Mingtian Zhang

About

Founder of PageIndex, an open-source reasoning-based retrieval system for long and complex documents. Previously, I worked on generative models and diffusion research at UCL. Now I’m building tools that help people understand, retrieve, and verify information from documents with precise source citations. Interested in AI infrastructure, document intelligence, knowledge tools, and developer products.

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Top 5 Launch
Top 5 Launch
Tastemaker
Tastemaker
Gone streaking 10
Gone streaking 10
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Maker History

  • PageIndex
    PageIndexAccurate, trustworthy answers across professional documents
    Aug 2026
  • 🎉
    Joined Product HuntJuly 14th, 2026