OpenAI o4-mini vs GPT-4

Compare OpenAI o4-mini and GPT-4, both from OpenAI, tested across 20 shared challenges. Updated March 2026.

Which is better, OpenAI o4-mini or GPT-4?

OpenAI o4-mini and GPT-4 are both competitive models. OpenAI o4-mini costs $1.1/M input tokens vs $30/M for GPT-4. Compare their real outputs side by side below.

Key Differences Between OpenAI o4-mini and GPT-4

OpenAI o4-mini is made by openai while GPT-4 is from openai. On pricing, OpenAI o4-mini costs $1.1/M input tokens vs $30/M for GPT-4.

Our Verdict
OpenAI o4-mini
OpenAI o4-mini
GPT-4
GPT-4

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

OpenAI o4-mini is 14x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
100%

GPT-4 uses 82.3x more bold

OpenAI o4-mini
GPT-4
73%Vocabulary59%
15wSentence Length18w
0.18Hedging1.10
0.0Bold0.8
2.1Lists2.5
0.00Emoji0.00
0.00Headings0.00
0.02Transitions0.45
Based on 10 + 15 text responses
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OpenAI o4-miniGPT-4
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