Claude Opus 4.1 vs MiniMax M1

Compare Claude Opus 4.1 by Anthropic against MiniMax M1 by MiniMax, in 1 community votes, claude opus 4.1 wins 100% of head-to-head duels, context windows of 200K vs 1.0M, tested across 19 shared challenges. Updated April 2026.

Which is better, Claude Opus 4.1 or MiniMax M1?

Claude Opus 4.1 is the better choice overall, winning 100% of 1 blind community votes on Rival. Claude Opus 4.1 costs $15/M input tokens vs $0.3/M for MiniMax M1. Context windows: 200K vs 1000K tokens. Compare their real outputs side by side below.

Key Differences Between Claude Opus 4.1 and MiniMax M1

Claude Opus 4.1 is made by anthropic while MiniMax M1 is from minimax. Claude Opus 4.1 has a 200K token context window compared to MiniMax M1's 1000K. On pricing, Claude Opus 4.1 costs $15/M input tokens vs $0.3/M for MiniMax M1. In community voting, In 1 community votes, Claude Opus 4.1 wins 100% of head-to-head duels.

In 1 community votes, Claude Opus 4.1 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
Claude Opus 4.1
Claude Opus 4.1Winner
MiniMax M1
MiniMax M1Runner-up

Pick Claude Opus 4.1. In 1 blind votes, Claude Opus 4.1 wins 100% of the time. That's not luck.

MiniMax M1 is 45x cheaper per token — worth considering if cost matters.

Clear winner
Writing DNA

Style Comparison

Similarity
100%

Claude Opus 4.1 uses 5.0x more sentence length

Claude Opus 4.1
MiniMax M1
61%Vocabulary53%
87wSentence Length17w
0.54Hedging0.51
5.1Bold7.4
6.7Lists6.2
0.38Emoji0.10
1.68Headings0.86
0.13Transitions0.03
Based on 17 + 14 text responses
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Claude Opus 4.1MiniMax M1

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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