Z.ai: GLM 5.1 vs Qwen: Qwen3 Max
Compare Z.ai: GLM 5.1 by Z-ai against Qwen: Qwen3 Max by Qwen, context windows of 203K vs 256K, tested across 53 shared challenges.
Our Verdict
Z.ai: GLM 5.1
Qwen: Qwen3 Max
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
API pricing
Cost per 1M tokens
Z.ai: GLM 5.1
Input
$1.40
Output
$4.40
1.4× cheaper
Qwen: Qwen3 Max
Input
$1.20
1.2× cheaper
Output
$6.00
Qwen: Qwen3 Max wins input (1.2× cheaper)·Z.ai: GLM 5.1 wins output (1.4× cheaper)
Writing DNA
Style Comparison
Similarity
30%
Qwen: Qwen3 Max uses 45.1x more emoji
Z.ai: GLM 5.1
Qwen: Qwen3 Max
54%Vocabulary60%
18wSentence Length28w
0.31Hedging0.48
3.6Bold5.7
2.6Lists4.1
0.00Emoji0.45
0.43Headings0.78
0.11Transitions0.18
Based on 27 + 22 text responses
Research
What we learned reading every model
FAQ
