Gemini 3.1 Pro Preview vs GPT-5
As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5 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
It used to be. Was SOTA in General LLM.
| Category | Gemini 3.1 Pro Preview | GPT-5 |
|---|---|---|
| General LLM | #15 · Was SOTA · General LLM Margin 7.9787234042553195 LMArena leaderboard dataset · Oct 13, 2026 | #95 · Was SOTA · General LLM Margin 50.53191489361702 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #14 · Was SOTA · Reasoning Margin 7.9787234042553195 LMArena leaderboard dataset · Oct 13, 2026 | #103 · Was SOTA · Reasoning Margin 55.319148936170215 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #3 · Near-SOTA · Math Margin 4.444444444444443 Epoch AI benchmarking hub · Feb 19, 2026 | #15 · Was SOTA · Math Margin 31.111111111111114 Epoch AI benchmarking hub · Aug 7, 2025 |
| Science | #7 · #7 in Science Margin — Epoch AI benchmarking hub · Feb 19, 2026 | #54 · #54 in Science Margin — Epoch AI benchmarking hub · Aug 7, 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 | #72 · #72 in Coding › Web dev Margin 56.8 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #12 · Was SOTA · Long context Margin 6.382978723404236 LMArena leaderboard dataset · Oct 13, 2026 | #142 · Was SOTA · Long context Margin 75.53191489361703 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 | #119 · #119 in Factuality Margin 69.76744186046511 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #2 · #2 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Feb 19, 2026 | #34 · #34 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Aug 7, 2025 |
Gemini 3.1 Pro Preview: $4.5 per 1M blended tokens.
GPT-5: $3.4375000000000004 per 1M blended tokens.
Gemini 3.1 Pro Preview: closed weights.
GPT-5: closed weights.
General LLM: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5 in General LLM at #15 against #95.
Reasoning: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5 in Reasoning at #14 against #103.
Math: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5 in Math at #3 against #15.
Science: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5 in Science at #7 against #54.
Coding › Web dev: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5 in Coding › Web dev at #63 against #72.
Long context: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5 in Long context at #12 against #142.
Factuality: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5 in Factuality at #21 against #119.
Abstraction (ARC): As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5 in Abstraction (ARC) at #2 against #34.
Gemini 3.1 Pro Preview · GPT-5
Gemini 3.1 Pro Preview or GPT-5?
As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5 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 for General LLM?
As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5 in General LLM at #15 against #95.
Gemini 3.1 Pro Preview or GPT-5 for Reasoning?
As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5 in Reasoning at #14 against #103.
Gemini 3.1 Pro Preview or GPT-5 for Math?
As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-5 in Math at #3 against #15.