OpenAI o3 vs OpenAI o4-mini
Compare OpenAI o3 and OpenAI o4-mini, both from OpenAI, in 2 community votes, openai o3 and openai o4-mini are closely matched, tested across 54 shared challenges. Updated May 2026.
Which is better, OpenAI o3 or OpenAI o4-mini?
OpenAI o3 and OpenAI o4-mini are closely matched based on 2 community votes. OpenAI o3 costs $10/M input tokens vs $1.1/M for OpenAI o4-mini. Compare their real outputs side by side below.
Key Differences Between OpenAI o3 and OpenAI o4-mini
OpenAI o3 is made by openai while OpenAI o4-mini is from openai. On pricing, OpenAI o3 costs $10/M input tokens vs $1.1/M for OpenAI o4-mini. In community voting, In 2 community votes, OpenAI o3 and OpenAI o4-mini are closely matched.
In 2 community votes, OpenAI o3 and OpenAI o4-mini are closely matched. OpenAI o3 and OpenAI o4-mini perform similarly across challenge categories. Based on blind community voting from the Rival open dataset of 2+ human preference judgments for this pair.
Per 1M tokens
OpenAI o4-mini is cheaper on both — 9.1× input, 9.1× output
Genuinely even. Both are strong choices.
OpenAI o4-mini is 9.1x cheaper per token — worth considering if cost matters.
Style Comparison
OpenAI o3 uses 69.5x more bold
