付铖 · Fu Cheng

Shanghai. I build AI companies and write about where this is all going.

I bet — with real money and time — on a few things: the marginal cost of intelligence is going to zero, energy is the only currency that survives that, and the fat margins of SaaS get taken apart one pillar at a time. Everything below is me working that out in the open.

Building

Now — wodex.ai · splats.ai · cnovel.ai

2025–26 · CPO, MuleRun — mulerun.ai · mulerouter.ai · muleteam.ai

2021–24 · Founder & CEO, Builtopia — builtopia.io · storys.ai · qubico.ai

Writing — AI Maxing

Notes on the AI industry, in Chinese. No hedging, just an operator calling it.

• The Specter Will Roam Again — the industrial revolution, rerun, this time for white-collar work
• We Cancelled Figma — how AI dismantles the SaaS premium
• …more as they publish

Before

• Manycore Tech · 2013–2021 — VP of CoohomCloud (now Spatial Verse). Products: Coohom · Spatial Verse · Kujiale.
• Zhejiang University · 2010–2014 — Software Engineering.

Elsewhere

X @fancyfrogs · Jike · GitHub · 公众号 · Zhihu · fucheng3586@gmail.com

This whole site is just markdown. Want the raw text? curl fucheng.md