Seedance 1.5 Pro

Model Information

Display Name: Seedance 1.5 Pro

API Model ID: bytedance/seedance-1.5-pro

Category: Image To Video

Description: Seedance 1.5 Pro is ByteDance's professional-grade audio-visual co-generation model, capable of creating videos with synchronized audio, multilingual dialogue, and cinematic quality. **Key Features:** - Audio-visual co-generation with millisecond-level sync - First frame and last frame control for style/composition locking - Multi-shot narrative and HD generation - Multilingual dialogue with lip-sync (English, Mandarin, Japanese, Korean, Spanish, Indonesian) - Ambient sounds, action sounds, instruments, background music, and voice generation **Capabilities:** - Text-to-video generation - Image-to-video (first frame / last frame control) - Integrated audio generation - Character emotion capture - Fixed camera angle option **Best For:** - Professional video content creation - Cinematic short clips with audio - Multilingual video production - Marketing and advertising videos - Narrative-driven video content **Output Options:** - Resolution: 480p - Aspect Ratio: 16:9 - Duration: 4-12 seconds (or auto) - Audio: Optional synchronized audio **Technical Specs:** - Multi-shot narrative generation - Cinematic-grade creative quality - Autonomous agent swarm orchestration - License: Proprietary (ByteDance)

How to Use This Model

To use Seedance 1.5 Pro via the HInow.ai API, use the model ID: bytedance/seedance-1.5-pro

API Request Example (Image Generation)


POST https://api.hinow.ai/v1/images
Authorization: Bearer YOUR_API_KEY
Content-Type: application/json

{
  "model": "bytedance/seedance-1.5-pro",
  "prompt": "Your image description here"
}
              

Pricing

  • input: $1.80
  • output: $1.80

Available Parameters

  • duration: Video duration in seconds. -1 lets the model decide. Default: 5 (Options: -1, 4, 5, 6, 7, 8, 9, 10, 11, 12)
  • resolution: Output video resolution (Options: 480p)
  • aspect_ratio: Output video aspect ratio (Options: 16:9)
  • camera_fixed: Whether to use a fixed camera angle. Default: false (Options: true, false)
  • generate_audio: Whether to generate synchronized audio with the video. Default: false (Options: true, false)
  • watermark: Whether to add a watermark to the output video. Default: false (Options: true, false)

Quick Reference

To use this model, set: "model": "bytedance/seedance-1.5-pro"

Featured: Yes

Documentation: https://hinow.ai/models/bytedance/seedance-1.5-pro

API Endpoint: https://api.hinow.ai/v1

Back to Models

Seedance 1.5 Pro

Featured

bytedance/seedance-1.5-pro

$1.80 / $1.80
per 1M tokens (in/out)

About

Seedance 1.5 Pro is ByteDance's professional-grade audio-visual co-generation model, capable of creating videos with synchronized audio, multilingual dialogue, and cinematic quality.

Key Features:

  • Audio-visual co-generation with millisecond-level sync
  • First frame and last frame control for style/composition locking
  • Multi-shot narrative and HD generation
  • Multilingual dialogue with lip-sync (English, Mandarin, Japanese, Korean, Spanish, Indonesian)
  • Ambient sounds, action sounds, instruments, background music, and voice generation

Capabilities:

  • Text-to-video generation
  • Image-to-video (first frame / last frame control)
  • Integrated audio generation
  • Character emotion capture
  • Fixed camera angle option

Best For:

  • Professional video content creation
  • Cinematic short clips with audio
  • Multilingual video production
  • Marketing and advertising videos
  • Narrative-driven video content

Output Options:

  • Resolution: 480p
  • Aspect Ratio: 16:9
  • Duration: 4-12 seconds (or auto)
  • Audio: Optional synchronized audio

Technical Specs:

  • Multi-shot narrative generation
  • Cinematic-grade creative quality
  • Autonomous agent swarm orchestration
  • License: Proprietary (ByteDance)

Capabilities

Image To VideoText To Video

Parameters

duration

Video duration in seconds. -1 lets the model decide. Default: 5

-1456789101112
resolution

Output video resolution

480p
aspect_ratio

Output video aspect ratio

16:9
camera_fixed

Whether to use a fixed camera angle. Default: false

truefalse
generate_audio

Whether to generate synchronized audio with the video. Default: false

truefalse
watermark

Whether to add a watermark to the output video. Default: false

truefalse

Code Examples

curl -X POST https://api.hinow.ai/v1/videos \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $HINOW_API_KEY" \
  -d '{
    "model": "bytedance/seedance-1.5-pro",
    "prompt": "A cat playing with a ball",
    "images": ["https://example.com/image.jpg"],
    "parameters": {
      "duration": "-1",
      "resolution": "480p",
      "aspect_ratio": "16:9",
      "camera_fixed": "true",
      "generate_audio": "true",
      "watermark": "true"
    }
  }'