Thinking Machines Lab Launches Inkling 2 Small with Open Weights Pending

Thinking Machines Lab introduced Inkling 2 Small on November 5, 2026, making its second-generation model available through Tinker with closed weights. The sparse Mixture-of-Experts system has 594 billion total parameters and 17 billion active parameters, targeting long-horizon autonomous work alongside coding, vision and knowledge tasks. At launch, Tinker Playground provides inference-only access, while Tinker supports fine-tuning and sampling under the platform’s terms. Thinking Machines…

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