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 27 shared challenges. Updated March 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.

Our Verdict
Z.ai: GLM 5
Z.ai: GLM 5
Grok 3
Grok 3Runner-up

No community votes yet. On paper, Z.ai: GLM 5 has the edge — newer, bigger context window.

Too close to call
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