Claude Sonnet 4.5 vs Gemini 3.1 Pro Preview
As of Oct 14, 2026, Claude Sonnet 4.5 leads Gemini 3.1 Pro Preview in 0 of 8 shared categories.
Claude Sonnet 4.5
It used to be. Was SOTA in General LLM.
Gemini 3.1 Pro Preview
Yes. Yes on Math (best per dollar). Not the overall leader.
| Category | Claude Sonnet 4.5 | Gemini 3.1 Pro Preview |
|---|---|---|
| General LLM | #49 · Was SOTA · General LLM Margin 33.33333333333333 LMArena leaderboard dataset · Oct 13, 2026 | #15 · Was SOTA · General LLM Margin 10.204081632653057 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #40 · Was SOTA · Reasoning Margin 28.082191780821915 LMArena leaderboard dataset · Oct 13, 2026 | #14 · Was SOTA · Reasoning Margin 10.273972602739732 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #25 · #25 in Math Margin 53.333333333333336 Epoch AI benchmarking hub · Sep 29, 2025 | #3 · Near-SOTA · Math Margin 4.444444444444443 Epoch AI benchmarking hub · Feb 19, 2026 |
| Science | #82 · #82 in Science Margin — Epoch AI benchmarking hub · Sep 29, 2025 | #7 · #7 in Science Margin — Epoch AI benchmarking hub · Feb 19, 2026 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Sep 29, 2025 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #78 · Was SOTA · Coding › Web dev Margin 71.96261682242991 LMArena leaderboard dataset · Oct 13, 2026 | #58 · #58 in Coding › Web dev Margin 53.271028037383175 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #29 · Was SOTA · Long context Margin 19.72789115646259 LMArena leaderboard dataset · Oct 13, 2026 | #12 · Was SOTA · Long context Margin 8.163265306122454 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | — | #25 · Was SOTA · Vision Margin 68.42105263157896 Epoch AI benchmarking hub · Feb 19, 2026 |
| Factuality | #50 · #50 in Factuality Margin 38.059701492537314 LMArena leaderboard dataset · Oct 13, 2026 | #18 · #18 in Factuality Margin 14.179104477611943 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #66 · #66 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 29, 2025 | #2 · #2 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Feb 19, 2026 |
Claude Sonnet 4.5: $6 per 1M blended tokens.
Gemini 3.1 Pro Preview: $4.5 per 1M blended tokens.
Claude Sonnet 4.5: closed weights.
Gemini 3.1 Pro Preview: closed weights.
General LLM: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Claude Sonnet 4.5 in General LLM at #15 against #49.
Reasoning: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Claude Sonnet 4.5 in Reasoning at #14 against #40.
Math: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Claude Sonnet 4.5 in Math at #3 against #25.
Science: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Claude Sonnet 4.5 in Science at #7 against #82.
Coding › Web dev: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Claude Sonnet 4.5 in Coding › Web dev at #58 against #78.
Long context: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Claude Sonnet 4.5 in Long context at #12 against #29.
Factuality: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Claude Sonnet 4.5 in Factuality at #18 against #50.
Abstraction (ARC): As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Claude Sonnet 4.5 in Abstraction (ARC) at #2 against #66.
Claude Sonnet 4.5 · Gemini 3.1 Pro Preview
Claude Sonnet 4.5 or Gemini 3.1 Pro Preview?
As of Oct 14, 2026, Claude Sonnet 4.5 leads Gemini 3.1 Pro Preview in 0 of 8 shared categories.
Claude Sonnet 4.5 or Gemini 3.1 Pro Preview for General LLM?
As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Claude Sonnet 4.5 in General LLM at #15 against #49.
Claude Sonnet 4.5 or Gemini 3.1 Pro Preview for Reasoning?
As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Claude Sonnet 4.5 in Reasoning at #14 against #40.
Claude Sonnet 4.5 or Gemini 3.1 Pro Preview for Math?
As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Claude Sonnet 4.5 in Math at #3 against #25.