Gemini 2.5 Flash Preview 05-20 (thinking) vs Z.ai: GLM 5.2
Compare Gemini 2.5 Flash Preview 05-20 (thinking) by Google AI against Z.ai: GLM 5.2 by Zhipu AI, context windows of 1.0M vs 1.0M, tested across 11 shared challenges.
Our Verdict
Z.ai: GLM 5.2
Gemini 2.5 Flash Preview 05-20 (thinking)Runner-up
No community votes yet. On paper, Z.ai: GLM 5.2 has the edge — bigger model tier, newer.
Too close to call
API pricing
Cost per 1M tokens
Gemini 2.5 Flash Preview 05-20 (thinking)
Input
$0.15
9.3× cheaper
Output
$3.50
1.3× cheaper
Z.ai: GLM 5.2
Input
$1.40
Output
$4.40
Gemini 2.5 Flash Preview 05-20 (thinking) is cheaper on both — 9.3× input, 1.3× output
Writing DNA
Style Comparison
Similarity
59%
Z.ai: GLM 5.2 uses 27.5x more hedging
Gemini 2.5 Flash Preview 05-20 (thinking)
Z.ai: GLM 5.2
70%Vocabulary56%
11wSentence Length18w
0.00Hedging0.27
4.2Bold3.7
7.3Lists2.8
0.00Emoji0.00
0.00Headings0.56
0.00Transitions0.24
Based on 3 + 27 text responses
Research
What we learned reading every model
FAQ
