GPT-5 Nano
Nothing here. The model returned empty. We stared at it for a while.
GPT-5 Nano vs GPT-5
Compare GPT-5 Nano and GPT-5, both from OpenAI, in 4 community votes, gpt-5 wins 100% of head-to-head duels, tested across 45 shared challenges. Updated April 2026.
Which is better, GPT-5 Nano or GPT-5?
GPT-5 is the better choice overall, winning 100% of 4 blind community votes on Rival. Compare their real outputs side by side below.
Key Differences Between GPT-5 Nano and GPT-5
GPT-5 Nano is made by openai while GPT-5 is from openai. In community voting, In 4 community votes, GPT-5 wins 100% of head-to-head duels.
In 4 community votes, GPT-5 wins 100% of head-to-head duels. GPT-5 leads in Reasoning. Based on blind community voting from the Rival open dataset of 4+ human preference judgments for this pair.
Reasoning: GPT-5 wins 100% of votes
Our Verdict
GPT-5Winner
GPT-5 NanoRunner-up
Pick GPT-5. In 4 blind votes, GPT-5 wins 100% of the time. That's not luck.
GPT-5 particularly excels in Reasoning.
Clear winner
Writing DNA
Style Comparison
Similarity
92%
GPT-5 uses 18.9x more bold
GPT-5 Nano
GPT-5
59%Vocabulary65%
25wSentence Length13w
0.23Hedging0.20
0.0Bold0.2
4.2Lists4.6
0.00Emoji0.00
0.00Headings0.16
0.01Transitions0.03
Based on 14 + 16 text responses
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279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
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