October 2, 2026

Accel Eyes $1B Round for Thinking Machines at $40B Valuation

Former OpenAI CTO Mira Murati's AI lab is reportedly in talks for a massive new funding round led by Accel.
Accel Eyes $1B Round for Thinking Machines at $40B Valuation

Venture capital firm Accel is in discussions to lead a $1 billion funding round for artificial intelligence lab Thinking Machines at a valuation of at least $40 billion, according to TechCrunch. The startup, founded early last year by former OpenAI chief technology officer Mira Murati, currently maintains an annual revenue run rate exceeding $100 million. If completed, the new financing would value the company below the $50 billion valuation it previously sought late last year.

Thinking Machines previously secured a $2 billion seed financing round led by Andreessen Horowitz alongside Nvidia, GV, Lightspeed, and Conviction Partners, which valued the lab at $12 billion. In July, the company released an open-weight model named Inkling, generating revenue through usage-based compute fees for model adaptation on its Tinker platform. Representatives for Accel and Thinking Machines did not immediately respond to requests for comment regarding the ongoing funding discussions.

Based on reporting by techcrunch.com.

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