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David Hu

Co-founder & CTO of Magic Hour

David Hu is the Co-founder and CTO of Magic Hour, where he leads engineering for AI video, image, audio, and developer products. Previously, he was a full-stack engineer at Skillz and led product development teams as the company grew from Series B through its IPO. His work spans user interfaces, APIs, media systems, and infrastructure. He writes about AI media engineering, model integrations, APIs, and production workflows.

Latest articles

A production budget notebook, rejected film strips, one approved frame and a simple hand-drawn cost fraction made from abstract marks, showing accepted output vs wasted takes

How to calculate cost per accepted AI video: worked examples

· 10 min read
fal.ai review cover with the official fal.ai logo and generative media API workflow imagery

fal.ai review: model APIs, pricing, queues & alternatives

· 5 min read
veo3

How to prompt Veo 3.1 for the best results

· 11 min read