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Runway Act 2 Image to Video: Image-to-Video

Upload a single character image and a driving video — the model transfers facial expressions and head movements from the video onto your image, bringing it to life. It works with photos, illustrations, or stylized portraits, making them speak, blink, and move naturally. Ideal for avatars, AI presenters, digital actors, and story scenes.

Interactive model controls

Upload a single character image and a driving video — the model transfers facial expressions and head movements from the video onto your image, bringing it to life. It works with photos, illustrations, or stylized portraits, making them speak, blink, and move naturally. Ideal for avatars, AI presenters, digital actors, and story scenes.

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Overview

About this model

Runway-Act-Two-i2v is an innovative AI-powered solution that transforms a static character image into a dynamic video performance by transferring facial expressions and head movements from a reference video. Leveraging advanced machine learning techniques, this model seamlessly integrates the essence of your chosen performance with the visual aesthetics of your submitted image, whether it's a photograph, illustration, or stylized portrait. The technology behind this system ensures that every nuance—from a subtle blink to a lively head nod—is captured with remarkable precision, thus breathing life into digital avatars and characters.

Designed for both technical experts and creative professionals, the model offers a robust and user-friendly interface with precise input parameters and flexible aspect ratios. Its competitive cost of only $0.07 per generation makes it an ideal choice for applications ranging from AI presenters and digital actors to engaging story scenes and interactive avatars, ensuring superior quality animation at a cost-effective price point.

1Creating lifelike avatars for virtual meetings and social media.
2Animating digital characters for video presentations and commercials.
3Developing interactive story scenes for gaming and entertainment.
4Producing dynamic AI presenters for webinars and online tutorials.
5Enhancing digital art by adding natural movements to illustrations and portraits.
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Pricing & Value

Cost analysis

muapiapp$0.07 per generation

muapiapp is 20-50% more affordable than its competitors while delivering comparable or superior quality.

Fal.ai$0.09 per generation

muapiapp offers a cost advantage of 20-50% over Fal.ai, making it a more budget-friendly option without compromising on quality.

Replicate$0.09 per generation

With muapiapp, you benefit from a 20-50% lower cost compared to Replicate, ensuring excellent value for high-quality video generation.

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

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Technical Details

Configuration schema

Image URLstring

URL of the input image. An image of your character. In the output, the character will use the reference video performance in its original static environment.

Default Valuehttps://d3adwkbyhxyrtq.cloudfront.net/ai-images/186/370295463570/85f21c1c-69cc-4786-92b3-1a2c95a6737e.jpg
Reference Video URLstring

A video URL pointing to a video of a person performing in the manner that you would like your character to perform.

Default Valuehttps://d3adwkbyhxyrtq.cloudfront.net/videos/186/703170005884/a024ec71-10b5-4d41-ab84-2055fb3f14b3.mp4
Aspect RatioEnum (6 options)

Aspect ratio of the output video.

Default Value16:9
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Implementation Guide

Developer documentation

How to Use Runway-Act-Two-i2v

  1. Prepare Your Image and Video:

    • Select a high-quality image of a single character (photo, illustration, or stylized portrait).
    • Choose a reference video where the subject demonstrates the performance you desire (e.g., speaking, blinking, or expressive head movements).

  2. Input Your Data:

    • Provide the image URL and the reference video URL as inputs.
    • Optionally, select an aspect ratio that matches your output needs (default is 16:9).

  3. Generate the Video:

    • Submit your inputs through the provided endpoint (runway-act-two-i2v).
    • The model processes the data and applies the reference video dynamics onto your image.

  4. Review and Refine:

    • After generation, review the output video to ensure it meets your expectations.
    • If necessary, adjust your inputs or select a different aspect ratio to improve the final result.

  5. Utilize the Output:

    • Use the animated video in your projects as a dynamic avatar, digital actor, or any creative content requirement.

Enjoy bringing your characters to life with Runway-Act-Two-i2v!

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Common Questions

Frequently asked

What types of images work best with Runway-Act-Two-i2v?

The model is optimized for images featuring a single character. It works exceptionally well with photos, illustrations, and stylized portraits. For best results, use a clear and high-resolution image where the subject’s face is prominently visible.

How does the reference video influence the output?

The reference video serves as a performance guide by providing facial expressions and head movements. These dynamics are transferred onto the input image, resulting in a natural and lifelike animated video that mirrors the original performance.

Can I adjust the aspect ratio of the generated video?

Yes, you can select from multiple aspect ratios including 16:9, 9:16, 1:1, 4:3, 3:4, and 21:9. The default setting is 16:9, but the flexibility allows you to tailor the output to your specific display requirements.