GPT-4.1
Nothing here. The model returned empty. We stared at it for a while.
GPT-4.1 vs GPT OSS 20B
Compare GPT-4.1 and GPT OSS 20B, both from OpenAI, in 1 community votes, gpt-4.1 and gpt oss 20b are closely matched, context windows of 1.0M vs 131K, tested across 39 shared challenges. Updated April 2026.
Which is better, GPT-4.1 or GPT OSS 20B?
GPT-4.1 and GPT OSS 20B are closely matched based on 1 community votes. GPT-4.1 costs $2/M input tokens vs $0.02/M for GPT OSS 20B. Context windows: 1048K vs 131K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-4.1 and GPT OSS 20B
GPT-4.1 is made by openai while GPT OSS 20B is from openai. GPT-4.1 has a 1048K token context window compared to GPT OSS 20B's 131K. On pricing, GPT-4.1 costs $2/M input tokens vs $0.02/M for GPT OSS 20B. In community voting, In 1 community votes, GPT-4.1 and GPT OSS 20B are closely matched.
In 1 community votes, GPT-4.1 and GPT OSS 20B are closely matched. Based on blind community voting from the Rival open dataset of 1+ human preference judgments for this pair.
Our Verdict
GPT OSS 20BWinner
GPT-4.1Runner-up
Votes are tied. GPT OSS 20B is newer and likely incorporates more recent improvements.
GPT OSS 20B is 80x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
100%
GPT OSS 20B uses 4.5x more transitions
GPT-4.1
GPT OSS 20B
58%Vocabulary54%
19wSentence Length17w
0.38Hedging0.26
9.0Bold5.9
6.1Lists3.3
0.24Emoji0.10
1.01Headings0.75
0.07Transitions0.32
Based on 25 + 21 text responses
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We read every word. 250 models. 2.14 million words. This is what we found.
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