Gemini 3 Pro vs O3 Mini
As of Oct 14, 2026, Gemini 3 Pro leads O3 Mini in 2 of 3 shared categories: Reasoning and Long context.
| Category | Gemini 3 Pro | O3 Mini |
|---|---|---|
| General LLM | #16 · Was SOTA · General LLM Margin 10.884353741496597 LMArena leaderboard dataset · Oct 13, 2026 | #7 · #7 in General LLM Margin — LMArena leaderboard dataset · Apr 16, 2025 |
| Reasoning | #22 · Was SOTA · Reasoning Margin 15.753424657534254 LMArena leaderboard dataset · Oct 13, 2026 | #133 · Was SOTA · Reasoning Margin 91.78082191780823 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | — | #76 · #76 in Science Margin — Epoch AI benchmarking hub · Jan 31, 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 | #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 | #145 · #145 in Long context Margin 98.63945578231292 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | — |
| Factuality | #10 · Was SOTA · Factuality Margin 8.208955223880594 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
| Abstraction (ARC) | — | #51 · #51 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
Gemini 3 Pro: price per 1M tokens is unset in the catalog.
O3 Mini: $1.9250000000000003 per 1M blended tokens.
Gemini 3 Pro: closed weights.
O3 Mini: closed weights.
General LLM: As of Oct 14, 2026, O3 Mini leads Gemini 3 Pro in General LLM at #7 against #16.
Reasoning: As of Oct 14, 2026, Gemini 3 Pro leads O3 Mini in Reasoning at #22 against #133.
Long context: As of Oct 14, 2026, Gemini 3 Pro leads O3 Mini in Long context at #21 against #145.
Gemini 3 Pro or O3 Mini?
As of Oct 14, 2026, Gemini 3 Pro leads O3 Mini in 2 of 3 shared categories: Reasoning and Long context.
Gemini 3 Pro or O3 Mini for General LLM?
As of Oct 14, 2026, O3 Mini leads Gemini 3 Pro in General LLM at #7 against #16.
Gemini 3 Pro or O3 Mini for Reasoning?
As of Oct 14, 2026, Gemini 3 Pro leads O3 Mini in Reasoning at #22 against #133.
Gemini 3 Pro or O3 Mini for Long context?
As of Oct 14, 2026, Gemini 3 Pro leads O3 Mini in Long context at #21 against #145.