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)
GLM-5.3 achieves 60 on the Artificial Analysis Intelligence Index, on par with Kimi K3 and up 7 points from GLM-5.2. Once the weights are released it will be tied as the leading open weights model @Zai_org has just launched GLM-5.3, which ties Kimi K3 (60) for the most
Z.ai's GLM-5.3 has achieved a maximum reasoning score of 60 on the Artificial Analysis Intelligence Index. This score puts it on par with Kimi K3, but below Opus 5, which scored 63, and Fable 5, which scored 62, according to Artificial Analysis Intelligence Index.
GLM-5.3's score is an improvement of 7 points from its predecessor, GLM-5.2. Once its weights are released, GLM-5.3 is expected to be tied as the leading open weights model.
Other AI models have also been scored on the Artificial Analysis Intelligence Index. Qwen 3.8 27B scored 52, the same as GPT-5.6 Luna, and one point behind GLM-5.2 and DeepSeek V4 Pro 0813.
Brief written by urgent.news from Techmeme, Knowable Magazine, Simon Willison — 3 reports on this story. Machine-written — may contain errors; check the original before relying on it.
