Z.ai: GLM 5.1 vs Llama 4 Maverick

Compare Z.ai: GLM 5.1 by Z-ai against Llama 4 Maverick by Meta AI, context windows of 203K vs 1.0M, tested across 52 shared challenges. Updated April 2026.

Which is better, Z.ai: GLM 5.1 or Llama 4 Maverick?

Z.ai: GLM 5.1 and Llama 4 Maverick are both competitive models. Z.ai: GLM 5.1 costs $1.4/M input tokens vs $1.5/M for Llama 4 Maverick. Context windows: 203K vs 1000K tokens. Compare their real outputs side by side below.

Key Differences Between Z.ai: GLM 5.1 and Llama 4 Maverick

Z.ai: GLM 5.1 is made by z-ai while Llama 4 Maverick is from meta. Z.ai: GLM 5.1 has a 203K token context window compared to Llama 4 Maverick's 1000K. On pricing, Z.ai: GLM 5.1 costs $1.4/M input tokens vs $1.5/M for Llama 4 Maverick.

Our Verdict
Llama 4 Maverick
Llama 4 Maverick
Z.ai: GLM 5.1
Z.ai: GLM 5.1Runner-up

No community votes yet. On paper, Llama 4 Maverick has the edge — bigger model tier, bigger context window, major provider backing.

Too close to call
Writing DNA

Style Comparison

Similarity
99%

Llama 4 Maverick uses 2.5x more hedging

Z.ai: GLM 5.1
Llama 4 Maverick
54%Vocabulary42%
18wSentence Length24w
0.31Hedging0.76
3.6Bold3.7
2.6Lists6.3
0.00Emoji0.00
0.43Headings0.74
0.11Transitions0.11
Based on 27 + 12 text responses
vs

Ask them anything yourself

Z.ai: GLM 5.1Llama 4 Maverick

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026
Free preview13 of 58 slides
FAQ

Common questions