MiniMax M2-her vs OpenAI o4-mini

Compare MiniMax M2-her by MiniMax against OpenAI o4-mini by OpenAI, tested across 35 shared challenges. Updated April 2026.

Which is better, MiniMax M2-her or OpenAI o4-mini?

MiniMax M2-her and OpenAI o4-mini are both competitive models. MiniMax M2-her costs $0.3/M input tokens vs $1.1/M for OpenAI o4-mini. Compare their real outputs side by side below.

Key Differences Between MiniMax M2-her and OpenAI o4-mini

MiniMax M2-her is made by minimax while OpenAI o4-mini is from openai. On pricing, MiniMax M2-her costs $0.3/M input tokens vs $1.1/M for OpenAI o4-mini.

Our Verdict
MiniMax M2-her
MiniMax M2-her
OpenAI o4-mini
OpenAI o4-miniRunner-up

No community votes yet. On paper, MiniMax M2-her has the edge — bigger model tier, newer, bigger context window.

MiniMax M2-her is 3.7x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
90%

MiniMax M2-her uses 198.6x more bold

MiniMax M2-her
OpenAI o4-mini
65%Vocabulary73%
18wSentence Length15w
0.71Hedging0.18
2.0Bold0.0
1.7Lists2.1
0.96Emoji0.00
0.31Headings0.00
0.21Transitions0.02
Based on 24 + 10 text responses
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MiniMax M2-herOpenAI o4-mini

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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