Seedance 2 Fast

Overview

seedance-2-fast is the quicker Seedance variant — same family behavior as seedance-2-pro, ~20% cheaper per second, faster turnaround. Native audio bundled. 720p output. Right for short social clips, UI motion, and rapid iteration where round-trip time beats absolute polish.

Specs

Field	Value
Model ID	`seedance-2-fast`
Creator	ByteDance
Best for	Social shorts, UI motion, rapid iteration, product demos
Default duration	5 seconds
Max duration	10 seconds
Input modalities	Text, image (I2V)
Output modalities	Video, audio
Resolution	720p
Audio	Bundled
Pricing mode	Per second

Pricing

	Cost
Per second	$0.326565
Default 5s clip	$1.63283

Use this when

You’re iterating on prompts and need fast turnaround.
You’re producing many short social clips per day.
You can accept ~20% less polish than seedance-2-pro for the cost saving.

Pick something else when

The clip needs flagship Seedance polish: use seedance-2-pro.
You want a 1080p cinematic look (not 720p): use kling-3-pro or kling-3-pro-audio.
You need the cheapest cinematic Kling tier: use kling-2.5-pro.

Example

curl -X POST https://kymaapi.com/v1/videos/generations \
  -H "Authorization: Bearer $KYMA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "seedance-2-fast",
    "prompt": "a phone notification slides in from the right, soft chime, clean UI background",
    "duration": 5
  }'

The endpoint is async — POST returns 202 with a job_id; poll GET /v1/jobs/{id} until status is succeeded.

Models

Overview

Specs

Pricing

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Example

See also

​Overview

​Specs

​Pricing

​Use this when

​Pick something else when

​Example

​See also

Overview

Specs

Pricing

Use this when

Pick something else when

Example

See also