Gemini 3 Pro vs O3
As of Oct 14, 2026, Gemini 3 Pro leads O3 in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.
| Category | Gemini 3 Pro | O3 |
|---|---|---|
| General LLM | #16 · Was SOTA · General LLM Margin 10.884353741496597 LMArena leaderboard dataset · Oct 13, 2026 | #78 · Was SOTA · General LLM Margin 53.06122448979592 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #22 · Was SOTA · Reasoning Margin 15.753424657534254 LMArena leaderboard dataset · Oct 13, 2026 | #90 · Was SOTA · Reasoning Margin 62.32876712328767 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #20 · Was SOTA · Math Margin 42.22222222222222 Epoch AI benchmarking hub · Apr 16, 2025 |
| Science | — | #67 · #67 in Science Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
| Coding › Web dev | #59 · Was SOTA · Coding › Web dev Margin 54.205607476635514 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #21 · Was SOTA · Long context Margin 14.285714285714292 LMArena leaderboard dataset · Oct 13, 2026 | #110 · Was SOTA · Long context Margin 74.82993197278913 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #10 · Was SOTA · Factuality Margin 8.208955223880594 LMArena leaderboard dataset · Oct 13, 2026 | #105 · #105 in Factuality Margin 79.1044776119403 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #37 · #37 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
Gemini 3 Pro: price per 1M tokens is unset in the catalog.
O3: $3.5 per 1M blended tokens.
Gemini 3 Pro: closed weights.
O3: closed weights.
General LLM: As of Oct 14, 2026, Gemini 3 Pro leads O3 in General LLM at #16 against #78.
Reasoning: As of Oct 14, 2026, Gemini 3 Pro leads O3 in Reasoning at #22 against #90.
Long context: As of Oct 14, 2026, Gemini 3 Pro leads O3 in Long context at #21 against #110.
Factuality: As of Oct 14, 2026, Gemini 3 Pro leads O3 in Factuality at #10 against #105.
Gemini 3 Pro or O3?
As of Oct 14, 2026, Gemini 3 Pro leads O3 in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.
Gemini 3 Pro or O3 for General LLM?
As of Oct 14, 2026, Gemini 3 Pro leads O3 in General LLM at #16 against #78.
Gemini 3 Pro or O3 for Reasoning?
As of Oct 14, 2026, Gemini 3 Pro leads O3 in Reasoning at #22 against #90.
Gemini 3 Pro or O3 for Long context?
As of Oct 14, 2026, Gemini 3 Pro leads O3 in Long context at #21 against #110.