Claude Opus 4 vs MiniMax M2-her

Compare Claude Opus 4 by Anthropic against MiniMax M2-her by MiniMax, context windows of 200K vs 66K, tested across 35 shared challenges. Updated April 2026.

Which is better, Claude Opus 4 or MiniMax M2-her?

Claude Opus 4 and MiniMax M2-her are both competitive models. Claude Opus 4 costs $15/M input tokens vs $0.3/M for MiniMax M2-her. Context windows: 200K vs 66K tokens. Compare their real outputs side by side below.

Key Differences Between Claude Opus 4 and MiniMax M2-her

Claude Opus 4 is made by anthropic while MiniMax M2-her is from minimax. Claude Opus 4 has a 200K token context window compared to MiniMax M2-her's 66K. On pricing, Claude Opus 4 costs $15/M input tokens vs $0.3/M for MiniMax M2-her.

Our Verdict
Claude Opus 4
Claude Opus 4
MiniMax M2-her
MiniMax M2-herRunner-up

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

MiniMax M2-her is 63x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
99%

MiniMax M2-her uses 8.6x more emoji

Claude Opus 4
MiniMax M2-her
64%Vocabulary65%
62wSentence Length18w
0.52Hedging0.71
4.4Bold2.0
9.1Lists1.7
0.11Emoji0.96
1.87Headings0.31
0.27Transitions0.21
Based on 16 + 24 text responses
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Claude Opus 4MiniMax M2-her

Some models write identically. You are paying for the brand.

178 models fingerprinted across 32 writing dimensions. Free research.

Model Similarity Index

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.

AI Hallucination Index 2026
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