GPT-4.5 Preview vs GPT-4O Mini
As of Oct 15, 2026, GPT-4.5 Preview leads GPT-4O Mini in 1 of 2 shared categories: Science.
GPT-4.5 Preview
It used to be. Was SOTA in General LLM.
GPT-4O Mini
#9 Best recorded rank: #9 in General LLM, as of Oct 15, 2026.
| Category | GPT-4.5 Preview | GPT-4O Mini |
|---|---|---|
| General LLM | #62 · Was SOTA · General LLM Margin 42.17687074829932 LMArena leaderboard dataset · Oct 13, 2026 | #9 · #9 in General LLM Margin — LMArena leaderboard dataset · Sep 15, 2024 |
| Reasoning | #93 · Was SOTA · Reasoning Margin 64.38356164383562 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Jul 18, 2024 |
| Math | #38 · #38 in Math Margin 84.44444444444444 Epoch AI benchmarking hub · Feb 27, 2025 | — |
| Science | #92 · #92 in Science Margin — Epoch AI benchmarking hub · Feb 27, 2025 | #161 · #161 in Science Margin — Epoch AI benchmarking hub · Jul 18, 2024 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Sep 27, 2024 |
| Long context | #76 · Was SOTA · Long context Margin 51.70068027210884 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 |
| Abstraction (ARC) | #83 · #83 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Feb 27, 2025 | — |
GPT-4.5 Preview: price per 1M tokens is unset in the catalog.
GPT-4O Mini: $0.26249999999999996 per 1M blended tokens.
GPT-4.5 Preview: closed weights.
GPT-4O Mini: closed weights.
General LLM: As of Oct 15, 2026, GPT-4O Mini leads GPT-4.5 Preview in General LLM at #9 against #62.
Science: As of Oct 15, 2026, GPT-4.5 Preview leads GPT-4O Mini in Science at #92 against #161.
GPT-4.5 Preview or GPT-4O Mini?
As of Oct 15, 2026, GPT-4.5 Preview leads GPT-4O Mini in 1 of 2 shared categories: Science.
GPT-4.5 Preview or GPT-4O Mini for General LLM?
As of Oct 15, 2026, GPT-4O Mini leads GPT-4.5 Preview in General LLM at #9 against #62.
GPT-4.5 Preview or GPT-4O Mini for Science?
As of Oct 15, 2026, GPT-4.5 Preview leads GPT-4O Mini in Science at #92 against #161.