Claude 3 Sonnet vs Z.ai: GLM 5.2
Compare Claude 3 Sonnet by Anthropic against Z.ai: GLM 5.2 by Zhipu AI, tested across 13 shared challenges.
Our Verdict
Z.ai: GLM 5.2
Claude 3 SonnetRunner-up
No community votes yet. On paper, Z.ai: GLM 5.2 has the edge — bigger model tier, newer, bigger context window.
Z.ai: GLM 5.2 is 3.4x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude 3 Sonnet
Input
$3.00
Output
$15.00
Z.ai: GLM 5.2
Input
$1.40
2.1× cheaper
Output
$4.40
3.4× cheaper
Z.ai: GLM 5.2 is cheaper on both — 2.1× input, 3.4× output
Writing DNA
Style Comparison
Similarity
69%
Z.ai: GLM 5.2 uses 368.3x more bold
Claude 3 Sonnet
Z.ai: GLM 5.2
48%Vocabulary56%
14wSentence Length18w
0.32Hedging0.27
0.0Bold3.7
3.6Lists2.8
0.00Emoji0.00
0.00Headings0.56
0.38Transitions0.24
Based on 4 + 27 text responses
Research
What we learned reading every model
FAQ
