✨ Next-Gen In-Context Editing

Runway Aleph - Next-Generation AI Video Generation and Editing Model

With no need for expensive equipment or complex workflows, Runway Aleph lets you create professional-grade video edits and generations in just minutes, unlocking limitless creative possibilities.

Note: Input video to generate from. Videos must be less than 16MB. Only 5s of the input video will be used.

Click or drag video file here

MP4, MOV, etc. Max 16MB.

OR

Or, get inspired by a preset style:

Runway Aleph AI video generation preview
AI Video Generation Demo

Why Choose Runway Aleph?

Discover the next-generation tools that give you unparalleled creative control, from object-level editing to cinematic consistency.

🚀 For Every Industry

A go-to tool for filmmakers, marketers, game developers, and educators.

  • Filmmaking: Fix shots, upgrade VFX, and relight scenes.
  • Marketing: Create stunning ads and social content affordably.
  • Gaming: Quickly build cutscenes and character variants.
  • Education: Produce engaging videos for better learning.

🎬 All-in-One Toolkit

Everything you need for post-production in one place. No more switching between apps. You can:

  • Add, remove, or replace objects
  • Create new camera angles
  • Change style, color, and lighting
  • Transfer motion between clips
  • Perfect green screen effects

Work faster, save time, and focus on creating.

🧠 Smart Contextual AI

Our AI understands your entire video, not just one frame. This means no more weird glitches like inconsistent lighting or disappearing objects. Every edit looks natural and seamless.

💰 Studio Quality for Everyone

Get professional, cinema-grade results without the high cost. Aleph gives creators and small teams the power to produce incredible visuals—no expensive gear or big crew needed.

Focus on your creativity, not your budget.

How It Works

Unleash your creative vision in three simple steps. See how our generative AI transforms your footage from a basic clip into a cinematic masterpiece.

1

Upload Your Footage

Start by uploading your video clip. This becomes the canvas for the AI to work its magic. Our platform is optimized for all common video formats.

2

Describe Your Vision

This is where you become the director. Use simple text prompts to tell the AI what to modify, add, or remove. For example, 'Turn the street into a lush jungle.'

3

Generate & Download

Click 'Generate' and our AI gets to work, rendering your changes in moments. You can then instantly preview the new clip and download the final high-resolution video.

Gen‑4 vs Runway Aleph

Understand the key differences and strengths of each model to choose the right tool for your creative projects.

FeatureGen‑4Runway Aleph
FocusFull scene generationIn-context editing & transformation
StrengthStyle & consistency across shotsPrecise object replacement & VFX
Use CasesStorytelling, creative videoAds, scene edits, environment change

Real‑World Use Cases

From major film productions to viral social media content, see how professionals are using Runway Aleph to redefine what's possible in video.

Advertising

Swap logos or update product packaging instantly.

Game Trailers

Keep characters and settings consistent across sequences.

Film Production

Add props, change lighting, or rebuild environments.

Content Creation

Quick, professional-quality edits for social media.

Runway Aleph - FAQ

Your top questions answered. Learn about Aleph's capabilities, best practices, and how it compares to other generative video tools.

01

What is Runway Aleph?

Gen-4 Aleph is an advanced AI model from Runway that specializes in in-context video editing. It allows you to transform existing footage by replacing objects, adjusting lighting, and modifying environments with simple text prompts.
02

How is Aleph different from Gen-4?

While Gen-4 is designed for full scene generation from text or images, Aleph focuses on editing existing video footage. It excels at making precise changes within a shot while maintaining cinematic consistency.
03

What is the maximum length of video I can edit?

Currently, Gen-4 Aleph can process and render up to 5 seconds of footage per generation. For longer clips, you would need to edit them in 5-second segments.
04

What kind of footage works best?

For optimal results, use clear footage with relatively stable camera motion. Aleph works best when the object or area you want to modify is clearly visible and its motion can be tracked by the AI.
05

Do I need special software to use it?

You can access Gen-4 Aleph directly on our website, powered by the Runway API. There’s nothing to install — everything runs seamlessly in the cloud.
06

How many credits does a generation cost?

Each 5-second video generation with Gen-4 Aleph costs 18 credits. You can manage your credits and subscription plan directly from your Runway account dashboard.