Gemini 3.5 Flash vs GPT-5.5
As of Oct 14, 2026, Gemini 3.5 Flash leads GPT-5.5 in 1 of 8 shared categories: Science.
Gemini 3.5 Flash
#12 Best recorded rank: #12 in Abstraction (ARC), as of Oct 14, 2026.
GPT-5.5
It used to be. Was SOTA in General LLM.
| Category | Gemini 3.5 Flash | GPT-5.5 |
|---|---|---|
| General LLM | #24 · #24 in General LLM Margin 16.326530612244895 LMArena leaderboard dataset · Oct 13, 2026 | #21 · Was SOTA · General LLM Margin 14.285714285714292 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #32 · #32 in Reasoning Margin 22.602739726027394 LMArena leaderboard dataset · Oct 13, 2026 | #25 · #25 in Reasoning Margin 17.808219178082197 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 | #18 · #18 in Science Margin — Epoch AI benchmarking hub · May 19, 2026 | #30 · #30 in Science Margin — Epoch AI benchmarking hub · Apr 23, 2026 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · May 19, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #48 · #48 in Coding › Web dev Margin 43.925233644859816 LMArena leaderboard dataset · Oct 13, 2026 | #44 · #44 in Coding › Web dev Margin 40.18691588785047 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #28 · #28 in Long context Margin 19.04761904761905 LMArena leaderboard dataset · Oct 13, 2026 | #23 · Was SOTA · Long context Margin 15.646258503401356 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #29 · #29 in Vision Margin 86.84210526315789 Epoch AI benchmarking hub · May 19, 2026 | #10 · Was SOTA · Vision Margin 28.94736842105263 Epoch AI benchmarking hub · Apr 23, 2026 |
| Factuality | #13 · #13 in Factuality Margin 10.447761194029852 LMArena leaderboard dataset · Oct 13, 2026 | #5 · Was SOTA · Factuality Margin 4.477611940298502 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #12 · #12 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · May 19, 2026 | #7 · #7 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 23, 2026 |
Gemini 3.5 Flash: $3.375 per 1M blended tokens.
GPT-5.5: $11.25 per 1M blended tokens.
Gemini 3.5 Flash: closed weights.
GPT-5.5: closed weights.
General LLM: As of Oct 14, 2026, GPT-5.5 leads Gemini 3.5 Flash in General LLM at #21 against #24.
Reasoning: As of Oct 14, 2026, GPT-5.5 leads Gemini 3.5 Flash in Reasoning at #25 against #32.
Science: As of Oct 14, 2026, Gemini 3.5 Flash leads GPT-5.5 in Science at #18 against #30.
Coding › Web dev: As of Oct 14, 2026, GPT-5.5 leads Gemini 3.5 Flash in Coding › Web dev at #44 against #48.
Long context: As of Oct 14, 2026, GPT-5.5 leads Gemini 3.5 Flash in Long context at #23 against #28.
Vision: As of Oct 14, 2026, GPT-5.5 leads Gemini 3.5 Flash in Vision at #10 against #29.
Factuality: As of Oct 14, 2026, GPT-5.5 leads Gemini 3.5 Flash in Factuality at #5 against #13.
Abstraction (ARC): As of Oct 14, 2026, GPT-5.5 leads Gemini 3.5 Flash in Abstraction (ARC) at #7 against #12.
Gemini 3.5 Flash or GPT-5.5?
As of Oct 14, 2026, Gemini 3.5 Flash leads GPT-5.5 in 1 of 8 shared categories: Science.
Gemini 3.5 Flash or GPT-5.5 for General LLM?
As of Oct 14, 2026, GPT-5.5 leads Gemini 3.5 Flash in General LLM at #21 against #24.
Gemini 3.5 Flash or GPT-5.5 for Reasoning?
As of Oct 14, 2026, GPT-5.5 leads Gemini 3.5 Flash in Reasoning at #25 against #32.
Gemini 3.5 Flash or GPT-5.5 for Science?
As of Oct 14, 2026, Gemini 3.5 Flash leads GPT-5.5 in Science at #18 against #30.