# Thinking Machines Lab

> Thinking Machines Lab is Mira Murati's AI research company building multimodal models with an open-science ethos.

## Why it is interesting

Largest seed round in VC history ($2B) for ex-OpenAI CTO's lab — a16z led before first product ship, signaling frontier-model talent wars.

## Profile

- **Stage:** other
- **Status:** private
- **Industries:** generalist-tech
- **Coverage:** full
- **Last updated:** 2026-07-24

## Key facts

- Seed (Jul 2025): ~$2B led by a16z at $12B valuation — Reuters, TechCrunch
- Mira Murati's AI lab; Nvidia, Accel, AMD, Cisco among participants (not in VCT directory)
- Co-investors: no additional institutional investors disclosed in public sources reviewed 2026-07-24

## Investors in our directory

- https://venturecapitaltracker.com/fund/andreessen-horowitz

## Related articles

- https://venturecapitaltracker.com/2026-a16z-hot-portfolio-companies

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Source: https://venturecapitaltracker.com/startup/thinking-machines-lab