Z.AI: GLM 4.5 Air vs Grok 4.20 Multi-Agent Beta
Compare Z.AI: GLM 4.5 Air by Zhipu AI against Grok 4.20 Multi-Agent Beta by xAI, context windows of 128K vs 2.0M, tested across 53 shared challenges. Updated April 2026.
Which is better, Z.AI: GLM 4.5 Air or Grok 4.20 Multi-Agent Beta?
Z.AI: GLM 4.5 Air and Grok 4.20 Multi-Agent Beta are both competitive models. Z.AI: GLM 4.5 Air costs $0.2/M input tokens vs $2/M for Grok 4.20 Multi-Agent Beta. Context windows: 128K vs 2000K tokens. Compare their real outputs side by side below.
Key Differences Between Z.AI: GLM 4.5 Air and Grok 4.20 Multi-Agent Beta
Z.AI: GLM 4.5 Air is made by zhipu while Grok 4.20 Multi-Agent Beta is from xai. Z.AI: GLM 4.5 Air has a 128K token context window compared to Grok 4.20 Multi-Agent Beta's 2000K. On pricing, Z.AI: GLM 4.5 Air costs $0.2/M input tokens vs $2/M for Grok 4.20 Multi-Agent Beta.
No community votes yet. On paper, Grok 4.20 Multi-Agent Beta has the edge — bigger model tier, newer, bigger context window.
Z.AI: GLM 4.5 Air is 5.5x cheaper per token — worth considering if cost matters.
Style Comparison
Z.AI: GLM 4.5 Air uses 9.9x more emoji
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178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
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12
clone pairs
32
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279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
