AI Mining Startup Mariana Minerals Raises $310M Series B Led by Khosla
a16z · x · 2026-08-03
Mariana Minerals announced a $310 million Series B financing led by Khosla Ventures, with participation from a16z and others, bringing total raised capital to approximately $400 million.
The company aims to tackle the cost and efficiency challenges of critical mineral mining and refining using AI. Its core software stack, MarianaOS, features an AI-first approach, deploying AI agents to eliminate manual workflows and achieve end-to-end autonomy.
Related event: AI Mining Firm Mariana Minerals Raises $310M in Series B(2 posts)→
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