GPT-5
Nothing here. The model returned empty. We stared at it for a while.
GPT-5 vs GPT-5 Nano
Compare GPT-5 and GPT-5 Nano, 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 or GPT-5 Nano?
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 and GPT-5 Nano
GPT-5 is made by openai while GPT-5 Nano 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
GPT-5 Nano
65%Vocabulary59%
13wSentence Length25w
0.20Hedging0.23
0.2Bold0.0
4.6Lists4.2
0.00Emoji0.00
0.16Headings0.00
0.03Transitions0.01
Based on 16 + 14 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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