Gemini 3.1 Pro Preview vs O3
As of Oct 14, 2026, Gemini 3.1 Pro Preview leads O3 in 7 of 7 shared categories: General LLM, Reasoning, Math, Science, Long context, Factuality, and Abstraction (ARC).
Gemini 3.1 Pro Preview
Yes. Yes on Math (best per dollar). Not the overall leader.
O3
It used to be. Was SOTA in General LLM.
| Category | Gemini 3.1 Pro Preview | O3 |
|---|---|---|
| General LLM | #15 · Was SOTA · General LLM Margin 10.204081632653057 LMArena leaderboard dataset · Oct 13, 2026 | #78 · Was SOTA · General LLM Margin 53.06122448979592 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #14 · Was SOTA · Reasoning Margin 10.273972602739732 LMArena leaderboard dataset · Oct 13, 2026 | #90 · Was SOTA · Reasoning Margin 62.32876712328767 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #3 · Near-SOTA · Math Margin 4.444444444444443 Epoch AI benchmarking hub · Feb 19, 2026 | #20 · Was SOTA · Math Margin 42.22222222222222 Epoch AI benchmarking hub · Apr 16, 2025 |
| Science | #7 · #7 in Science Margin — Epoch AI benchmarking hub · Feb 19, 2026 | #67 · #67 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 — Epoch AI benchmarking hub · Apr 16, 2025 |
| Coding › Web dev | #58 · #58 in Coding › Web dev Margin 53.271028037383175 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #12 · Was SOTA · Long context Margin 8.163265306122454 LMArena leaderboard dataset · Oct 13, 2026 | #110 · Was SOTA · Long context Margin 74.82993197278913 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #25 · Was SOTA · Vision Margin 68.42105263157896 Epoch AI benchmarking hub · Feb 19, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #18 · #18 in Factuality Margin 14.179104477611943 LMArena leaderboard dataset · Oct 13, 2026 | #105 · #105 in Factuality Margin 79.1044776119403 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #2 · #2 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Feb 19, 2026 | #37 · #37 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
Gemini 3.1 Pro Preview: $4.5 per 1M blended tokens.
O3: $3.5 per 1M blended tokens.
Gemini 3.1 Pro Preview: closed weights.
O3: closed weights.
General LLM: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads O3 in General LLM at #15 against #78.
Reasoning: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads O3 in Reasoning at #14 against #90.
Math: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads O3 in Math at #3 against #20.
Science: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads O3 in Science at #7 against #67.
Long context: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads O3 in Long context at #12 against #110.
Factuality: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads O3 in Factuality at #18 against #105.
Abstraction (ARC): As of Oct 14, 2026, Gemini 3.1 Pro Preview leads O3 in Abstraction (ARC) at #2 against #37.
Gemini 3.1 Pro Preview or O3?
As of Oct 14, 2026, Gemini 3.1 Pro Preview leads O3 in 7 of 7 shared categories: General LLM, Reasoning, Math, Science, Long context, Factuality, and Abstraction (ARC).
Gemini 3.1 Pro Preview or O3 for General LLM?
As of Oct 14, 2026, Gemini 3.1 Pro Preview leads O3 in General LLM at #15 against #78.
Gemini 3.1 Pro Preview or O3 for Reasoning?
As of Oct 14, 2026, Gemini 3.1 Pro Preview leads O3 in Reasoning at #14 against #90.
Gemini 3.1 Pro Preview or O3 for Math?
As of Oct 14, 2026, Gemini 3.1 Pro Preview leads O3 in Math at #3 against #20.