1LLM1
#8z.aiOpen weights

GLM-5.3

GLM-5.3 scores 44.8 on the Artificial Analysis Intelligence Index (highest reasoning-effort setting). List price $1.4 input / $4.4 output per 1M tokens.

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Overall
76.4
Input $/M
$1.40
Output $/M
$4.40
Context
1M
Released
Aug 18, 2026
Updated
Oct 3, 2026

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