OpenAI o3 vs o3 Mini
Compare OpenAI o3 and o3 Mini, both from OpenAI, in 2 community votes, openai o3 and o3 mini are closely matched, tested across 54 shared challenges. Updated May 2026.
Which is better, OpenAI o3 or o3 Mini?
OpenAI o3 and o3 Mini are closely matched based on 2 community votes. OpenAI o3 costs $10/M input tokens vs $1.1/M for o3 Mini. Compare their real outputs side by side below.
Key Differences Between OpenAI o3 and o3 Mini
OpenAI o3 is made by openai while o3 Mini is from openai. On pricing, OpenAI o3 costs $10/M input tokens vs $1.1/M for o3 Mini. In community voting, In 2 community votes, OpenAI o3 and o3 Mini are closely matched.
In 2 community votes, OpenAI o3 and o3 Mini are closely matched. OpenAI o3 and o3 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
o3 Mini is cheaper on both — 9.1× input, 9.1× output
Votes are tied. OpenAI o3 is newer and likely incorporates more recent improvements.
o3 Mini is 9.1x cheaper per token — worth considering if cost matters.
Style Comparison
o3 Mini uses 5.6x more bold
