GPT OSS 120B vs MiniMax M1

Compare GPT OSS 120B by OpenAI against MiniMax M1 by MiniMax, context windows of 131K vs 1.0M, tested across 26 shared challenges. Updated April 2026.

Which is better, GPT OSS 120B or MiniMax M1?

GPT OSS 120B and MiniMax M1 are both competitive models. GPT OSS 120B costs $0.18/M input tokens vs $0.3/M for MiniMax M1. Context windows: 131K vs 1000K tokens. Compare their real outputs side by side below.

Key Differences Between GPT OSS 120B and MiniMax M1

GPT OSS 120B is made by openai while MiniMax M1 is from minimax. GPT OSS 120B has a 131K token context window compared to MiniMax M1's 1000K. On pricing, GPT OSS 120B costs $0.18/M input tokens vs $0.3/M for MiniMax M1.

Our Verdict
GPT OSS 120B
GPT OSS 120B
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.

Too close to call
Writing DNA

Style Comparison

Similarity
98%

GPT OSS 120B uses 5.2x more transitions

GPT OSS 120B
MiniMax M1
52%Vocabulary53%
19wSentence Length17w
0.28Hedging0.51
7.4Bold7.4
1.8Lists6.2
0.15Emoji0.10
0.73Headings0.86
0.17Transitions0.03
Based on 21 + 14 text responses
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GPT OSS 120BMiniMax 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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