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AISVIT / AI Video / Text to Video

Seedance 2.0 Fast Text-to-Video Online

Create quick Seedance 2.0 Fast text-to-video drafts online with synchronized audio in 480p or 720p. Test motion and camera ideas at a lower draft cost.

About this model

Seedance 2.0 Fast is a faster Seedance 2.0 variant for short text-to-video and image-to-video clips. Use it for drafts, quick scene checks, ads, demos, and social content.

Text to Video mode

In this mode the model generates a video clip from a written prompt without any source media. Below are the parameters that Seedance 2.0 Fast supports in this specific mode.

Seedance 2.0 Fast parameters in Text to Video mode

  • prompt — required
  • duration — default: 5
  • resolution — options: 480p, 720p; default: 720p
  • aspect_ratio — options: 16:9, 4:3, 1:1, 3:4, 9:16, 21:9, 9:21, adaptive; default: 16:9
  • generate_audio — default: true

When is this model useful?

Choose Seedance 2.0 Fast when speed matters more than maximum fidelity and you need to compare several video ideas quickly.

Best fit tasks

  • Fast drafts for ads, teasers, product demos, and short scenes.
  • Text-to-video tests for camera motion, composition, mood, and scene direction.
  • Image-to-video animation from a product shot, portrait, photo, or illustration.
  • A lower-cost iteration step before a final render in full Seedance 2.0.

Main advantages

  • It generates faster than standard Seedance 2.0, which makes it practical for repeated attempts.
  • Audio and video are generated together, so you can judge the full scene draft in one pass.
  • It supports start images, optional last frames, and reference images for stronger style or subject consistency.
  • 720p output is cheaper than full Seedance 2.0, which makes the model useful for draft work.

Limitations to know

  • The Fast variant trades some detail and consistency for speed.
  • This model supports 480p and 720p; use standard Seedance 2.0 when you need 1080p.
  • Start or last-frame images cannot be combined with reference images in the same generation.
  • Use a concrete duration when you want predictable billing.

How to use this model

Start with a concise scene prompt, test in 480p or 720p, then move the strongest ideas to full Seedance 2.0 if you need higher quality.

Simple workflow

  1. Describe the subject, action, location, lighting, mood, sound, and camera movement.
  2. For image animation, upload a start image. Add a last frame when the ending matters.
  3. Use reference images when the character, product, or style needs to remain more consistent.
  4. Choose 480p for the cheapest draft or 720p for a cleaner preview.
  5. Keep the first test around 5 seconds, then increase duration once the direction works.

Prompt examples

  • Prompt example: A coffee cup on a desk in morning sunlight, steam rising, slow push-in, soft cafe ambience.
  • Prompt example: A sneaker lands on a clean studio floor, quick product reveal, crisp shadow, short impact sound.

Supported inputs

  • Required: a text prompt.
  • Optional: one start image.
  • Optional: one last-frame image together with a start image.
  • Optional: reference images for stronger style or subject consistency.

What you get

  • A generated MP4 video file.
  • 480p or 720p output.
  • Video with synchronized audio when Generate audio is enabled.
  • A short clip for drafts, ads, demos, and social content.

Other modes for this model

Mode catalog

More Text to Video models

AISVIT pricing details

  • 480p without reference videos: 7 credits per second
  • 720p without reference videos: 15 credits per second
  • 480p with reference videos: 8 credits per second
  • 720p with reference videos: 17 credits per second