Z.ai: GLM 5.1 vs MiniMax M1

Compare Z.ai: GLM 5.1 by Z-ai against MiniMax M1 by MiniMax, context windows of 203K vs 1.0M, tested across 25 shared challenges. Updated April 2026.

Which is better, Z.ai: GLM 5.1 or MiniMax M1?

Z.ai: GLM 5.1 and MiniMax M1 are both competitive models. Z.ai: GLM 5.1 costs $1.4/M input tokens vs $0.3/M for MiniMax M1. Context windows: 203K vs 1000K tokens. Compare their real outputs side by side below.

Key Differences Between Z.ai: GLM 5.1 and MiniMax M1

Z.ai: GLM 5.1 is made by z-ai while MiniMax M1 is from minimax. Z.ai: GLM 5.1 has a 203K token context window compared to MiniMax M1's 1000K. On pricing, Z.ai: GLM 5.1 costs $1.4/M input tokens vs $0.3/M for MiniMax M1.

Our Verdict
MiniMax M1
MiniMax M1
Z.ai: GLM 5.1
Z.ai: GLM 5.1Runner-up

No community votes yet. On paper, MiniMax M1 has the edge — bigger model tier, bigger context window.

Too close to call
Writing DNA

Style Comparison

Similarity
99%

MiniMax M1 uses 10.4x more emoji

Z.ai: GLM 5.1
MiniMax M1
54%Vocabulary53%
18wSentence Length17w
0.31Hedging0.51
3.6Bold7.4
2.6Lists6.2
0.00Emoji0.10
0.43Headings0.86
0.11Transitions0.03
Based on 27 + 14 text responses
vs

Ask them anything yourself

Z.ai: GLM 5.1MiniMax M1

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
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