ByteDance

Seedance 1

Seedance 1 is ByteDance's earlier generation of video models offering solid text-to-video and image-to-video for everyday production. The 1.5 Pro variant adds 1080p output and optional audio generation.

The Seedance 1 family provides a budget-friendly entry point to ByteDance's video generation technology. Version 1.0 supports Lite and Pro quality tiers for balancing speed and fidelity, while the 1.5 Pro upgrade brings 1080p resolution and the ability to generate synchronized audio alongside video. Both variants handle standard aspect ratios and deliver reliable results for everyday content creation.

Illustrative sample of a Seedance 1 everyday video still showing budget-friendly text-to-video output on the Astorie canvas
Illustrative sample — representative output, not a verbatim model render

Seedance 1 Variants

VariantDescription
Seedance V1Earlier generation with Lite and Pro quality tiers at budget-friendly pricing.
Seedance 1.5 ProUpgraded variant with 1080p resolution and optional audio generation.

Capabilities

Text-to-Video
Image-to-Video
Video-to-Video
Reference Images
End Frame
Storyboard
Audio-Driven

Supported Aspect Ratios

1:116:99:164:33:421:9

Quality Tiers

Lite
Pro

Higher quality tiers generally offer better detail and consistency, but require more credits and generation time.

Best For

  • Budget-conscious video production
  • Quick drafts and concept tests
  • Videos with generated audio via 1.5 Pro

Strengths

  • Lighter-weight option than the Seedance 2 family for everyday output
  • Dual Lite/Pro quality tiers on V1
  • 1.5 Pro adds 1080p and audio generation

Limitations

  • Fewer aspect ratio options than Seedance 2
  • No video-to-video or reference image support
  • Lower overall quality ceiling compared to current-generation models

Tips & Best Practices

Use Seedance V1 Lite for fast, low-cost drafts and Pro for polished output.
Enable audio on 1.5 Pro to produce complete video-with-sound assets.
Consider upgrading to Seedance 2 when you need wider aspect ratios or V2V editing.

Use Seedance 1 on Astorie

Connect Seedance 1 with other AI models on Astorie's infinite canvas. No GPU required — start free.

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