GPT-5.1-Codex vs MiniMax M1

Compare GPT-5.1-Codex by OpenAI against MiniMax M1 by MiniMax, in 1 community votes, minimax m1 wins 100% of head-to-head duels, context windows of 400K vs 1.0M, tested across 26 shared challenges. Updated February 2026.

In 1 community votes, MiniMax M1 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.

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