour, studio, or neon. The result is coherent, premium-looking clips that follow your creative direction.
Image-to-video and character consistency
Seedance 1.5 Pro excels at turning a single still image into fluid, cinematic motion — preserving the reference image's subject, composition, identity, and fine details while adding expressive movement. It maintains character consistency across shots using reference-frame conditioning, so faces, clothing, and proportions stay stable when you generate multiple clips with the same character. This makes it dependable for image-driven workflows and character-based series.
Best use cases
Seedance 1.5 Pro is ideal for creators who want cinematic quality and native audio at the lowest cost: ad creatives and short-form drama, talking-character and dialogue content, image-to-video animation from a single frame, social media clips with built-in sound, and any high-volume workflow where budget matters. When you need reliable, affordable video with synchronized audio, Seedance 1.5 Pro is one of the best values available.
Pricing on Keyo Studio
On Keyo Studio, Seedance 1.5 Pro is the most affordable video model, priced per second of generated video by resolution: 1 credit per second at 720p and 2 credits per second at 1080p. Its low cost makes it ideal for high-volume production and everyday video work. For advanced multimodal reference control, the newer Seedance 2.0 is available.
Frequently asked questions
What is Seedance 1.5 Pro?
Seedance 1.5 Pro is ByteDance's most affordable video model on Keyo Studio, built for high-volume production and everyday video work at the lowest cost per second on the platform.
How much does Seedance 1.5 Pro cost on Keyo Studio?
Seedance 1.5 Pro is the most affordable video model on Keyo Studio: 1 credit per second at 720p and 2 credits per second at 1080p. Its low cost makes it ideal for high-volume production and everyday video work.
Why is Seedance 1.5 Pro so affordable?
Seedance 1.5 Pro is an earlier-generation model optimized for cost efficiency, making it the best choice on the platform for producing large volumes of video without high credit spend.
What's the difference between Seedance 1.5 Pro and Seedance 2.0?
Seedance 1.5 Pro is the budget-friendly option for everyday, high-volume video, while the newer Seedance 2.0 adds advanced multimodal reference control for characters, style, and composition. Choose 1.5 Pro for cost, 2.0 for control.
What can I use Seedance 1.5 Pro for?
Seedance 1.5 Pro is ideal for high-volume, cost-sensitive work — everyday clips, bulk content, and projects where you need many videos affordably rather than maximum reference control.
What resolutions does Seedance 1.5 Pro support?
Seedance 1.5 Pro supports 720p and 1080p output, priced at just 1 and 2 credits per second respectively — the lowest video pricing on Keyo Studio.