GPT-5 Pro vs MiniMax M1

Compare GPT-5 Pro by OpenAI against MiniMax M1 by MiniMax, context windows of 400K vs 1.0M, tested across 21 shared challenges. Updated April 2026.

Which is better, GPT-5 Pro or MiniMax M1?

GPT-5 Pro and MiniMax M1 are both competitive models. GPT-5 Pro costs $15/M input tokens vs $0.3/M for MiniMax M1. Context windows: 400K vs 1000K tokens. Compare their real outputs side by side below.

Key Differences Between GPT-5 Pro and MiniMax M1

GPT-5 Pro is made by openai while MiniMax M1 is from minimax. GPT-5 Pro has a 400K token context window compared to MiniMax M1's 1000K. On pricing, GPT-5 Pro costs $15/M input tokens vs $0.3/M for MiniMax M1.

Our Verdict
GPT-5 Pro
GPT-5 Pro
MiniMax M1
MiniMax M1

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

MiniMax M1 is 73x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
93%

MiniMax M1 uses 743.5x more bold

GPT-5 Pro
MiniMax M1
65%Vocabulary53%
15wSentence Length17w
0.32Hedging0.51
0.0Bold7.4
2.9Lists6.2
0.00Emoji0.10
0.00Headings0.86
0.01Transitions0.03
Based on 11 + 14 text responses
vs

Ask them anything yourself

GPT-5 ProMiniMax 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
Free preview13 of 58 slides
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