Terra AI Raises $20M Series A for Mineral Exploration

June 7, 2026

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Terra AI, an AI platform company based in Palo Alto, California, has raised $20 million in a Series A round. The financing closed on June 3, 2026.

Khosla Ventures led the round, with a strategic investment from BHP Ventures, which put in $4 million.

Led by CEO John Mern, Terra AI offers a patented platform that combines geophysics, geochemistry, and drilling data to generate probabilistic models of the underground. The company plans to use the new capital to accelerate deployment of its generative geological modeling platform across mining, enhanced geothermal, and carbon storage.

Terra AI closed a $3.4 million seed round in late 2023, also led by Khosla, which included Rio Tinto, Storyhouse Ventures, Plug and Play, the TomKat Center for Sustainability, and Climate Capital.

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