Compare · 2026-10-14

Claude Opus 5.5 vs GPT-4.1 Mini

As of Oct 14, 2026, Claude Opus 5.5 leads GPT-4.1 Mini in 5 of 5 shared categories: General LLM, Reasoning, Science, Long context, and Abstraction (ARC).

CategoryClaude Opus 5.5GPT-4.1 Mini
General LLM
#2 · Near-SOTA · General LLM
Margin 1.3605442176870781
LMArena leaderboard dataset · Oct 13, 2026
#134 · #134 in General LLM
Margin 91.156462585034
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#1 · Co-SOTA · Reasoning
Margin 0
LMArena leaderboard dataset · Oct 13, 2026
#132 · #132 in Reasoning
Margin 91.0958904109589
LMArena leaderboard dataset · Oct 13, 2026
Math
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
—
Science
#31 · #31 in Science
Margin —
Epoch AI benchmarking hub · Sep 22, 2026
#99 · #99 in Science
Margin —
Epoch AI benchmarking hub · Apr 14, 2025
Coding
#1 · Co-SOTA · Coding
Margin 0
Terminal-Bench Harbor Hub · Oct 6, 2026
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Coding › Agentic
#1 · Co-SOTA · Coding › Agentic
Margin 0
Terminal-Bench Harbor Hub · Oct 6, 2026
—
Coding › Web dev
#1 · SOTA · Coding › Web dev
Margin 0
LMArena leaderboard dataset · Oct 13, 2026
—
Long context
#1 · Co-SOTA · Long context
Margin 0
LMArena leaderboard dataset · Oct 13, 2026
#131 · #131 in Long context
Margin 89.1156462585034
LMArena leaderboard dataset · Oct 13, 2026
Vision
#4 · Near-SOTA · Vision
Margin 13.15789473684211
Epoch AI benchmarking hub · Sep 22, 2026
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 9, 2026
Factuality
#1 · Co-SOTA · Factuality
Margin 0
LMArena leaderboard dataset · Oct 13, 2026
#— · Not enough data
Margin —
Epoch AI benchmarking hub · Apr 14, 2025
Abstraction (ARC)
#1 · #1 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Sep 22, 2026
#89 · #89 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Apr 14, 2025
Price per 1M tokens

Claude Opus 5.5: $8.000000000000002 per 1M blended tokens.

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

Open weights

Claude Opus 5.5: closed weights.

GPT-4.1 Mini: closed weights.

Which to pick

General LLM: As of Oct 14, 2026, Claude Opus 5.5 leads GPT-4.1 Mini in General LLM at #2 against #134.

Reasoning: As of Oct 14, 2026, Claude Opus 5.5 leads GPT-4.1 Mini in Reasoning at #1 against #132.

Science: As of Oct 14, 2026, Claude Opus 5.5 leads GPT-4.1 Mini in Science at #31 against #99.

Long context: As of Oct 14, 2026, Claude Opus 5.5 leads GPT-4.1 Mini in Long context at #1 against #131.

Abstraction (ARC): As of Oct 14, 2026, Claude Opus 5.5 leads GPT-4.1 Mini in Abstraction (ARC) at #1 against #89.

Claude Opus 5.5 · GPT-4.1 Mini

Claude Opus 5.5 or GPT-4.1 Mini?

As of Oct 14, 2026, Claude Opus 5.5 leads GPT-4.1 Mini in 5 of 5 shared categories: General LLM, Reasoning, Science, Long context, and Abstraction (ARC).

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

As of Oct 14, 2026, Claude Opus 5.5 leads GPT-4.1 Mini in General LLM at #2 against #134.

Claude Opus 5.5 or GPT-4.1 Mini for Reasoning?

As of Oct 14, 2026, Claude Opus 5.5 leads GPT-4.1 Mini in Reasoning at #1 against #132.

Claude Opus 5.5 or GPT-4.1 Mini for Science?

As of Oct 14, 2026, Claude Opus 5.5 leads GPT-4.1 Mini in Science at #31 against #99.