Thinking Machines Lab Releases Inkling: A 975B-Parameter Open-Weights Multimodal MoE With 41B Active Parameters And Controllable Thinking Effort
Evolving story · 2 updatesThinking Machines' Open-Weight Model, InklingTimeline →Thinking Machines Lab launched Inkling, a 975B-parameter open-weights multimodal model featuring controllable thinking effort and Apache 2.0 licensing.

- Inkling is a 975B-parameter open-weights model released under Apache 2.0.
- The Mixture-of-Experts architecture uses 41B active parameters per token.
- Developers can control the thinking effort to balance cost and reasoning depth.
- The model supports text, image, and audio inputs with a 1M token context.
Thinking Machines Lab has introduced Inkling, its first foundation model trained entirely from scratch. The release features a massive architecture with 975 billion total parameters, utilizing a Mixture-of-Experts design to keep active parameters at 41 billion during inference.
The model is licensed under Apache 2.0, allowing for broad commercial use and modification. It supports a 1 million token context window and processes text, images, and audio natively. The lab explicitly states that Inkling is not designed to be the most powerful model available.
Instead, the focus is on customization and control. The standout feature is the ability to adjust the thinking effort of the model, giving developers granular control over inference cost and reasoning depth for specific applications.
Provides access to a massive, permissively licensed model with unique inference controls.
Apache 2.0 licensing allows for unrestricted commercial integration and customization.
Signals a competitive shift towards controllable infrastructure over raw benchmark performance.
- Mixture-of-Experts (MoE)
- A neural network architecture that activates only a subset of parameters for each input, increasing efficiency.
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