Organization
Thinking Machines Lab
Model developer · Research lab · Developer platform · San Francisco, California
Thinking Machines Lab is an AI research and product company. It runs Tinker, a hosted API for fine-tuning open-weight models, and in July 2026 released the open-weight models Inkling and Inkling-Small.162
Last reviewedEntry updated
Key facts
- Ownership
- Privately held
- Legal form
- Unknown
- Founded
- Unknown
- Sectors
- Open models, Research
What is and isn’t public
An evidence-based summary of what this catalog has documented. It is not a verdict on the organization as a whole.
Products
Documented products and how they are delivered. Each row links to the official page.
No hosted model products are recorded for this organization.
Other products
| Product | Kind | Documented delivery and access | Reviewed |
|---|---|---|---|
| Tinker (external site: thinkingmachines.ai) | Developer tool | Hosted fine-tuning API (LoRA) for open-weight models including Inkling, with sign-up access and usage-based pricing.6 | Sep 29, 2026 |
Related open artifacts
Records in the Open Models & Tools directory that list this organization as a maintainer or publisher.
Model families
- InklingModel family
Model releases
- InklingModel releaseAvailability: PublicModel-disclosure tier (USASI rubric v0.1): Open-weight
- Inkling-SmallModel releaseAvailability: PublicModel-disclosure tier (USASI rubric v0.1): Open-weight
Notable documented facts
- In March 2026 Thinking Machines Lab and NVIDIA announced a long-term partnership to deploy NVIDIA systems for the lab's model training.7
U.S. eligibility
How this record meets the catalog’s published eligibility policy.
Eligible · basis: U.S. headquarters
Thinking Machines Lab, Inc. states in its privacy notice that it is based in the United States. Its service terms apply California law with arbitration in San Francisco, and nearly all roles on its job board are listed in San Francisco. No official page names a street address.345
Sources
This listing is not an endorsement or a federal approval.