Claude Sonnet 5.5 vs Gemini 3 Pro
As of Oct 14, 2026, Claude Sonnet 5.5 leads Gemini 3 Pro in 3 of 5 shared categories: Reasoning, Coding › Web dev, and Long context.
Claude Sonnet 5.5
Yes. SOTA in co-SOTA in Coding, co-SOTA in Coding › Agentic and co-SOTA in Vision.
Gemini 3 Pro
It used to be. Was SOTA in General LLM.
| Category | Claude Sonnet 5.5 | Gemini 3 Pro |
|---|---|---|
| General LLM | #27 · #27 in General LLM Margin 18.367346938775512 LMArena leaderboard dataset · Oct 13, 2026 | #16 · Was SOTA · General LLM Margin 10.884353741496597 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #18 · #18 in Reasoning Margin 13.013698630136986 LMArena leaderboard dataset · Oct 13, 2026 | #22 · Was SOTA · Reasoning Margin 15.753424657534254 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #4 · #4 in Math Margin 6.666666666666671 Epoch AI benchmarking hub · Sep 28, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #3 · #3 in Science Margin — Epoch AI benchmarking hub · Sep 28, 2026 | — |
| Coding | #1 · Co-SOTA · Coding Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #1 · Co-SOTA · Coding › Agentic Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #3 · Near-SOTA · Coding › Web dev Margin 1.8691588785046775 LMArena leaderboard dataset · Oct 13, 2026 | #59 · Was SOTA · Coding › Web dev Margin 54.205607476635514 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #11 · #11 in Long context Margin 7.482993197278915 LMArena leaderboard dataset · Oct 13, 2026 | #21 · Was SOTA · Long context Margin 14.285714285714292 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #1 · Co-SOTA · Vision Margin 0 Epoch AI benchmarking hub · Sep 28, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #16 · #16 in Factuality Margin 12.68656716417911 LMArena leaderboard dataset · Oct 13, 2026 | #10 · Was SOTA · Factuality Margin 8.208955223880594 LMArena leaderboard dataset · Oct 13, 2026 |
Claude Sonnet 5.5: $4.000000000000001 per 1M blended tokens.
Gemini 3 Pro: price per 1M tokens is unset in the catalog.
Claude Sonnet 5.5: closed weights.
Gemini 3 Pro: closed weights.
General LLM: As of Oct 14, 2026, Gemini 3 Pro leads Claude Sonnet 5.5 in General LLM at #16 against #27.
Reasoning: As of Oct 14, 2026, Claude Sonnet 5.5 leads Gemini 3 Pro in Reasoning at #18 against #22.
Coding › Web dev: As of Oct 14, 2026, Claude Sonnet 5.5 leads Gemini 3 Pro in Coding › Web dev at #3 against #59.
Long context: As of Oct 14, 2026, Claude Sonnet 5.5 leads Gemini 3 Pro in Long context at #11 against #21.
Factuality: As of Oct 14, 2026, Gemini 3 Pro leads Claude Sonnet 5.5 in Factuality at #10 against #16.
Claude Sonnet 5.5 · Gemini 3 Pro
Claude Sonnet 5.5 or Gemini 3 Pro?
As of Oct 14, 2026, Claude Sonnet 5.5 leads Gemini 3 Pro in 3 of 5 shared categories: Reasoning, Coding › Web dev, and Long context.
Claude Sonnet 5.5 or Gemini 3 Pro for General LLM?
As of Oct 14, 2026, Gemini 3 Pro leads Claude Sonnet 5.5 in General LLM at #16 against #27.
Claude Sonnet 5.5 or Gemini 3 Pro for Reasoning?
As of Oct 14, 2026, Claude Sonnet 5.5 leads Gemini 3 Pro in Reasoning at #18 against #22.
Claude Sonnet 5.5 or Gemini 3 Pro for Coding › Web dev?
As of Oct 14, 2026, Claude Sonnet 5.5 leads Gemini 3 Pro in Coding › Web dev at #3 against #59.