Compare · 2026-10-14

GPT-4.1 Mini vs GPT-5.5

As of Oct 14, 2026, GPT-4.1 Mini leads GPT-5.5 in 0 of 5 shared categories.

CategoryGPT-4.1 MiniGPT-5.5
General LLM
#134 · #134 in General LLM
Margin 91.156462585034
LMArena leaderboard dataset · Oct 13, 2026
#21 · Was SOTA · General LLM
Margin 14.285714285714292
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#132 · #132 in Reasoning
Margin 91.0958904109589
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
Science
#99 · #99 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 —
LMArena leaderboard dataset · Oct 13, 2026
#— · 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
#131 · #131 in Long context
Margin 89.1156462585034
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
#— · Not enough data
Margin —
Epoch AI benchmarking hub · Apr 14, 2025
#5 · Was SOTA · Factuality
Margin 4.477611940298502
LMArena leaderboard dataset · Oct 13, 2026
Abstraction (ARC)
#89 · #89 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Apr 14, 2025
#7 · #7 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Apr 23, 2026
Price per 1M tokens

GPT-4.1 Mini: $0.7 per 1M blended tokens.

GPT-5.5: $11.25 per 1M blended tokens.

Open weights

GPT-4.1 Mini: closed weights.

GPT-5.5: closed weights.

Which to pick

General LLM: As of Oct 14, 2026, GPT-5.5 leads GPT-4.1 Mini in General LLM at #21 against #134.

Reasoning: As of Oct 14, 2026, GPT-5.5 leads GPT-4.1 Mini in Reasoning at #25 against #132.

Science: As of Oct 14, 2026, GPT-5.5 leads GPT-4.1 Mini in Science at #30 against #99.

Long context: As of Oct 14, 2026, GPT-5.5 leads GPT-4.1 Mini in Long context at #23 against #131.

Abstraction (ARC): As of Oct 14, 2026, GPT-5.5 leads GPT-4.1 Mini in Abstraction (ARC) at #7 against #89.

GPT-4.1 Mini · GPT-5.5

GPT-4.1 Mini or GPT-5.5?

As of Oct 14, 2026, GPT-4.1 Mini leads GPT-5.5 in 0 of 5 shared categories.

GPT-4.1 Mini or GPT-5.5 for General LLM?

As of Oct 14, 2026, GPT-5.5 leads GPT-4.1 Mini in General LLM at #21 against #134.

GPT-4.1 Mini or GPT-5.5 for Reasoning?

As of Oct 14, 2026, GPT-5.5 leads GPT-4.1 Mini in Reasoning at #25 against #132.

GPT-4.1 Mini or GPT-5.5 for Science?

As of Oct 14, 2026, GPT-5.5 leads GPT-4.1 Mini in Science at #30 against #99.