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Compare · 2026-10-15

Claude 3 Opus vs GPT-5.4 Nano

As of Oct 15, 2026, Claude 3 Opus leads GPT-5.4 Nano in 1 of 2 shared categories: General LLM.

CategoryClaude 3 OpusGPT-5.4 Nano
General LLM
#11 · #11 in General LLM
Margin —
LMArena leaderboard dataset · Sep 27, 2024
#149 · #149 in General LLM
Margin 79.25531914893617
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 7, 2024
#143 · #143 in Reasoning
Margin 76.59574468085106
LMArena leaderboard dataset · Oct 13, 2026
Math—
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Science
#138 · #138 in Science
Margin —
Epoch AI benchmarking hub · Feb 29, 2024
#73 · #73 in Science
Margin —
Epoch AI benchmarking hub · Mar 17, 2026
Coding—
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Long context—
#157 · #157 in Long context
Margin 83.51063829787233
LMArena leaderboard dataset · Oct 13, 2026
Vision
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 9, 2026
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 9, 2026
Factuality
#— · Not enough data
Margin —
Epoch AI benchmarking hub · Feb 29, 2024
#126 · #126 in Factuality
Margin 73.83720930232558
LMArena leaderboard dataset · Oct 13, 2026
Abstraction (ARC)—
#43 · #43 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Mar 17, 2026
Price per 1M tokens

Claude 3 Opus: price per 1M tokens is unset in the catalog.

GPT-5.4 Nano: $0.4625 per 1M blended tokens.

Open weights

Claude 3 Opus: closed weights.

GPT-5.4 Nano: closed weights.

Which to pick

General LLM: As of Oct 15, 2026, Claude 3 Opus leads GPT-5.4 Nano in General LLM at #11 against #149.

Science: As of Oct 15, 2026, GPT-5.4 Nano leads Claude 3 Opus in Science at #73 against #138.

Claude 3 Opus · GPT-5.4 Nano

Claude 3 Opus or GPT-5.4 Nano?

As of Oct 15, 2026, Claude 3 Opus leads GPT-5.4 Nano in 1 of 2 shared categories: General LLM.

Claude 3 Opus or GPT-5.4 Nano for General LLM?

As of Oct 15, 2026, Claude 3 Opus leads GPT-5.4 Nano in General LLM at #11 against #149.

Claude 3 Opus or GPT-5.4 Nano for Science?

As of Oct 15, 2026, GPT-5.4 Nano leads Claude 3 Opus in Science at #73 against #138.