MiniMax M2.5
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MiniMax M2.5 vs GPT OSS 20B
Compare MiniMax M2.5 by MiniMax against GPT OSS 20B by OpenAI, in 1 community votes, gpt oss 20b wins 100% of head-to-head duels, context windows of 205K vs 131K, tested across 53 shared challenges. Updated April 2026.
Which is better, MiniMax M2.5 or GPT OSS 20B?
GPT OSS 20B is the better choice overall, winning 100% of 1 blind community votes on Rival. MiniMax M2.5 costs $0.3/M input tokens vs $0.02/M for GPT OSS 20B. Context windows: 205K vs 131K tokens. Compare their real outputs side by side below.
Key Differences Between MiniMax M2.5 and GPT OSS 20B
MiniMax M2.5 is made by minimax while GPT OSS 20B is from openai. MiniMax M2.5 has a 205K token context window compared to GPT OSS 20B's 131K. On pricing, MiniMax M2.5 costs $0.3/M input tokens vs $0.02/M for GPT OSS 20B. In community voting, In 1 community votes, GPT OSS 20B wins 100% of head-to-head duels.
In 1 community votes, GPT OSS 20B wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 1+ human preference judgments for this pair.
Our Verdict
GPT OSS 20BWinner
MiniMax M2.5Runner-up
Pick GPT OSS 20B. In 1 blind votes, GPT OSS 20B wins 100% of the time. That's not luck.
GPT OSS 20B is 12x cheaper per token — worth considering if cost matters.
Clear winner
Writing DNA
Style Comparison
Similarity
100%
GPT OSS 20B uses 7.0x more emoji
MiniMax M2.5
GPT OSS 20B
55%Vocabulary54%
25wSentence Length17w
0.58Hedging0.26
6.0Bold5.9
4.4Lists3.3
0.01Emoji0.10
1.11Headings0.75
0.16Transitions0.32
Based on 23 + 21 text responses
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