Z.ai: GLM 5 vs Qwen: Qwen3.5 Plus 2026-02-15
Compare Z.ai: GLM 5 by Zhipu AI against Qwen: Qwen3.5 Plus 2026-02-15 by Qwen, in 2 community votes, z.ai: glm 5 and qwen: qwen3.5 plus 2026-02-15 are closely matched, context windows of 203K vs 1.0M, tested across 53 shared challenges.
Our Verdict
Qwen: Qwen3.5 Plus 2026-02-15Winner
Z.ai: GLM 5Runner-up
Votes are tied. Qwen: Qwen3.5 Plus 2026-02-15 has a 1.0M context window vs 203K — handles longer documents.
Too close to call
API pricing
Cost per 1M tokens
Z.ai: GLM 5
Input
$0.80
Output
$2.56
Qwen: Qwen3.5 Plus 2026-02-15
Input
$0.40
2.0× cheaper
Output
$2.40
1.1× cheaper
Qwen: Qwen3.5 Plus 2026-02-15 is cheaper on both — 2.0× input, 1.1× output
Writing DNA
Style Comparison
Similarity
83%
Qwen: Qwen3.5 Plus 2026-02-15 uses 10.0x more emoji
Z.ai: GLM 5
Qwen: Qwen3.5 Plus 2026-02-15
54%Vocabulary54%
17wSentence Length18w
0.37Hedging0.51
6.3Bold5.3
4.7Lists2.9
0.00Emoji0.10
0.60Headings0.75
0.18Transitions0.09
Based on 22 + 23 text responses
Research
What we learned reading every model
FAQ
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