OpenAI o4-mini vs o1

Compare OpenAI o4-mini and o1, both from OpenAI, tested across 32 shared challenges. Updated March 2026.

Which is better, OpenAI o4-mini or o1?

OpenAI o4-mini and o1 are both competitive models. OpenAI o4-mini costs $1.1/M input tokens vs $15/M for o1. Compare their real outputs side by side below.

Key Differences Between OpenAI o4-mini and o1

OpenAI o4-mini is made by openai while o1 is from openai. On pricing, OpenAI o4-mini costs $1.1/M input tokens vs $15/M for o1.

Our Verdict
OpenAI o4-mini
OpenAI o4-mini
o1
o1

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
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