Unlocked, open reasoning

Published on October 1, 2025 | Updated on February 1, 2026
Unlocked, open reasoning
With training data, parameter weights, and deployment code all available, K2 Think is more than just another model release; it is completely open source, guaranteeing reproducibility and promoting international cooperation. K2 Think provides AI developers with a transparent, high-performance reasoning engine that they can rely on and expand, whether they are in labs or companies. Among K2 Think's improvements are: Performance comparable to 600B+ reasoning LLMs at only 32B parameters Test-time scaling and the profundity of the chain of thought Enhanced for wafer-scale inference in Cerebras