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Simple AI

Simple AI, founded in 2024 in San Francisco and part of Y Combinator's Summer 2024 batch, builds voice AI agents that handle inbound sales and support calls for businesses, using real-time customer data to personalize conversations and take actions such as placing orders.

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ApplicationsRetail & Marketing
Total funding $14M📍 San Francisco · Silicon ValleyFounded 2024

About

Simple AI, founded in 2024 in San Francisco and part of Y Combinator's Summer 2024 batch, builds voice AI agents that handle inbound sales and support calls for businesses, using real-time customer data to personalize conversations and take actions such as placing orders. It was co-founded by Catheryn Li (CEO, who previously led software teams at Y Combinator) and Zach Kamran (who previously led product for YC's Bookface). It raised a $14M seed round led by First Harmonic in February 2026. Not to be confused with Beijing-based embodied AI company Simple AI (深朴智能).

Capital graph

CompanyInvestorFounders / teamCo-investment (thicker arc = more shared deals, ×N marks the count)Bigger circle = stronger signal (activity / coverage / interest) · ⛶ fullscreen · scroll / pinch to zoom · hover to highlight · drag nodes · click a node to open its profile

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Similar companies· Same sector “Retail & Marketing”

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General Catalyst

12 Retail & Marketing deals in the last 24 months · 7 at a nearby stage · 7 in 硅谷

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Lightspeed

11 Retail & Marketing deals in the last 24 months · 8 at a nearby stage · 6 in 硅谷

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Sequoia Capital

11 Retail & Marketing deals in the last 24 months · 3 at a nearby stage · 11 in 硅谷

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Bessemer Venture Partners

10 Retail & Marketing deals in the last 24 months · 7 at a nearby stage · 4 in 硅谷

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Kleiner Perkins

10 Retail & Marketing deals in the last 24 months · 5 at a nearby stage · 9 in 硅谷

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Andreessen Horowitz

9 Retail & Marketing deals in the last 24 months · 4 at a nearby stage · 7 in 硅谷

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Ranked by each firm’s deals in this sector over the last 24 months, weighted by nearby stage and shared geography. Indicative only — no rating judgment.

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