Z.ai: GLM 5 vs Inception: Mercury 2
Compare Z.ai: GLM 5 by Zhipu AI against Inception: Mercury 2 by Inception, context windows of 203K vs 128K, tested across 53 shared challenges.
Our Verdict
Z.ai: GLM 5
Inception: Mercury 2Runner-up
No community votes yet. On paper, Z.ai: GLM 5 has the edge — bigger model tier, bigger context window, major provider backing.
Inception: Mercury 2 is 3.4x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
Z.ai: GLM 5
Input
$0.80
Output
$2.56
Inception: Mercury 2
Input
$0.25
3.2× cheaper
Output
$0.75
3.4× cheaper
Inception: Mercury 2 is cheaper on both — 3.2× input, 3.4× output
Writing DNA
Style Comparison
Similarity
44%
Inception: Mercury 2 uses 8.2x more emoji
Z.ai: GLM 5
Inception: Mercury 2
54%Vocabulary53%
17wSentence Length22w
0.37Hedging0.40
6.3Bold6.6
4.7Lists2.6
0.00Emoji0.08
0.60Headings0.87
0.18Transitions0.14
Based on 22 + 23 text responses
Research
What we learned reading every model
FAQ
