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Top Startups Backed by Pioneer Fund

We are a fund of 450+ Y Combinator alumni working together to invest in top Y Combinator startups. Our portfolio has gone on to raise from Andreessen Horowitz, Accel, Sequoia, Khosla, Lux, First Round, Initialized, Founders Fund, and many other top VCs.

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Top Startups Backed by Pioneer Fund

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Human

Solving AI alignment.

Open Graph of Apriora

Apriora

Conduct live interviews with AI.

Suger

End-to-end rev engine for cloud marketplaces.

Onyx

Open source enterprise search & AI assistant.

Paradigm

A reimagined workspace with AI at its core.

Clone

Musculoskeletal, superintelligent androids.

Kaedim

3D asset content creation platform.

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