Thinking Machines Lab
AI research lab building more understandable, customizable, and capable AI systems.
AI
📍 San Francisco, CA
Founded 2025
Current Valuation
$12B
as of 2025-Q3
DECACORN
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.
Company Profile
Last Round
Seed — $2.0B (Jul 2025) · Lead: Andreessen Horowitz
Founders & Key People
Mira Murati
Investors
Andreessen Horowitz · Nvidia · Accel · ServiceNow · Cisco · AMD
Products
- Tinker (fine-tuning API for open-weight models)
Competitors
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.