Gemini 3.8 Flash vs GPT-5.4
As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-5.4 in 7 of 8 shared categories: General LLM, Reasoning, Math, Science, Coding › Web dev, 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.
GPT-5.4
It used to be. Was SOTA in General LLM.
| Category | Gemini 3.8 Flash | GPT-5.4 |
|---|---|---|
| General LLM | #7 · Was SOTA · General LLM Margin 4.761904761904759 LMArena leaderboard dataset · Oct 13, 2026 | #28 · Was SOTA · General LLM Margin 19.04761904761905 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #6 · #6 in Reasoning Margin 4.794520547945211 LMArena leaderboard dataset · Oct 13, 2026 | #29 · #29 in Reasoning Margin 20.54794520547945 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #5 · #5 in Math Margin 8.888888888888886 Epoch AI benchmarking hub · Sep 2, 2026 | #9 · #9 in Math Margin 17.777777777777757 Epoch AI benchmarking hub · Mar 5, 2026 |
| Science | #4 · #4 in Science Margin — Epoch AI benchmarking hub · Sep 2, 2026 | #16 · #16 in Science Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
| Coding | #15 · #15 in Coding Margin 72.72727272727272 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Mar 5, 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 | #55 · #55 in Coding › Web dev Margin 50.467289719626166 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #5 · Near-SOTA · Long context Margin 3.401360544217681 LMArena leaderboard dataset · Oct 13, 2026 | #34 · #34 in Long context Margin 23.12925170068027 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #15 · #15 in Vision Margin 42.10526315789474 Epoch AI benchmarking hub · Sep 2, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #17 · #17 in Factuality Margin 13.43283582089552 LMArena leaderboard dataset · Oct 13, 2026 | #6 · Was SOTA · Factuality Margin 5.22388059701494 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 2, 2026 | #10 · #10 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
Gemini 3.8 Flash: $1.5 per 1M blended tokens.
GPT-5.4: $5.625 per 1M blended tokens.
Gemini 3.8 Flash: closed weights.
GPT-5.4: closed weights.
General LLM: As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-5.4 in General LLM at #7 against #28.
Reasoning: As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-5.4 in Reasoning at #6 against #29.
Math: As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-5.4 in Math at #5 against #9.
Science: As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-5.4 in Science at #4 against #16.
Coding › Web dev: As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-5.4 in Coding › Web dev at #27 against #55.
Long context: As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-5.4 in Long context at #5 against #34.
Factuality: As of Oct 14, 2026, GPT-5.4 leads Gemini 3.8 Flash in Factuality at #6 against #17.
Abstraction (ARC): As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-5.4 in Abstraction (ARC) at #1 against #10.
Gemini 3.8 Flash or GPT-5.4?
As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-5.4 in 7 of 8 shared categories: General LLM, Reasoning, Math, Science, Coding › Web dev, Long context, and Abstraction (ARC).
Gemini 3.8 Flash or GPT-5.4 for General LLM?
As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-5.4 in General LLM at #7 against #28.
Gemini 3.8 Flash or GPT-5.4 for Reasoning?
As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-5.4 in Reasoning at #6 against #29.
Gemini 3.8 Flash or GPT-5.4 for Math?
As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-5.4 in Math at #5 against #9.