GPT-4.1 vs GPT-5.5
As of Oct 14, 2026, GPT-4.1 leads GPT-5.5 in 0 of 6 shared categories.
| Category | GPT-4.1 | GPT-5.5 |
|---|---|---|
| General LLM | #101 · #101 in General LLM Margin 68.70748299319727 LMArena leaderboard dataset · Oct 13, 2026 | #21 · Was SOTA · General LLM Margin 14.285714285714292 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #102 · #102 in Reasoning Margin 70.54794520547945 LMArena leaderboard dataset · Oct 13, 2026 | #25 · #25 in Reasoning Margin 17.808219178082197 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #39 · #39 in Math Margin 86.66666666666667 Epoch AI benchmarking hub · Apr 14, 2025 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #96 · #96 in Science Margin — Epoch AI benchmarking hub · Apr 14, 2025 | #30 · #30 in Science Margin — Epoch AI benchmarking hub · Apr 23, 2026 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Apr 14, 2025 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | — | #44 · #44 in Coding › Web dev Margin 40.18691588785047 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #95 · Was SOTA · Long context Margin 64.62585034013605 LMArena leaderboard dataset · Oct 13, 2026 | #23 · Was SOTA · Long context Margin 15.646258503401356 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #10 · Was SOTA · Vision Margin 28.94736842105263 Epoch AI benchmarking hub · Apr 23, 2026 |
| Factuality | #103 · #103 in Factuality Margin 77.61194029850746 LMArena leaderboard dataset · Oct 13, 2026 | #5 · Was SOTA · Factuality Margin 4.477611940298502 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #85 · #85 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 14, 2025 | #7 · #7 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 23, 2026 |
GPT-4.1: $3.5 per 1M blended tokens.
GPT-5.5: $11.25 per 1M blended tokens.
GPT-4.1: closed weights.
GPT-5.5: closed weights.
General LLM: As of Oct 14, 2026, GPT-5.5 leads GPT-4.1 in General LLM at #21 against #101.
Reasoning: As of Oct 14, 2026, GPT-5.5 leads GPT-4.1 in Reasoning at #25 against #102.
Science: As of Oct 14, 2026, GPT-5.5 leads GPT-4.1 in Science at #30 against #96.
Long context: As of Oct 14, 2026, GPT-5.5 leads GPT-4.1 in Long context at #23 against #95.
Factuality: As of Oct 14, 2026, GPT-5.5 leads GPT-4.1 in Factuality at #5 against #103.
Abstraction (ARC): As of Oct 14, 2026, GPT-5.5 leads GPT-4.1 in Abstraction (ARC) at #7 against #85.
GPT-4.1 or GPT-5.5?
As of Oct 14, 2026, GPT-4.1 leads GPT-5.5 in 0 of 6 shared categories.
GPT-4.1 or GPT-5.5 for General LLM?
As of Oct 14, 2026, GPT-5.5 leads GPT-4.1 in General LLM at #21 against #101.
GPT-4.1 or GPT-5.5 for Reasoning?
As of Oct 14, 2026, GPT-5.5 leads GPT-4.1 in Reasoning at #25 against #102.
GPT-4.1 or GPT-5.5 for Science?
As of Oct 14, 2026, GPT-5.5 leads GPT-4.1 in Science at #30 against #96.