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Compare · 2026-10-15

Claude 3.5 Sonnet vs GPT-5.4

As of Oct 15, 2026, Claude 3.5 Sonnet leads GPT-5.4 in 0 of 5 shared categories.

CategoryClaude 3.5 SonnetGPT-5.4
General LLM
#181 · Was SOTA · General LLM
Margin 96.27659574468085
LMArena leaderboard dataset · Oct 13, 2026
#30 · Was SOTA · General LLM
Margin 15.957446808510639
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#175 · Was SOTA · Reasoning
Margin 93.61702127659575
LMArena leaderboard dataset · Oct 13, 2026
#32 · #32 in Reasoning
Margin 17.55319148936171
LMArena leaderboard dataset · Oct 13, 2026
Math
#43 · #43 in Math
Margin 95.55555555555556
Epoch AI benchmarking hub · Oct 22, 2024
#9 · #9 in Math
Margin 17.777777777777757
Epoch AI benchmarking hub · Mar 5, 2026
Science
#119 · #119 in Science
Margin —
Epoch AI benchmarking hub · Oct 22, 2024
#16 · #16 in Science
Margin —
Epoch AI benchmarking hub · Mar 5, 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—
#60 · #60 in Coding › Web dev
Margin 47.2
LMArena leaderboard dataset · Oct 13, 2026
Long context
#163 · Was SOTA · Long context
Margin 86.70212765957447
LMArena leaderboard dataset · Oct 13, 2026
#40 · #40 in Long context
Margin 21.276595744680847
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—
#6 · Was SOTA · Factuality
Margin 4.0697674418604635
LMArena leaderboard dataset · Oct 13, 2026
Abstraction (ARC)—
#10 · #10 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Mar 5, 2026
Price per 1M tokens

Claude 3.5 Sonnet: price per 1M tokens is unset in the catalog.

GPT-5.4: $5.625 per 1M blended tokens.

Open weights

Claude 3.5 Sonnet: closed weights.

GPT-5.4: closed weights.

Which to pick

General LLM: As of Oct 15, 2026, GPT-5.4 leads Claude 3.5 Sonnet in General LLM at #30 against #181.

Reasoning: As of Oct 15, 2026, GPT-5.4 leads Claude 3.5 Sonnet in Reasoning at #32 against #175.

Math: As of Oct 15, 2026, GPT-5.4 leads Claude 3.5 Sonnet in Math at #9 against #43.

Science: As of Oct 15, 2026, GPT-5.4 leads Claude 3.5 Sonnet in Science at #16 against #119.

Long context: As of Oct 15, 2026, GPT-5.4 leads Claude 3.5 Sonnet in Long context at #40 against #163.

Claude 3.5 Sonnet · GPT-5.4

Claude 3.5 Sonnet or GPT-5.4?

As of Oct 15, 2026, Claude 3.5 Sonnet leads GPT-5.4 in 0 of 5 shared categories.

Claude 3.5 Sonnet or GPT-5.4 for General LLM?

As of Oct 15, 2026, GPT-5.4 leads Claude 3.5 Sonnet in General LLM at #30 against #181.

Claude 3.5 Sonnet or GPT-5.4 for Reasoning?

As of Oct 15, 2026, GPT-5.4 leads Claude 3.5 Sonnet in Reasoning at #32 against #175.

Claude 3.5 Sonnet or GPT-5.4 for Math?

As of Oct 15, 2026, GPT-5.4 leads Claude 3.5 Sonnet in Math at #9 against #43.