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

 Anime showing people working in an office.

10 AI marketing campaigns: real examples and creative lessons

· 8 min read
10 AI marketing campaigns: real examples and creative lessons
Ghibli-style AI animated person wearing large headphones at a desktop computer with a microphone in a dim, RGB-lit room.

Survey: Marketers Say AI Saves Time, Yet 25% Report More Burnout

· 7 min read
Survey: Marketers Say AI Saves Time, Yet 25% Report More Burnout
Veo 3.1 vs Sora 2 - a cinematic clash of next-gen AI video creation tools redefining visual storytelling

Sora 2 vs Veo 3.1: availability, features, API and price

· 4 min read
Sora 2 vs Veo 3.1: availability, features, API and price
Colorful geometric patterns created using top AI pattern generators.

5 best AI pattern generators: seamless, vector & print workflows (2027)

· 6 min read
5 best AI pattern generators: seamless, vector & print workflows (2027)
6 Open-Source RunwayML Alternatives

Open-Source Runway alternatives: editors, models, and tradeoffs (2027)

· 3 min read
Open-Source Runway alternatives: editors, models, and tradeoffs (2027)
Top 5 AI GIF Generators

7 best AI GIF generators for text prompts, images and video (2027)

· 5 min read
7 best AI GIF generators for text prompts, images and video (2027)
5 Best AI Selfie Generators

5 AI selfie generators: styles, headshots & free options (2027)

· 9 min read
5 AI selfie generators: styles, headshots & free options (2027)
5 Best AI Image Generators & their API

5 best AI image generation APIs in 2027

· 7 min read
5 best AI image generation APIs in 2027
Meta AI Vibes feed shown in three mobile screens with AI-generated videos

Meta AI Vibes: current features, limits and workflow

· 5 min read
Meta AI Vibes: current features, limits and workflow
6 Best AI Voice Generators

6 best AI voice generators for narration, cloning, and local use (2027)

· 6 min read
6 best AI voice generators for narration, cloning, and local use (2027)
Gemini 2.5 Flash

Gemini 2.5 Pro vs Flash vs Nano: status & differences

· 3 min read
Gemini 2.5 Pro vs Flash vs Nano: status & differences
see

Seedream 4.0 guide: what changed in Seedream 5.0

· 4 min read
Seedream 4.0 guide: what changed in Seedream 5.0