Claude 3 Haiku vs Z.ai: GLM 5.2
Compare Claude 3 Haiku by Anthropic against Z.ai: GLM 5.2 by Zhipu AI, context windows of 200K vs 1.0M, tested across 54 shared challenges.
Our Verdict
Z.ai: GLM 5.2
Claude 3 HaikuRunner-up
No community votes yet. On paper, Z.ai: GLM 5.2 has the edge — bigger model tier, newer, bigger context window.
Claude 3 Haiku is 3.5x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
Claude 3 Haiku
Input
$0.25
5.6× cheaper
Output
$1.25
3.5× cheaper
Z.ai: GLM 5.2
Input
$1.40
Output
$4.40
Claude 3 Haiku is cheaper on both — 5.6× input, 3.5× output
Writing DNA
Style Comparison
Similarity
48%
Z.ai: GLM 5.2 uses 55.6x more headings
Claude 3 Haiku
Z.ai: GLM 5.2
50%Vocabulary56%
22wSentence Length18w
0.71Hedging0.27
0.3Bold3.7
5.9Lists2.8
0.00Emoji0.00
0.00Headings0.56
0.08Transitions0.24
Based on 13 + 27 text responses
Research
What we learned reading every model
FAQ
