DeepSeek V4 Flash vs Z.ai: GLM 5.2
Compare DeepSeek V4 Flash by DeepSeek against Z.ai: GLM 5.2 by Zhipu AI, context windows of 1.0M vs 1.0M, tested across 54 shared challenges.
Our Verdict
Z.ai: GLM 5.2
DeepSeek V4 FlashRunner-up
No community votes yet. On paper, Z.ai: GLM 5.2 has the edge — bigger model tier, newer.
DeepSeek V4 Flash is 16x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
DeepSeek V4 Flash
Input
$0.14
10.0× cheaper
Output
$0.28
16× cheaper
Z.ai: GLM 5.2
Input
$1.40
Output
$4.40
DeepSeek V4 Flash is cheaper on both — 10.0× input, 16× output
Writing DNA
Style Comparison
Similarity
69%
DeepSeek V4 Flash uses 1.9x more hedging
DeepSeek V4 Flash
Z.ai: GLM 5.2
54%Vocabulary56%
17wSentence Length18w
0.52Hedging0.27
3.6Bold3.7
2.6Lists2.8
0.00Emoji0.00
0.41Headings0.56
0.19Transitions0.24
Based on 27 + 27 text responses
Research
What we learned reading every model
FAQ
