Mistral Devstral Small 1.1 vs Z.ai: GLM 5.1
Compare Mistral Devstral Small 1.1 by Mistral AI against Z.ai: GLM 5.1 by Z-ai, tested across 53 shared challenges.
Our Verdict
Z.ai: GLM 5.1
Mistral Devstral Small 1.1Runner-up
No community votes yet. On paper, Z.ai: GLM 5.1 has the edge — bigger model tier, newer, bigger context window.
Mistral Devstral Small 1.1 is 15x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Mistral Devstral Small 1.1
Input
$0.10
14× cheaper
Output
$0.30
15× cheaper
Z.ai: GLM 5.1
Input
$1.40
Output
$4.40
Mistral Devstral Small 1.1 is cheaper on both — 14× input, 15× output
Writing DNA
Style Comparison
Similarity
55%
Z.ai: GLM 5.1 uses 9.0x more headings
Mistral Devstral Small 1.1
Z.ai: GLM 5.1
50%Vocabulary54%
17wSentence Length18w
0.56Hedging0.31
4.3Bold3.6
5.7Lists2.6
0.00Emoji0.00
0.05Headings0.43
0.34Transitions0.11
Based on 21 + 27 text responses
Research
What we learned reading every model
FAQ
