Claude Opus 4.5 vs Gemini 3 Pro
As of Oct 15, 2026, Claude Opus 4.5 leads Gemini 3 Pro in 2 of 5 shared categories: Coding › Web dev and Long context.
Claude Opus 4.5
It used to be. Was SOTA in Reasoning.
Gemini 3 Pro
It used to be. Was SOTA in General LLM.
| Category | Claude Opus 4.5 | Gemini 3 Pro |
|---|---|---|
| General LLM | #33 · #33 in General LLM Margin 22.448979591836732 LMArena leaderboard dataset · Oct 13, 2026 | #16 · Was SOTA · General LLM Margin 10.884353741496597 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #28 · Was SOTA · Reasoning Margin 19.86301369863014 LMArena leaderboard dataset · Oct 13, 2026 | #22 · Was SOTA · Reasoning Margin 15.753424657534254 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #16 · #16 in Math Margin 33.33333333333333 Epoch AI benchmarking hub · Nov 24, 2025 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #68 · #68 in Science Margin — Epoch AI benchmarking hub · Nov 24, 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 | #53 · Was SOTA · Coding › Web dev Margin 48.598130841121495 LMArena leaderboard dataset · Oct 13, 2026 | #59 · Was SOTA · Coding › Web dev Margin 54.205607476635514 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #19 · Was SOTA · Long context Margin 12.925170068027214 LMArena leaderboard dataset · Oct 13, 2026 | #21 · Was SOTA · Long context Margin 14.285714285714292 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | — | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #36 · #36 in Factuality Margin 27.611940298507463 LMArena leaderboard dataset · Oct 13, 2026 | #10 · Was SOTA · Factuality Margin 8.208955223880594 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #49 · #49 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Nov 24, 2025 | — |
Claude Opus 4.5: $10 per 1M blended tokens.
Gemini 3 Pro: price per 1M tokens is unset in the catalog.
Claude Opus 4.5: closed weights.
Gemini 3 Pro: closed weights.
General LLM: As of Oct 15, 2026, Gemini 3 Pro leads Claude Opus 4.5 in General LLM at #16 against #33.
Reasoning: As of Oct 15, 2026, Gemini 3 Pro leads Claude Opus 4.5 in Reasoning at #22 against #28.
Coding › Web dev: As of Oct 15, 2026, Claude Opus 4.5 leads Gemini 3 Pro in Coding › Web dev at #53 against #59.
Long context: As of Oct 15, 2026, Claude Opus 4.5 leads Gemini 3 Pro in Long context at #19 against #21.
Factuality: As of Oct 15, 2026, Gemini 3 Pro leads Claude Opus 4.5 in Factuality at #10 against #36.
Claude Opus 4.5 · Gemini 3 Pro
Claude Opus 4.5 or Gemini 3 Pro?
As of Oct 15, 2026, Claude Opus 4.5 leads Gemini 3 Pro in 2 of 5 shared categories: Coding › Web dev and Long context.
Claude Opus 4.5 or Gemini 3 Pro for General LLM?
As of Oct 15, 2026, Gemini 3 Pro leads Claude Opus 4.5 in General LLM at #16 against #33.
Claude Opus 4.5 or Gemini 3 Pro for Reasoning?
As of Oct 15, 2026, Gemini 3 Pro leads Claude Opus 4.5 in Reasoning at #22 against #28.
Claude Opus 4.5 or Gemini 3 Pro for Coding › Web dev?
As of Oct 15, 2026, Claude Opus 4.5 leads Gemini 3 Pro in Coding › Web dev at #53 against #59.