Wan 2.7 Video Extend: AI Video Editor

Extend existing videos seamlessly with Wan 2.7.

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Overview

About this model

Alibaba WAN 2.7 Video Extend seamlessly elongates existing videos by interpolating from the last frames with optional audio.

1Content Extension: Fix abruptly cut short videos by cleanly continuing motion.
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Pricing & Value

Cost analysis

muapiapp0.02 - 0.03 credits per second

Dynamic pricing based on resolution and length.

Model Provider$0.05+ per clip

Less flexible than our per-second billing.

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

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Technical Details

Configuration schema

Promptstring

Describe how to extend the video.

Default ValueContinue the scene with the person turning around...
Video Urlstring

The video for generating the output.

Default Valueundefined
Audio Urlstring

Audio URL to guide generation (optional).

Default Value-
Negative Promptstring

What not to generate

Default Valueundefined
ResolutionEnum (2 options)

-

Default Value720p
Durationint

Total duration of the final output video in seconds (5-15).

Default Value5
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Implementation Guide

Developer documentation

Upload the base video, insert your desired continuous duration (between 5 and 15 seconds), and prompt the continuation flow.

Common Questions

Frequently asked

What happens to the existing audio?

You can insert new audio context via the audio URL.