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Seedance 2.1 Text to Video: AI Video Generator

Generate cinematic videos from text with Seedance 2.1. Improved scene coherence, richer motion, and sharper prompt adherence at up to 1080p. Try free — pay per generation, no subscription.

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Overview

About this model

Seedance 2.1 Text-to-Video generates high-quality cinematic video clips directly from text descriptions. Building on the strengths of v1.5, this model delivers significantly improved scene coherence, richer atmospheric motion, and more precise interpretation of complex prompts. Whether you need sweeping cinematic sequences, dynamic action shots, or detailed environmental animations, Seedance 2.1 T2V produces compelling results at up to 1080p with native audio synthesis support.

1Film Production: Generate animatics and concept sequences from screenplay descriptions.
2Advertising: Create dynamic video backgrounds and hero reels from creative briefs.
3Gaming: Produce cinematic cutscene previews from narrative prompts.
4Education: Visualize complex scenarios or historical events as video sequences.
5Social Media: Generate trending short-form video content from text ideas.
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Pricing & Value

Cost analysis

muapi$0.40 per generation

Pay per generation. No subscription required.

Fal.aiNot available

Seedance 2.1 is not yet available on Fal.ai.

ReplicateNot available

Seedance 2.1 is not yet available on Replicate.

* Competitor pricing is estimated based on similar model architectures and usage tiers.

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Technical Details

Configuration schema

Promptstring

Text prompt describing the video scene and motion.

Default ValueA colossal floating city drifts above luminous clouds at dusk, golden energy streams flowing between its towers, cinematic wide shot with subtle camera push, epic atmospheric lighting.
Aspect RatioEnum (6 options)

Aspect ratio of the output video.

Default Value16:9
Durationint

The duration of the generated video in seconds.

Default Value5
ResolutionEnum (3 options)

Output video resolution.

Default Value720p
Generate Audioboolean

Whether to generate audio for the video.

Default Valuetrue
Camera Fixedboolean

Whether to fix the camera position.

Default Valuefalse
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Implementation Guide

Developer documentation

How to Use Seedance 2.1 Text-to-Video

  1. Write a Detailed Prompt

    • Describe the scene, atmosphere, camera movement, and mood.
    • Example: "A colossal floating city drifts above luminous clouds at dusk, golden energy streams flowing between towers, cinematic wide shot with slow camera push."
    • More detail yields better results — include lighting, environment, and motion specifics.

  2. Configure Video Parameters

    • Choose your aspect_ratio (16:9, 9:16, 1:1, 4:3, 3:4, or 21:9).
    • Set resolution to 480p, 720p, or 1080p.
    • Set duration between 4 and 12 seconds.

  3. Optional Settings

    • Enable generate_audio for ambient audio.
    • Set camera_fixed to true for a static camera perspective.

  4. Submit and Retrieve

    • Send the request to seedance-2.1-t2v and poll until status is completed.
    • The output contains a video URL for streaming or download.
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Common Questions

Frequently asked

What types of scenes does Seedance 2.1 T2V handle best?

Seedance 2.1 T2V excels at cinematic environments — sweeping landscapes, sci-fi settings, fantasy worlds, and atmospheric interiors. It performs well with complex lighting descriptions and multi-element scenes.

How long can the generated videos be?

Videos can range from 4 to 12 seconds in duration, set via the `duration` parameter.

Does the model generate audio?

Yes. Set `generate_audio` to true and the model will produce scene-appropriate ambient audio alongside the video.

What aspect ratios are supported?

Seedance 2.1 T2V supports 16:9, 9:16, 1:1, 4:3, 3:4, and 21:9 aspect ratios.