GPT-4o mini vs GPT-5 Mini

Compare GPT-4o mini and GPT-5 Mini, both from OpenAI, in 121 community votes, gpt-5 mini wins 69% of head-to-head duels, tested across 38 shared challenges. Updated April 2026.

Which is better, GPT-4o mini or GPT-5 Mini?

GPT-5 Mini is the better choice overall, winning 69% of 121 blind community votes on Rival. GPT-4o mini costs $0.15/M input tokens vs $0.25/M for GPT-5 Mini. Compare their real outputs side by side below.

Key Differences Between GPT-4o mini and GPT-5 Mini

GPT-4o mini is made by openai while GPT-5 Mini is from openai. On pricing, GPT-4o mini costs $0.15/M input tokens vs $0.25/M for GPT-5 Mini. In community voting, In 121 community votes, GPT-5 Mini wins 69% of head-to-head duels.

In 121 community votes, GPT-5 Mini wins 69% of head-to-head duels. GPT-4o mini leads in Web Design, Conversation, Analysis, while GPT-5 Mini leads in Reasoning, Image Generation. Based on blind community voting from the Rival open dataset of 121+ human preference judgments for this pair.

Reasoning: GPT-5 Mini wins 90% of votes
Web Design: GPT-4o mini wins 65% of votes
Image Generation: GPT-5 Mini wins 100% of votes
Conversation: GPT-4o mini wins 60% of votes
Analysis: GPT-4o mini wins 60% of votes
Our Verdict
GPT-5 Mini
GPT-5 MiniWinner
GPT-4o mini
GPT-4o miniRunner-up

Pick GPT-5 Mini. In 121 blind votes, GPT-5 Mini wins 69% of the time. That's not luck.

Pick GPT-4o mini for Web Design, Conversation, Analysis. Pick GPT-5 Mini for Image Generation, Reasoning. GPT-4o mini is 3.3x cheaper per token — worth considering if cost matters.

Clear winner
Writing DNA

Style Comparison

Similarity
94%

GPT-4o mini uses 384.3x more bold

GPT-4o mini
GPT-5 Mini
54%Vocabulary62%
18wSentence Length21w
0.84Hedging0.16
3.8Bold0.0
3.3Lists3.4
0.00Emoji0.00
1.03Headings0.00
0.23Transitions0.05
Based on 22 + 15 text responses
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GPT-4o miniGPT-5 Mini

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
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