The free Inkling Small endpoint is only available for use with agentic harnesses. Do not upload any confidential information or personal data (e.g., voices and images of people's faces). Your usage of this free endpoint, including prompts and outputs, is logged and used to improve Thinking Machines Lab's models, products, and services. The logged session data will be disassociated from your account and other persistent identifiers before being used for these purposes.
By using this free endpoint, you agree to the TML Free Research API Terms of Service(opens in new tab). For more information about Thinking Machines Lab's data processing practices, see this Privacy Notice(opens in new tab).
Thinking Machines: Inkling Small
thinkingmachines/inkling-small
Model weightsInkling Small is an open-weight multimodal mixture-of-experts model from Thinking Machines Lab, with 12B active parameters out of 276B total. It is positioned as the smaller, more efficient member of the Inkling family and is suited for reasoning, coding, agentic workflows, retrieval-augmented generation, instruction following, and multilingual conversation.
Modalities
In / Out Price
$0.45 / $1.20per 1M
Context
1M
Released
Jul 30, 2026