Kimi K2.5 Model Achieves Top Rankings Globally

On January 28, Kimi, a model developed by Moon's Dark Side, quickly rose to prominence after its release on January 27. According to BlockBeats, the Kimi K2.5 model has reached the top of several global charts within just one day of its launch. On the authoritative LMarena chart, Kimi K2.5 ranks as the leading open-source model, trailing only behind closed-source models such as Claude opus4.5 and Genimi3 Pro. Additionally, in the rankings of the renowned independent evaluation agency Artificial Analysis, Kimi K2.5 holds the fifth position overall, making it the highest-ranked open-source model.