O3 Mini vs O4 Mini
As of Oct 14, 2026, O3 Mini leads O4 Mini in 1 of 4 shared categories: General LLM.
| Category | O3 Mini | O4 Mini |
|---|---|---|
| General LLM | #7 · #7 in General LLM Margin — LMArena leaderboard dataset · Apr 16, 2025 | #125 · #125 in General LLM Margin 85.03401360544217 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #133 · Was SOTA · Reasoning Margin 91.78082191780823 LMArena leaderboard dataset · Oct 13, 2026 | #129 · #129 in Reasoning Margin 89.04109589041096 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #23 · Was SOTA · Math Margin 48.888888888888886 Epoch AI benchmarking hub · Apr 16, 2025 |
| Science | #76 · #76 in Science Margin — Epoch AI benchmarking hub · Jan 31, 2025 | #70 · #70 in Science Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #145 · #145 in Long context Margin 98.63945578231292 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Jul 7, 2025 |
| Vision | — | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #— · Not enough data Margin — Epoch AI benchmarking hub · Jan 31, 2025 | #122 · #122 in Factuality Margin 91.7910447761194 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #51 · #51 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jan 31, 2025 | #39 · #39 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
O3 Mini: $1.9250000000000003 per 1M blended tokens.
O4 Mini: $1.9250000000000003 per 1M blended tokens.
O3 Mini: closed weights.
O4 Mini: closed weights.
General LLM: As of Oct 14, 2026, O3 Mini leads O4 Mini in General LLM at #7 against #125.
Reasoning: As of Oct 14, 2026, O4 Mini leads O3 Mini in Reasoning at #129 against #133.
Science: As of Oct 14, 2026, O4 Mini leads O3 Mini in Science at #70 against #76.
Abstraction (ARC): As of Oct 14, 2026, O4 Mini leads O3 Mini in Abstraction (ARC) at #39 against #51.
O3 Mini or O4 Mini?
As of Oct 14, 2026, O3 Mini leads O4 Mini in 1 of 4 shared categories: General LLM.
O3 Mini or O4 Mini for General LLM?
As of Oct 14, 2026, O3 Mini leads O4 Mini in General LLM at #7 against #125.
O3 Mini or O4 Mini for Reasoning?
As of Oct 14, 2026, O4 Mini leads O3 Mini in Reasoning at #129 against #133.
O3 Mini or O4 Mini for Science?
As of Oct 14, 2026, O4 Mini leads O3 Mini in Science at #70 against #76.