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Runway Aleph

A frontier video editing model developed by Runway: edits, varies and enhances video footage.

TL;DR

Amazing model if you need to edit or vary (AI-generated) video footage without traditional software or video/motion experts.

Strengths for marketers

  • Easy editing: Turn basic or imperfect videos into professional marketing content with simple text prompts.

  • Video variations: Generate different camera angles and variations from a single video.

  • Professional VFX: Remove video backgrounds or add cinematic effects that normally require expensive equipment and specialized teams.

Ideal use cases

  • Product showcases: Add your product to existing lifestyle footage or remove competing products or objects from scenes.

  • UGC Ads & social media video content: Create multiple camera angles from one video for different platform formats.

  • Campaign variations: Generate different versions of the same scene for A/B testing.

  • Brand consistency: Remove unwanted logos, signs, or elements that don't match your brand.

Weaknesses

  • Only works with existing video (can't create from scratch)

  • Limited to 5-second clips

  • Auto-crops videos to fit supported formats


How to use effectively

Keep prompts simple with two parts:

  1. Action word: "add," "remove," "change," "replace," "re-light"

  2. What you want: Clear description of the change

Example prompts

  • "Remove the person in the background"

  • "Add rain to the scene"

  • "Change the lighting to golden hour"

  • "Replace the blue car with a red one"


Model parameters

Inputs accepted

  • Video file (up to 5 seconds) + Text prompt

  • Video file + Text prompt + Reference image (for style/color guidance)

Output characteristics

  • Resolution: 1280x720 (HD)

  • Duration: Up to 5 seconds

  • Format: Automatically crops to supported aspect ratios

    • 16:9 — 1280x720 px

    • 9:16 — 720x1280 px

    • 1:1 — 960x960 px

    • 4:3 — 1104x832 px

    • 3:4 — 832x1104 px

    • 21:9 — 1584x672 px

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