micro1 is an AI Infrastructure company based in San Francisco, CA. It has raised $37M in total funding. Latest round: Series A.
micro1 is an AI Infrastructure company based in San Francisco, CA. micro1 has raised $37M in total disclosed funding. That places its disclosed total in the $25M–$100M range. Its most recent disclosed round is a Series A announced in October 2025. The round record for micro1 runs through 2025; nothing later has been disclosed. Investors on record include 01 Advisors, Joshua Browder, Adam Bain, Dick Costolo. 4 distinct backers are named across the disclosed rounds.
Totals shown for micro1 aggregate every disclosed round on file. To see how that compares, browse the AI Infrastructure companies in San Francisco and the investors behind them below.
The investor deck micro1 used to raise — 2023, Pre-seed, 21-slide deck is broken down slide by slide, including the slides it leads with and the questions it leaves open.
Company funding database · Investor directory · Founder database · Mega-rounds 2026