Z.ai: GLM 5 vs Grok 3
Compare Z.ai: GLM 5 by Zhipu AI against Grok 3 by xAI, context windows of 203K vs 128K, tested across 52 shared challenges. Updated May 2026.
Which is better, Z.ai: GLM 5 or Grok 3?
Z.ai: GLM 5 and Grok 3 are both competitive models. Context windows: 203K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between Z.ai: GLM 5 and Grok 3
Z.ai: GLM 5 is made by zhipu while Grok 3 is from xai. Z.ai: GLM 5 has a 203K token context window compared to Grok 3's 128K.
API pricing
Per 1M tokens
Z.ai: GLM 5
Input
$0.80
Output
$2.56
Grok 3
Input
—
Output
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Our Verdict
Z.ai: GLM 5
Grok 3Runner-up
No community votes yet. On paper, Z.ai: GLM 5 has the edge — newer, bigger context window.
Too close to call
Writing DNA
Style Comparison
Similarity
49%
Grok 3 uses 3.9x more emoji
Z.ai: GLM 5
Grok 3
54%Vocabulary49%
17wSentence Length18w
0.37Hedging0.94
6.3Bold2.5
4.7Lists3.0
0.00Emoji0.04
0.60Headings0.65
0.18Transitions0.08
Based on 22 + 17 text responses
FAQ
