AI research lab building more understandable, customizable, and capable AI systems.
AI📍 San Francisco, CAFounded 2025
Current Valuation
$12B
as of 2025-Q3
DECACORN
IPO Outlookprivate
Is Thinking Machines Lab going public?
No. Thinking Machines Lab is private and has not filed to go public. There is no S-1 on file.
What is Thinking Machines Lab's valuation in 2026?
Thinking Machines Lab is valued at $12B as of 2025-Q3, set by its Seed ($2.0B, Jul 2025). That is the last confirmed mark, not a live price — private shares do not trade continuously.
Has Thinking Machines Lab filed an S-1?
No public S-1 is on file for Thinking Machines Lab.
Answers are derived from the roster record shown on this page — filing status, last round and confirmed marks. Where the record is silent, the answer says so rather than guessing.
AI research lab founded in February 2025 by former OpenAI CTO Mira Murati. Closed a record-breaking $2B seed round at a $10B valuation in July 2025 led by Andreessen Horowitz, with valuation reportedly stepping up to ~$12B on early-stage extension. Launched its first product, Tinker — a fine-tuning API for open-weight models — later in 2025.
Attributed to Hugging Face organization "Thinking Machines Lab" as of 2026-08-19. Open-weights footprint only — closed-model usage is not publicly measurable. Verify on Hugging Face ↗
Talent Signal
Hiring trend
● First snapshot
trend accrues with monthly sweeps
Open roles
35
via ashby
Product-build share
86%
engineering, research, product, design
Trajectory
steady
heavy product build — 86% of open roles are product-building functions (engineering/research/product) — 15 of 35 open roles are research.
Actively hiring with no tracked executive churn.
Open roles by month
Open roles by function
■ product-building ■ go-to-market / G&A
Software Engineer, Research AccelerationSoftware Engineer, Platform, TinkerResearch Engineer, Developer Experience, TinkerNetwork Engineer, SupercomputingReliability Engineer, Supercomputing Software Engineer, Full Stack, Tinker
Counted from Thinking Machines Lab's live job board as of 2026-08-17; role functions classified from posting titles. Open-role counts are an activity signal, not headcount. Refreshed monthly.
OpenAI · Anthropic · Safe Superintelligence · Mistral AI
AIFoundation ModelsDecacornMira Murati
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2025-Q3. Refreshed quarterly.