Thinking Machines Lab
An API called Tinker for fine-tuning open-weight language models, plus Inkling, the company's own open-weights model. It also publishes AI research and runs research grant programs.
Artificial intelligenceFrontier AI models and model fine-tuning platformSan Francisco, United States
FoundersSince 2025
- Valuation
- $12B
- Total raised
- $2.0B
- Last round · Mar 2026
- Strategic investment
- Founded
- 2025
- Employees
- 100
- Quarters in VP50
- 3
In VP50
- Q4 2023: no place
- Q1 2024: no place
- Q2 2024: no place
- Q3 2024: no place
- Q4 2024: no place
- Q1 2025: no place
- Q2 2025: no place
- Q3 2025: #41
- Q4 2025: #44
- Q1 2026: #49
- Q2 2026: no place
- Q3 2026: no place
- Q4 2026: no place
Place by quarter since Q4 2023. Best place #41.
Funding rounds
DateRound · leadRaisedValuation



