GPT-4O Mini vs GPT-5.1
As of Oct 14, 2026, GPT-4O Mini leads GPT-5.1 in 1 of 2 shared categories: General LLM.
GPT-4O Mini
#9 Best recorded rank: #9 in General LLM, as of Oct 14, 2026.
GPT-5.1
#18 Best current rank: #18 in Math, as of Oct 14, 2026.
| Category | GPT-4O Mini | GPT-5.1 |
|---|---|---|
| General LLM | #9 · #9 in General LLM Margin — LMArena leaderboard dataset · Sep 15, 2024 | #47 · #47 in General LLM Margin 31.972789115646265 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #— · Not enough data Margin — Epoch AI benchmarking hub · Jul 18, 2024 | #48 · #48 in Reasoning Margin 33.56164383561644 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | — | #18 · #18 in Math Margin 37.77777777777778 Epoch AI benchmarking hub · Nov 13, 2025 |
| Science | #161 · #161 in Science Margin — Epoch AI benchmarking hub · Jul 18, 2024 | #48 · #48 in Science Margin — Epoch AI benchmarking hub · Nov 13, 2025 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Sep 27, 2024 | #— · Not enough data Margin — Epoch AI benchmarking hub · Nov 13, 2025 |
| Coding › Web dev | — | #75 · #75 in Coding › Web dev Margin 69.1588785046729 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | — | #54 · #54 in Long context Margin 36.73469387755103 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #— · Not enough data Margin — Epoch AI benchmarking hub · Jul 18, 2024 | #37 · #37 in Factuality Margin 28.358208955223887 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #31 · #31 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Nov 13, 2025 |
GPT-4O Mini: $0.26249999999999996 per 1M blended tokens.
GPT-5.1: $3.4375000000000004 per 1M blended tokens.
GPT-4O Mini: closed weights.
GPT-5.1: closed weights.
General LLM: As of Oct 14, 2026, GPT-4O Mini leads GPT-5.1 in General LLM at #9 against #47.
Science: As of Oct 14, 2026, GPT-5.1 leads GPT-4O Mini in Science at #48 against #161.
GPT-4O Mini or GPT-5.1?
As of Oct 14, 2026, GPT-4O Mini leads GPT-5.1 in 1 of 2 shared categories: General LLM.
GPT-4O Mini or GPT-5.1 for General LLM?
As of Oct 14, 2026, GPT-4O Mini leads GPT-5.1 in General LLM at #9 against #47.
GPT-4O Mini or GPT-5.1 for Science?
As of Oct 14, 2026, GPT-5.1 leads GPT-4O Mini in Science at #48 against #161.