Runbo Li

Runbo Li

CEO of Magic Hour

Runbo Li is the Co-founder and CEO of Magic Hour, where he builds AI video and image tools for content creation. He is a Y Combinator W24 founder and former Data Scientist at Meta, where he worked on 0-1 consumer social products in New Product Experimentation. He writes about AI video generation, AI image creation, creative workflows, and creator tools.

Latest articles

Face Swap for Ads
Face swap for ads: consent, disclosure and review checklist
· 5 min read
Multi-Face Swap in Videos
How to swap multiple faces in a video: mapping & fixes
· 9 min read
Face Swap a GIF
How to face swap a GIF: free steps, tools and export tips
· 5 min read
Best Face Swap Video Apps
Best face swap video apps: uploads, multi-face and costs
· 7 min read
AI Voice Cloning Laws & Ethics (2026): Consent, Licensing, and a Risk Checklist
Is AI voice cloning legal? Consent, licensing & disclosure
· 5 min read
Editorial comparison of Seedance 2.5 reference workflows and Runway Gen-4.5 video production
Seedance 2.5 vs Runway Gen-4.5: controls, length & cost
· 4 min read
Best AI Video Generators With Native Audio
AI video generators with native audio: 4 current models (2026)
· 5 min read
Dolly, Tracking, Handheld
How to copy camera movement from a reference video
· 6 min read
PixVerse pricing comparison cover with plan cards and video thumbnails
PixVerse pricing: free credits, paid plans & video costs
· 5 min read
AI Background Removers for  E-commerce
8 AI background removers for ecommerce: cutouts, APIs and costs
· 8 min read
Keep Characters Consistent in AI Video
How to keep characters consistent in AI video
· 12 min read
Plans, Limits, and the Cheapest Way to Use It
Luma AI pricing (formerly Dream Machine): plans & Ray credits
· 5 min read