This model is a specialized Mixture-of-Experts architecture designed to excel in complex reasoning tasks that demand deep, multi-step analysis. Built with 30.5 billion total parameters, it utilizes a sparse activation strategy where only 3.3 billion parameters are active at any given time across its 128 experts. This design allows the model to maintain high efficiency while delivering significant improvements in logical reasoning, mathematics, science, and coding. It is specifically engineered for a dedicated thinking mode, which separates internal reasoning traces from final outputs to provide more reliable and structured results for demanding academic and technical applications.
The development of this model focused on scaling reasoning capabilities through extensive pre-training and post-training refinements, resulting in superior instruction following and alignment with human preferences. By natively supporting a large context window, it is well-suited for processing lengthy documents and complex agentic workflows. The model automatically incorporates internal thinking processes, making it a robust choice for users who require high-fidelity performance in competitive problem-solving and research-oriented tasks. Its architecture and training lineage ensure it remains a powerful tool for developers looking to integrate advanced, reasoning-heavy AI into their applications.