Mira Murati's $40B Funding Talks: A Founder Comms Test

Mira Murati, founder and CEO of Thinking Machines Lab, is reportedly in talks to raise $1 billion at a valuation of at least $40 billion, TechCrunch reported on September 3, 2026, citing The Information. Thinking Machines and Accel, the investor reportedly in talks to lead, had not responded to TechCrunch when it published. The communications test is that a reported number becomes the reference point for every later figure, whether or not the company confirms it.

What did TechCrunch report about Thinking Machines?

TechCrunch reported that The Information had learned of talks to raise $1 billion at a valuation of at least $40 billion, with Accel, an existing backer, in talks to lead. TechCrunch also cited a source with knowledge of the company's financials saying annual revenue run rate is over $100 million, and called the implied valuation an "extraordinarily high revenue multiple."

The prior round was a $2 billion seed led by Andreessen Horowitz at a $12 billion valuation, with Nvidia, GV, Lightspeed and Conviction Partners also investing, according to the same report.

Why does a reported valuation work as an anchor?

A reported valuation works as an anchor because later numbers are read against it. TechCrunch framed the $40 billion figure as below the $50 billion valuation Thinking Machines reportedly sought late last year, even though $40 billion is more than three times the $12 billion seed valuation by EPR's arithmetic.

The earlier figure came from a Bloomberg report carried by Reuters, which said early talks centered on roughly $50 billion, with some sources pointing to $55 billion or $60 billion, and that terms were not final.

Illustrative scenario: if a lab confirms a round at $40 billion, a headline can compare it to the $12 billion seed and call it growth. If the same lab confirms $35 billion, a headline can compare it to the $50 billion reported target and call it a markdown. The facts are identical in both cases, and the reporter's reference number decides the framing.

What does the funding timeline show?

The funding timeline shows a company whose recent valuation figures came mostly from reports, with a few company announcements in between. The table collects the dated events covered by the sources linked in this piece.

Two rows came from company announcements: the Nvidia investment, explained further in the Jensen Huang profile, and the Inkling launch. TechCrunch said Inkling earns revenue through usage-based compute fees on the Tinker platform, which gives the company a product fact to put beside the valuation.

How should readers treat a reported funding figure?

Readers should treat a reported funding figure as provisional until the company or an investor confirms it. Three checks help:

1. Identify who reported the figure and whether the company confirmed it.
2. Separate the size of the round from the valuation, because the two numbers are often reported together and changed separately.
3. Ask whether the valuation is measured before or after the new money, since the two bases differ by the size of the round.

Why do co-founder departures become valuation news?

Co-founder departures become valuation news when the valuation rests on the people. TechCrunch said investors backed the seed round largely on the pedigree of Murati and the former OpenAI researchers who joined her, and that several high-profile departures followed, including co-founders Lilian Weng and Luke Metz returning to OpenAI.

Murati herself has an OpenAI history that investors know. She served as OpenAI's interim CEO during Sam Altman's brief removal in 2023, according to TIME, and the OpenAI board crisis case covers that episode from the communications side.

What should a founder do while a raise is reported but not closed?

A founder should decide which one figure the company can stand behind and publish the product fact that supports it, such as the revenue model behind Inkling. TechCrunch said the companies had not responded immediately, which describes timing at publication, not a policy. The practical fix is to name a person reporters can reach the same day.

The status described here is as of TechCrunch's September 3, 2026 report. Murati also appears in Lane 1 of the AI Communications 100, and a later round announcement would replace the reported figures above.