Claude Opus 4.6 vs Gemini 3.1 Pro Preview
As of Oct 14, 2026, Claude Opus 4.6 leads Gemini 3.1 Pro Preview in 5 of 7 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6
Close. Near-SOTA in Reasoning, rank #2.
Gemini 3.1 Pro Preview
Yes. Yes on Math (best per dollar). Not the overall leader.
| Category | Claude Opus 4.6 | Gemini 3.1 Pro Preview |
|---|---|---|
| General LLM | #4 · Near-SOTA · General LLM Margin 2.7210884353741562 LMArena leaderboard dataset · Oct 13, 2026 | #15 · Was SOTA · General LLM Margin 10.204081632653057 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #2 · Near-SOTA · Reasoning Margin 2.0547945205479436 LMArena leaderboard dataset · Oct 13, 2026 | #14 · Was SOTA · Reasoning Margin 10.273972602739732 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #11 · #11 in Math Margin 22.22222222222223 Epoch AI benchmarking hub · Feb 5, 2026 | #3 · Near-SOTA · Math Margin 4.444444444444443 Epoch AI benchmarking hub · Feb 19, 2026 |
| Science | #32 · #32 in Science Margin — Epoch AI benchmarking hub · Feb 5, 2026 | #7 · #7 in Science Margin — Epoch AI benchmarking hub · Feb 19, 2026 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 5, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #35 · Was SOTA · Coding › Web dev Margin 31.775700934579433 LMArena leaderboard dataset · Oct 13, 2026 | #58 · #58 in Coding › Web dev Margin 53.271028037383175 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #2 · Near-SOTA · Long context Margin 0.6802721088435391 LMArena leaderboard dataset · Oct 13, 2026 | #12 · Was SOTA · Long context Margin 8.163265306122454 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #25 · Was SOTA · Vision Margin 68.42105263157896 Epoch AI benchmarking hub · Feb 19, 2026 |
| Factuality | #3 · Near-SOTA · Factuality Margin 2.9850746268656536 LMArena leaderboard dataset · Oct 13, 2026 | #18 · #18 in Factuality Margin 14.179104477611943 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #2 · #2 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Feb 19, 2026 |
Claude Opus 4.6: $10 per 1M blended tokens.
Gemini 3.1 Pro Preview: $4.5 per 1M blended tokens.
Claude Opus 4.6: closed weights.
Gemini 3.1 Pro Preview: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.6 leads Gemini 3.1 Pro Preview in General LLM at #4 against #15.
Reasoning: As of Oct 14, 2026, Claude Opus 4.6 leads Gemini 3.1 Pro Preview in Reasoning at #2 against #14.
Math: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Claude Opus 4.6 in Math at #3 against #11.
Science: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Claude Opus 4.6 in Science at #7 against #32.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 4.6 leads Gemini 3.1 Pro Preview in Coding › Web dev at #35 against #58.
Long context: As of Oct 14, 2026, Claude Opus 4.6 leads Gemini 3.1 Pro Preview in Long context at #2 against #12.
Factuality: As of Oct 14, 2026, Claude Opus 4.6 leads Gemini 3.1 Pro Preview in Factuality at #3 against #18.
Claude Opus 4.6 · Gemini 3.1 Pro Preview
Claude Opus 4.6 or Gemini 3.1 Pro Preview?
As of Oct 14, 2026, Claude Opus 4.6 leads Gemini 3.1 Pro Preview in 5 of 7 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6 or Gemini 3.1 Pro Preview for General LLM?
As of Oct 14, 2026, Claude Opus 4.6 leads Gemini 3.1 Pro Preview in General LLM at #4 against #15.
Claude Opus 4.6 or Gemini 3.1 Pro Preview for Reasoning?
As of Oct 14, 2026, Claude Opus 4.6 leads Gemini 3.1 Pro Preview in Reasoning at #2 against #14.
Claude Opus 4.6 or Gemini 3.1 Pro Preview for Math?
As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Claude Opus 4.6 in Math at #3 against #11.