MiniMax M2.5 vs OpenAI o4-mini

Compare MiniMax M2.5 by MiniMax against OpenAI o4-mini by OpenAI, tested across 34 shared challenges. Updated April 2026.

Which is better, MiniMax M2.5 or OpenAI o4-mini?

MiniMax M2.5 and OpenAI o4-mini are both competitive models. MiniMax M2.5 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 M2.5 and OpenAI o4-mini

MiniMax M2.5 is made by minimax while OpenAI o4-mini is from openai. On pricing, MiniMax M2.5 costs $0.3/M input tokens vs $1.1/M for OpenAI o4-mini.

Our Verdict
MiniMax M2.5
MiniMax M2.5
OpenAI o4-mini
OpenAI o4-miniRunner-up

No community votes yet. On paper, MiniMax M2.5 has the edge — bigger model tier, newer, bigger context window.

MiniMax M2.5 is 3.7x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
86%

MiniMax M2.5 uses 603.3x more bold

MiniMax M2.5
OpenAI o4-mini
55%Vocabulary73%
25wSentence Length15w
0.58Hedging0.18
6.0Bold0.0
4.4Lists2.1
0.01Emoji0.00
1.11Headings0.00
0.16Transitions0.02
Based on 23 + 10 text responses
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