o3 Mini vs o1
Compare o3 Mini and o1, both from OpenAI, in 2 community votes, o3 mini and o1 are closely matched, context windows of 64K vs 128K, tested across 54 shared challenges. Updated April 2026.
Which is better, o3 Mini or o1?
o3 Mini and o1 are closely matched based on 2 community votes. o3 Mini costs $1.1/M input tokens vs $15/M for o1. Context windows: 64K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between o3 Mini and o1
o3 Mini is made by openai while o1 is from openai. o3 Mini has a 64K token context window compared to o1's 128K. On pricing, o3 Mini costs $1.1/M input tokens vs $15/M for o1. In community voting, In 2 community votes, o3 Mini and o1 are closely matched.
In 2 community votes, o3 Mini and o1 are closely matched. o3 Mini and o1 perform similarly across challenge categories. Based on blind community voting from the Rival open dataset of 2+ human preference judgments for this pair.
Votes are tied. o1 has a 128K context window vs 64K — handles longer documents.
o3 Mini is 14x cheaper per token — worth considering if cost matters.
Style Comparison
o1 uses 1.5x more lists
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