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Z.ai · GLM

GLM-5.3

Released 18 Aug 2026 · 63 days after GLM-5.2

a new best for Z.ainotable release

Open-weights rival inside a point of Kimi K3.

Intelligence

31.7

#2 of 11 scored releases to that date

Price

$2.15

per 1M tokens, 3:1 in/out · $1.4 in / $4.4 out

Speed

63

output tokens/s, median

Weights

Open

China lab

Z.ai’s best score over time

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