Claude Sonnet 5 vs Z.AI: GLM 4.6
Compare Claude Sonnet 5 by Anthropic against Z.AI: GLM 4.6 by Zhipu AI, context windows of 1.0M vs 203K, tested across 54 shared challenges.
Our Verdict
Claude Sonnet 5
Z.AI: GLM 4.6
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Z.AI: GLM 4.6 is 5.7x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Sonnet 5
Input
$2.00
Output
$10.00
Z.AI: GLM 4.6
Input
$0.40
5.0× cheaper
Output
$1.75
5.7× cheaper
Z.AI: GLM 4.6 is cheaper on both — 5.0× input, 5.7× output
Writing DNA
Style Comparison
Similarity
36%
Claude Sonnet 5 uses 4.4x more emoji
Claude Sonnet 5
Z.AI: GLM 4.6
59%Vocabulary52%
35wSentence Length14w
0.53Hedging0.29
3.5Bold5.2
3.5Lists3.2
0.79Emoji0.18
1.25Headings0.57
0.06Transitions0.09
Based on 27 + 22 text responses
Research
What we learned reading every model
FAQ
