Gemini 3.1 Pro Preview vs GPT-5.1
As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5.1 in 8 of 8 shared categories: General LLM, Reasoning, Math, Science, Coding › Web dev, Long context, Factuality, and Abstraction (ARC).
Gemini 3.1 Pro Preview
Yes. Yes on Math (best per dollar). Not the overall leader.
GPT-5.1
#18 Best current rank: #18 in Math, as of Oct 15, 2026.
| Category | Gemini 3.1 Pro Preview | GPT-5.1 |
|---|---|---|
| General LLM | #15 · Was SOTA · General LLM Margin 7.9787234042553195 LMArena leaderboard dataset · Oct 13, 2026 | #60 · #60 in General LLM Margin 31.914893617021278 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #14 · Was SOTA · Reasoning Margin 7.9787234042553195 LMArena leaderboard dataset · Oct 13, 2026 | #62 · #62 in Reasoning Margin 33.51063829787235 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #3 · Near-SOTA · Math Margin 4.444444444444443 Epoch AI benchmarking hub · Feb 19, 2026 | #18 · #18 in Math Margin 37.77777777777778 Epoch AI benchmarking hub · Nov 13, 2025 |
| Science | #7 · #7 in Science Margin — Epoch AI benchmarking hub · Feb 19, 2026 | #48 · #48 in Science Margin — Epoch AI benchmarking hub · Nov 13, 2025 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #63 · #63 in Coding › Web dev Margin 49.6 LMArena leaderboard dataset · Oct 13, 2026 | #82 · #82 in Coding › Web dev Margin 64.8 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #12 · Was SOTA · Long context Margin 6.382978723404236 LMArena leaderboard dataset · Oct 13, 2026 | #66 · #66 in Long context Margin 35.1063829787234 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 | #21 · #21 in Factuality Margin 12.79069767441861 LMArena leaderboard dataset · Oct 13, 2026 | #42 · #42 in Factuality Margin 25 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #2 · #2 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Feb 19, 2026 | #31 · #31 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Nov 13, 2025 |
Gemini 3.1 Pro Preview: $4.5 per 1M blended tokens.
GPT-5.1: $3.4375000000000004 per 1M blended tokens.
Gemini 3.1 Pro Preview: closed weights.
GPT-5.1: closed weights.
General LLM: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5.1 in General LLM at #15 against #60.
Reasoning: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5.1 in Reasoning at #14 against #62.
Math: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5.1 in Math at #3 against #18.
Science: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5.1 in Science at #7 against #48.
Coding › Web dev: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5.1 in Coding › Web dev at #63 against #82.
Long context: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5.1 in Long context at #12 against #66.
Factuality: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5.1 in Factuality at #21 against #42.
Abstraction (ARC): As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5.1 in Abstraction (ARC) at #2 against #31.
Gemini 3.1 Pro Preview · GPT-5.1
Gemini 3.1 Pro Preview or GPT-5.1?
As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5.1 in 8 of 8 shared categories: General LLM, Reasoning, Math, Science, Coding › Web dev, Long context, Factuality, and Abstraction (ARC).
Gemini 3.1 Pro Preview or GPT-5.1 for General LLM?
As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5.1 in General LLM at #15 against #60.
Gemini 3.1 Pro Preview or GPT-5.1 for Reasoning?
As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5.1 in Reasoning at #14 against #62.
Gemini 3.1 Pro Preview or GPT-5.1 for Math?
As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5.1 in Math at #3 against #18.