ModelRushVideoNew

Seedance 2.5 Spicy EXTEND API

Provide a 4–30 second source video and describe what comes before or after it. Generate a 4–30 second continuation with an adaptive aspect ratio and optional reference files. Billing includes input and output seconds.
Continue a video with a new segment480P, 720P, 1080POptional synchronized audio
Starting at
$0.076/ second
Try it in the PlaygroundLet an agent integrate this model

Input

async
53/30000
Estimated runWith video input, billing includes input and output seconds. This maximum allows up to 30 input seconds; unused credit is released after final usage is known.Current rate: $0.419 Per second of output

Output preview

This is a model capability preview. Sign in to submit a live request and inspect the generated result here.
video720P5s

Model information

Model ID
modelrush/seedance-2.5-spicy-extend
Integration status
Inputs
Prompt and source video; optional references
Output
Generated continuation, 4–30 seconds
Billing unit
Per second of output
Execution mode
Asynchronous. The request returns a generation ID; poll it or receive a webhook.
Available regions
US — Virginia
Last updated
Oct 15, 2026

Capabilities and limits

Duration
4–30s
Prompt limit
30,000 characters
Reference inputs
30 images · 10 videos · 10 audio clips

Best for

Private scene creationPersonal video variations

Current customer pricing

For each Operation and price variant, the highest regional customer price is shown.
ModelCapabilityPrice variantCustomer price
Seedance 2.5 Spicy EXTEND · modelrush/seedance-2.5-spicy-extendVideo generation1080P · input + output seconds$0.419 / second
Seedance 2.5 Spicy EXTEND · modelrush/seedance-2.5-spicy-extendVideo generation480P · input + output seconds$0.076 / second
Seedance 2.5 Spicy EXTEND · modelrush/seedance-2.5-spicy-extendVideo generation720P · input + output seconds$0.171 / second

Pricing and documentation

Seedance 2.5 Spicy EXTEND API pricingImage-to-video API documentation

Related guides

Introducing Seedance 2.5 Spicy on ModelRush. Try it today.

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