GLM-5.1 (Z.ai)
zai-glm-5-1
Flagship GLM model for hybrid reasoning, coding, and agentic engineering
Specification
most-agreed values
Context
200K
Max output
128K
Released
2026-04-07
Knowledge cutoff
2024-10
Retires
—
Open weights
yes
Input
text
Output
text
Price
US dollars per million tokens · most-agreed
Input
$0.845
Output
$3.38
Cache read
$0.1831