Dealroom

Thinking Machines Lab Targets $40B Valuation in Series A

AI startup Thinking Machines Lab aims for $40 billion valuation in $1 billion Series A round.

Sep 3, 2026

3 cards · 50s · tap to begin

From · · 50s

Thinking Machines Lab Targets $40B Valuation in Series A

AI startup Thinking Machines Lab aims for $40 billion valuation in $1 billion Series A round.

In brief

AI startup Thinking Machines Lab aims for $40 billion valuation in $1 billion Series A round. Thinking Machines Lab, led by ex-OpenAI CTO Mira Murati, is in talks for a $1 billion Series A at $40 billion pre-investment valuation. Originally reported by Dealroom.

Quick answers

What's the deal?
Thinking Machines Lab, the AI developer led by former OpenAI chief technology officer Mira Murati, is in talks to raise $1 billion in a Series A round at a $40 billion pre-investment valuation.
How big is this?
The round sits in the 99th percentile by amount among all-time Series A deals in its sector and country, making it among the largest early-stage rounds on record.
Why now?
The round follows Inkling's release and comes six months after Nvidia said it was making a significant investment and planned a long-term strategic partnership.
What is the key takeaway from Thinking Machines Lab Targets $40B Valuation in Series A?
Thinking Machines Lab, led by ex-OpenAI CTO Mira Murati, is in talks for a $1 billion Series A at $40 billion pre-investment valuation.

What's the deal?

Thinking Machines Lab, the AI developer led by former OpenAI chief technology officer Mira Murati, is in talks to raise $1 billion in a Series A round at a $40 billion pre-investment valuation.

How big is this?

The round sits in the 99th percentile by amount among all-time Series A deals in its sector and country, making it among the largest early-stage rounds on record.

Why now?

Why now?

The round follows Inkling's release and comes six months after Nvidia said it was making a significant investment and planned a long-term strategic partnership.

At a glance

Thinking Machines Lab, led by ex-OpenAI CTO Mira Murati, is in talks for a $1 billion Series A at $40 billion pre-investment valuation.

Read the original on Dealroom

How we make summaries

React

Sign in to react and comment.

Comments (0)

Life is short. Keep it sweet. Respect others' opinions and be kind!

    Recommended next

    More decks on thinking machines lab and related topics.