AA's numbers are generally pretty well matched to the relative vibes, except that they really overrate frontier midrange models (Terra, Sonnet) They do not include tests for long-haul directional adherence, though, which is a major gap You will not notice in practice a 5-point swing between models
Z.ai's GLM-5.3 with max reasoning scores 60 on the Artificial Analysis Intelligence Index, on par with Kimi K3 but below Opus 5 at 63 and Fable 5 at 62 (@artificialanlys) Main Link | Techmeme Permalink