BREAKING
Z.ai Releases Open GLM-5.2
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B
total params
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active params
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context tokens
Terminal-Bench 2.1 Scores
GLM-5.2
81
GLM-5.1
63.5
Opus 4.8
85
0
SWE-bench Pro
0
x
cheaper vs GPT-5.5
Strengths vs Hurdles
Strengths
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MIT license, no restrictions
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Beats Claude Code on IDOR detection
Hurdles
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Full BF16 needs huge memory
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Heavy thinking logs, slow runs
Open vs Closed Sharpens
AI NEWS BLITZ
China's Z.ai has dropped an open-weights model that rivals the top closed systems.