Thinking Machines releases Inkling-Small open-weights model

Inkling-Small is a Mixture-of-Experts transformer with 276B total parameters (12B active) that matches Inkling at a quarter of its size. It beats the larger model on Terminal-Bench 2.1 (64.7 vs 63.8) and Humanity's Last Exam (31.6% vs 29.7%), with up to 1M-token context. Full weights are on HuggingFace and fine-tunable on Tinker.