Key Features

Open-weights multimodal Mixture-of-Experts model.
Designed to retain strong capability at a smaller scale than Inkling.
Supports controllable reasoning effort for balancing cost and depth.
Targets reasoning, agentic, multimodal, epistemic, and safety tasks.
Can be fine-tuned through Thinking Machines' Tinker platform.
Links to a public Hugging Face model release.
Benchmarked against other contemporary open and proprietary models.
Suitable for customized assistants and domain-specific model development.

The model targets reasoning, agentic tasks, multimodality, epistemic calibration, and safety. Thinking Machines positions it as a compact model that can be fine-tuned through Tinker, making it practical for teams that want to adapt an open model to domain-specific workflows.


Inkling-Small is useful for developers building multimodal assistants, research agents, fine-tuned enterprise tools, and evaluation pipelines. Its open-weights release gives teams more control over inspection, customization, and deployment than a closed hosted-only model.

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