Ant Open Source Hybrid Linear Architecture Trillion Parameter Thinking Model Ring-2.5-1T

date
13/02/2026
On February 13th, Ant Group released and open-sourced the first trillion-parameter hybrid linear architecture thinking model, Ring-2.5-1T. According to the introduction, compared to the previously released Ring-1T, Ring-2.5-1T has significantly improved efficiency in generation, depth of thought, and long-range execution. With a generation length exceeding 32K, the memory access scale is reduced by more than 10 times, and generation throughput is increased by more than 3 times.