Accel reportedly in talks to lead $1B round for Thinking Machines at $40B valuation

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In Brief

Posted:

12:36 PM PDT · September 3, 2026

Image Credits:David Paul Morris/Bloomberg / Getty Images
  • Marina Temkin

Thinking Machines, the AI laboratory founded aboriginal past twelvemonth by erstwhile OpenAI CTO Mira Murati, is successful discussions to rise $1 cardinal astatine a valuation of astatine slightest $40 billion, The Information reported Thursday.  Existing backer Accel is successful talks to pb the fundraise, according to our root and The Information’s reporting.

The caller round, if it is completed, would worth the institution beneath the $50 cardinal valuation that Thinking Machines reportedly sought to unafraid precocious past year.

Thinking Machines’ yearly gross tally complaint stands astatine implicit $100 million, according to a root with cognition of the company’s financials. At that gross figure, a $40 cardinal valuation reflects an extraordinarily precocious gross multiple.

Accel and Thinking Machines didn’t instantly respond to a petition for comment.

In July, the institution introduced Inkling, an open-weight exemplary that generates gross by charging usage-based compute fees for adapting models connected proprietary information connected its Tinker platform.

The startup’s anterior fundraise—a $2 cardinal circular that stands among the largest effect financings successful history—valued the institution astatine $12 billion. Andreessen Horowitz led the investment, joined by Nvidia, GV, Lightspeed, and Conviction Partners. Investors backed the circular mostly connected the pedigree of Murati and the erstwhile OpenAI researchers who joined her.

Thinking Machines has since had respective high-profile departures, with immoderate of the co-founders, including Lilian Weng and Luke Metz, going backmost to OpenAI.

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