Gemini 3.8 Flash vs O3 Mini
As of Oct 14, 2026, Gemini 3.8 Flash leads O3 Mini in 4 of 5 shared categories: Reasoning, Science, Long context, and Abstraction (ARC).
Gemini 3.8 Flash
Yes. Yes on General LLM (best per dollar); Reasoning (best per dollar). Not the overall leader.
O3 Mini
It used to be. Was SOTA in Reasoning.
| Category | Gemini 3.8 Flash | O3 Mini |
|---|---|---|
| General LLM | #7 · Was SOTA · General LLM Margin 4.761904761904759 LMArena leaderboard dataset · Oct 13, 2026 | #7 · #7 in General LLM Margin — LMArena leaderboard dataset · Apr 16, 2025 |
| Reasoning | #6 · #6 in Reasoning Margin 4.794520547945211 LMArena leaderboard dataset · Oct 13, 2026 | #133 · Was SOTA · Reasoning Margin 91.78082191780823 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #5 · #5 in Math Margin 8.888888888888886 Epoch AI benchmarking hub · Sep 2, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #4 · #4 in Science Margin — Epoch AI benchmarking hub · Sep 2, 2026 | #76 · #76 in Science Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
| Coding | #15 · #15 in Coding Margin 72.72727272727272 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #15 · #15 in Coding › Agentic Margin 72.72727272727272 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #27 · #27 in Coding › Web dev Margin 24.29906542056075 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #5 · Near-SOTA · Long context Margin 3.401360544217681 LMArena leaderboard dataset · Oct 13, 2026 | #145 · #145 in Long context Margin 98.63945578231292 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #15 · #15 in Vision Margin 42.10526315789474 Epoch AI benchmarking hub · Sep 2, 2026 | — |
| Factuality | #17 · #17 in Factuality Margin 13.43283582089552 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 2, 2026 | #51 · #51 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
Gemini 3.8 Flash: $1.5 per 1M blended tokens.
O3 Mini: $1.9250000000000003 per 1M blended tokens.
Gemini 3.8 Flash: closed weights.
O3 Mini: closed weights.
General LLM: As of Oct 14, 2026, Gemini 3.8 Flash and O3 Mini share #7 in General LLM.
Reasoning: As of Oct 14, 2026, Gemini 3.8 Flash leads O3 Mini in Reasoning at #6 against #133.
Science: As of Oct 14, 2026, Gemini 3.8 Flash leads O3 Mini in Science at #4 against #76.
Long context: As of Oct 14, 2026, Gemini 3.8 Flash leads O3 Mini in Long context at #5 against #145.
Abstraction (ARC): As of Oct 14, 2026, Gemini 3.8 Flash leads O3 Mini in Abstraction (ARC) at #1 against #51.
Gemini 3.8 Flash or O3 Mini?
As of Oct 14, 2026, Gemini 3.8 Flash leads O3 Mini in 4 of 5 shared categories: Reasoning, Science, Long context, and Abstraction (ARC).
Gemini 3.8 Flash or O3 Mini for General LLM?
As of Oct 14, 2026, Gemini 3.8 Flash and O3 Mini share #7 in General LLM.
Gemini 3.8 Flash or O3 Mini for Reasoning?
As of Oct 14, 2026, Gemini 3.8 Flash leads O3 Mini in Reasoning at #6 against #133.
Gemini 3.8 Flash or O3 Mini for Science?
As of Oct 14, 2026, Gemini 3.8 Flash leads O3 Mini in Science at #4 against #76.