June 27, 2025

Thinking Machines Lab Closes Record-Breaking $2 Billion Seed Round

Thinking Machines Lab, an AI startup based in San Francisco and founded by former OpenAI CTO Mira Murati, has raised an unprecedented $2 billion seed funding round led by Andreessen Horowitz, valuing the company at $10 billion. This marks the largest seed round in U.S. history, far surpassing previous top financings that typically range between $200 million and $450 million.

The company’s founding team includes AI experts from OpenAI, Meta, Google, and Mistral AI, contributing to strong investor confidence. Other notable seed rounds include Yuga Labs’ $450 million raise, famous for Bored Ape Yacht Club NFTs, and Binance.US’s $200 million seed round at a $4.5 billion valuation.

Thinking Machines aims to “make AI systems more widely understood, customizable and generally capable.” It focuses on developing multimodal AI that collaborates effectively with humans.

This record-breaking funding is not entirely surprising given the team’s strong pedigree and the recent surge in AI valuations. OpenAI itself recently reached a $300 billion valuation, fueling excitement around new ventures led by its alumni.

With this massive capital infusion, Thinking Machines Lab is poised to accelerate innovation and impact the future of AI technology.

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