What is Seedance 1.5 Pro?

Seedance 1.5 Pro is ByteDance's flagship AI video generation model. It creates cinema-grade videos with native audio, multilingual dialogue (English, Chinese, Japanese, Korean, Spanish), natural lip-sync, and cinematic camera control. It supports both text-to-video and image-to-video with up to 2 reference images.

How much does Seedance 1.5 Pro cost?

Seedance 1.5 Pro starts at just 15 credits (480p, 4 seconds, no audio). Adding audio doubles the cost. Higher resolutions and longer durations increase the price. 720p/8s with audio costs 80 credits. New accounts get 60 free credits to try it.

What languages does Seedance 1.5 Pro support?

Seedance 1.5 Pro generates native audio in 5 languages: English, Chinese, Japanese, Korean, and Spanish. Include dialogue in your prompt (in quotes) and the model generates natural speech with lip-sync in the target language.

Can I use first and last frame images?

Yes! In image-to-video mode, you can upload up to 2 images. The first image becomes the starting frame and the second becomes the ending frame. Seedance generates a smooth video transition between them—perfect for product reveals and scene transitions.

How long are Seedance 1.5 Pro videos?

Seedance 1.5 Pro supports 3 duration options: 4 seconds (fastest, cheapest), 8 seconds (standard), and 12 seconds (longest, best for narrative). Choose based on your content needs and credit budget.

Does Seedance 1.5 Pro have an API?

Yes! VicSee offers API access to Seedance 1.5 Pro for developers. Check our API documentation at /developers for integration guides, code examples, and pricing.

Seedance 1.5 Pro vs Veo 3.1: which is better?

Seedance 1.5 Pro is more affordable (from 15 credits vs Veo's 58) and supports 5 dialogue languages. Veo 3.1 offers reference image consistency and frame control. Choose Seedance for budget-friendly audio content, Veo for cinematic storytelling with character consistency.

What is the fixed lens feature?

Fixed lens locks the camera position during video generation, creating stable tripod-like shots. This is ideal for dialogue scenes, product demos, and interviews where you want the focus on the subject without camera movement.

Seedance 1.5 Pro Video Generator

Cinema-grade AI videos with native audio, multilingual dialogue in 5 languages, lip-sync, and cinematic camera control. ByteDance's flagship model—from just 15 credits per video.

48 Credits

Key Features of Seedance 1.5 Pro

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Native Audio with Multilingual Dialogue:Generate dialogue in English, Chinese, Japanese, Korean, and Spanish with natural lip-sync
•
First + Last Frame Image-to-Video:Upload up to 2 images to control the start and end of your video for precise storytelling
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Cinematic Camera Control:Lock the camera for stable shots or let it move naturally with scene dynamics
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Extended Duration (Up to 12s):Generate 4, 8, or 12 second videos—the longest duration in the Seedance family

Native Audio with Multilingual Dialogue

Seedance 1.5 Pro generates native audio including dialogue, voiceover, sound effects, and ambient sounds. It supports 5 languages (English, Chinese, Japanese, Korean, Spanish) with natural lip-sync—multi-person conversations, emotional delivery, and background music all generated in a single pass.

First + Last Frame Image-to-Video

Upload a starting image and an ending image, and Seedance 1.5 Pro generates a smooth video transition between them. Perfect for product reveals, scene transitions, and controlled storytelling where you need precise beginning and ending shots.

Cinematic Camera Control

Control the camera behavior in your generated videos. Enable 'Fixed Lens' for stable, tripod-like shots—perfect for dialogue scenes and product demos. Or leave it off for dynamic, cinematic camera movements that follow the action.

Extended Duration — Up to 12 Seconds

Seedance 1.5 Pro supports 4, 8, or 12 second videos—giving you more creative room for storytelling, product demos, and complex scenes. The 12-second option is ideal for narrative content with dialogue.

How To Use Seedance 1.5 Pro on VicSee

Write Your Prompt with Audio Cues

Describe your scene and include dialogue in quotes. Add audio cues like 'birds chirping' or 'upbeat music'. Seedance interprets tone, emotion, and pacing.

Upload Images (Optional)

For image-to-video, upload 1-2 images as start and end frames. Seedance generates a smooth video transition between them.

Enable Audio & Generate

Toggle 'Enable Audio' for native dialogue and sound effects. Select duration (4s, 8s, or 12s), resolution, and click Generate.

Seedance 1.5 Pro vs Seedance 1.0

Choose the right Seedance model for your workflow:

Feature	Seedance 1.5 Pro	Seedance 1.0
Quality	Cinema-grade	High quality
Native Audio	Yes (5 languages)	No
Duration	4s / 8s / 12s	5s / 10s
Resolution	480p - 1080p	480p - 720p
Image-to-Video	Up to 2 images (first+last frame)	1 image
Starting Credits	15 credits (480p/4s)	28 credits (480p/5s)

Choose Seedance 1.5 Pro for native audio, multilingual dialogue, and cinematic quality. Choose Seedance 1.0 for fast, affordable clips without audio needs.

Try Seedance 1.0 Compare All Models

FAQs

Common questions about Seedance 1.5 Pro

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Dialogue + lip sync

Try Seedance 1.5 Pro Free on VicSee

Cinema-grade AI videos with native audio and multilingual dialogue. Start free with 60 credits—no credit card required.