Gemini 3.8 Flash vs GPT-4.5 Preview
As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-4.5 Preview in 6 of 6 shared categories: General LLM, Reasoning, Math, 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.
GPT-4.5 Preview
It used to be. Was SOTA in General LLM.
| Category | Gemini 3.8 Flash | GPT-4.5 Preview |
|---|---|---|
| General LLM | #7 · Was SOTA · General LLM Margin 4.761904761904759 LMArena leaderboard dataset · Oct 13, 2026 | #62 · Was SOTA · General LLM Margin 42.17687074829932 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #6 · #6 in Reasoning Margin 4.794520547945211 LMArena leaderboard dataset · Oct 13, 2026 | #93 · Was SOTA · Reasoning Margin 64.38356164383562 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #5 · #5 in Math Margin 8.888888888888886 Epoch AI benchmarking hub · Sep 2, 2026 | #38 · #38 in Math Margin 84.44444444444444 Epoch AI benchmarking hub · Feb 27, 2025 |
| Science | #4 · #4 in Science Margin — Epoch AI benchmarking hub · Sep 2, 2026 | #92 · #92 in Science Margin — Epoch AI benchmarking hub · Feb 27, 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 | #76 · Was SOTA · Long context Margin 51.70068027210884 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 | — |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 2, 2026 | #83 · #83 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Feb 27, 2025 |
Gemini 3.8 Flash: $1.5 per 1M blended tokens.
GPT-4.5 Preview: price per 1M tokens is unset in the catalog.
Gemini 3.8 Flash: closed weights.
GPT-4.5 Preview: closed weights.
General LLM: As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-4.5 Preview in General LLM at #7 against #62.
Reasoning: As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-4.5 Preview in Reasoning at #6 against #93.
Math: As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-4.5 Preview in Math at #5 against #38.
Science: As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-4.5 Preview in Science at #4 against #92.
Long context: As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-4.5 Preview in Long context at #5 against #76.
Abstraction (ARC): As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-4.5 Preview in Abstraction (ARC) at #1 against #83.
Gemini 3.8 Flash · GPT-4.5 Preview
Gemini 3.8 Flash or GPT-4.5 Preview?
As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-4.5 Preview in 6 of 6 shared categories: General LLM, Reasoning, Math, Science, Long context, and Abstraction (ARC).
Gemini 3.8 Flash or GPT-4.5 Preview for General LLM?
As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-4.5 Preview in General LLM at #7 against #62.
Gemini 3.8 Flash or GPT-4.5 Preview for Reasoning?
As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-4.5 Preview in Reasoning at #6 against #93.
Gemini 3.8 Flash or GPT-4.5 Preview for Math?
As of Oct 14, 2026, Gemini 3.8 Flash leads GPT-4.5 Preview in Math at #5 against #38.