Z.ai's GLM-5.3 reaches 60 on Artificial Analysis index

Artificial Analysis reported that Z.ai's newly launched GLM-5.3 scored 60 on its Intelligence Index with maximum reasoning. The reported score matches Kimi K3 and is seven points above GLM-5.2, while remaining below Opus 5 at 63 and Fable 5 at 62. The supplied summary says the model would tie as the leading open-weights model only once its weights are released.