How to Build Your Own Runway
Replace Runway with a custom build. Building AI to Simulate the World
Build Difficulty: 5/5
Build a working replacement in a weekend with AI tools
Estimated Timeline
Based on 35 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.
Recommended Tech Stack
Full-stack React framework with API routes and server components
PostgreSQL database, auth, and real-time subscriptions
Utility-first styling for rapid UI development
Key Features to Replicate
Top features across 8 categories. See all 35 features
Generative Video(5 features)
Generative video model with optimized performance
Image-to-video generation tool with improved speed and performance
The world's best video model featuring state-of-the-art motion quality, prompt adherence and visual fidelity for text-to-video generation
Video generation model
Video generation model
Generative Audio(4 features)
Collection of AI-powered audio applications
Create custom voices for lip sync and text-to-speech applications
AI-powered audio generation capabilities
Convert text to speech with AI generation
Video Editing(4 features)
Performance capture tool for video generation and editing
Video editing application with AI capabilities
Remove watermarks from all video models
Collection of AI-powered video editing and generation applications
Support(3 features)
Dedicated onboarding program for enterprise teams
Dedicated success program for enterprise customers
Priority customer support for enterprise customers
Generative AI(2 features)
Generative AI model
Advanced generative model integration
Generative Image(2 features)
Text-to-image and reference-based image generation model
Collection of AI-powered image manipulation and generation applications
Security(2 features)
Enterprise-level security features and compliance options
SSO authentication for enterprise accounts
World Simulation(2 features)
Interactive and explorable world models for building infinite explorable realities in real-time
State-of-the-art General World Model built to simulate reality in real-time, interactive and controllable
Cost Calculator
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Build It Yourself
Total Cost Comparison
DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 35 features at very easy complexity.