Grok 4.1 Fast vs MiniMax M2-her

Compare Grok 4.1 Fast by xAI against MiniMax M2-her by MiniMax, tested across 55 shared challenges. Updated April 2026.

Which is better, Grok 4.1 Fast or MiniMax M2-her?

Grok 4.1 Fast and MiniMax M2-her are both competitive models. Compare their real outputs side by side below.

Key Differences Between Grok 4.1 Fast and MiniMax M2-her

Grok 4.1 Fast is made by xai while MiniMax M2-her is from minimax.

Our Verdict
Grok 4.1 Fast
Grok 4.1 Fast
MiniMax M2-her
MiniMax M2-herRunner-up

No community votes yet. On paper, Grok 4.1 Fast has the edge — bigger model tier, major provider backing.

Too close to call
Writing DNA

Style Comparison

Similarity
99%

MiniMax M2-her uses 96.5x more emoji

Grok 4.1 Fast
MiniMax M2-her
67%Vocabulary65%
15wSentence Length18w
0.17Hedging0.71
4.7Bold2.0
3.7Lists1.7
0.00Emoji0.96
0.99Headings0.31
0.14Transitions0.21
Based on 24 + 24 text responses
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Grok 4.1 FastMiniMax M2-her

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

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