GPT-5 Mini
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GPT-5 Mini vs OpenAI o4-mini
Compare GPT-5 Mini and OpenAI o4-mini, both from OpenAI, in 27 community votes, gpt-5 mini wins 59% of head-to-head duels, tested across 35 shared challenges. Updated April 2026.
Which is better, GPT-5 Mini or OpenAI o4-mini?
GPT-5 Mini is the better choice overall, winning 59% of 27 blind community votes on Rival. GPT-5 Mini costs $0.25/M input tokens vs $1.1/M for OpenAI o4-mini. Compare their real outputs side by side below.
Key Differences Between GPT-5 Mini and OpenAI o4-mini
GPT-5 Mini is made by openai while OpenAI o4-mini is from openai. On pricing, GPT-5 Mini costs $0.25/M input tokens vs $1.1/M for OpenAI o4-mini. In community voting, In 27 community votes, GPT-5 Mini wins 59% of head-to-head duels.
In 27 community votes, GPT-5 Mini wins 59% of head-to-head duels. GPT-5 Mini leads in Reasoning, Image Generation, while OpenAI o4-mini leads in Web Design. Based on blind community voting from the Rival open dataset of 27+ human preference judgments for this pair.
Reasoning: GPT-5 Mini wins 67% of votes
Image Generation: GPT-5 Mini wins 67% of votes
Web Design: OpenAI o4-mini wins 75% of votes
Our Verdict
GPT-5 MiniWinner
OpenAI o4-miniRunner-up
Pick GPT-5 Mini. In 27 blind votes, GPT-5 Mini wins 59% of the time. That's not luck.
Pick GPT-5 Mini for Reasoning, Image Generation. Pick OpenAI o4-mini for Web Design.
Clear winner
Writing DNA
Style Comparison
Similarity
84%
GPT-5 Mini uses 3.0x more transitions
GPT-5 Mini
OpenAI o4-mini
62%Vocabulary73%
21wSentence Length15w
0.16Hedging0.18
0.0Bold0.0
3.4Lists2.1
0.00Emoji0.00
0.00Headings0.00
0.05Transitions0.02
Based on 15 + 10 text responses
vsAsk them anything yourself
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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