Thinking Machines Lab
AI lab founded by Mira Murati, maker of Inkling and Tinker
thinkingmachines.aiSan Francisco, United States
Thinking Machines Lab is an AI company in San Francisco founded in 2025 by former OpenAI chief technology officer Mira Murati. It offers Tinker, an API for fine-tuning open-weight models, and has released the open-weights Inkling models.
- Founded
- 2025
- Type
- Private company
- Founders
- Mira Murati, John Schulman, Lilian Weng, Barret Zoph and Luke Metz
- AI lab
- Inference provider
- 0 hosted endpoints
Model family
Ling
Thinking Machines Lab is an AI company in San Francisco founded in 2025 by former OpenAI chief technology officer Mira Murati. It offers Tinker, an API for fine-tuning open-weight models, and has released the open-weights Inkling models.
Latest Ling models
Models in this family
3 catalogued models
3 models · 1–3
| Select models to compare | Model | Released | Context | Input /M | Output /M | Parameters | Type | I/O | Openness |
|---|---|---|---|---|---|---|---|---|---|
| Inkling 2 SmallThinking Machines Lab | November 5, 2026 | 1M | $0.00 | $0.00 | — | Text | text, image → text | Closed | |
| Inkling SmallThinking Machines Lab | July 30, 2026 | 524K | $0.45 | $1.20 | 266B | Text | text, image, audio → text | Open weights | |
| InklingThinking Machines Lab | July 15, 2026 | 524K | $1.00 | $4.05 | 952B | Text | text, image, audio → text | Open weights |