Compare · 2026-10-14

Claude Sonnet 5 vs GPT-5.4

As of Oct 14, 2026, Claude Sonnet 5 leads GPT-5.4 in 2 of 6 shared categories: Coding › Web dev and Long context.

CategoryClaude Sonnet 5GPT-5.4
General LLM
#39 · #39 in General LLM
Margin 26.530612244897952
LMArena leaderboard dataset · Oct 13, 2026
#28 · Was SOTA · General LLM
Margin 19.04761904761905
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#34 · #34 in Reasoning
Margin 23.972602739726028
LMArena leaderboard dataset · Oct 13, 2026
#29 · #29 in Reasoning
Margin 20.54794520547945
LMArena leaderboard dataset · Oct 13, 2026
Math
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
#9 · #9 in Math
Margin 17.777777777777757
Epoch AI benchmarking hub · Mar 5, 2026
Science
#32 · #32 in Science
Margin —
Epoch AI benchmarking hub · Jun 30, 2026
#16 · #16 in Science
Margin —
Epoch AI benchmarking hub · Mar 5, 2026
Coding
#19 · #19 in Coding
Margin 95.45454545454545
Terminal-Bench Harbor Hub · Oct 6, 2026
#— · Not enough data
Margin —
Epoch AI benchmarking hub · Mar 5, 2026
Coding › Agentic
#19 · #19 in Coding › Agentic
Margin 95.45454545454545
Terminal-Bench Harbor Hub · Oct 6, 2026
—
Coding › Web dev
#38 · #38 in Coding › Web dev
Margin 34.57943925233644
LMArena leaderboard dataset · Oct 13, 2026
#55 · #55 in Coding › Web dev
Margin 50.467289719626166
LMArena leaderboard dataset · Oct 13, 2026
Long context
#31 · #31 in Long context
Margin 21.088435374149654
LMArena leaderboard dataset · Oct 13, 2026
#34 · #34 in Long context
Margin 23.12925170068027
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
#47 · #47 in Factuality
Margin 35.82089552238806
LMArena leaderboard dataset · Oct 13, 2026
#6 · Was SOTA · Factuality
Margin 5.22388059701494
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 Sonnet 5: $4.000000000000001 per 1M blended tokens.

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

Open weights

Claude Sonnet 5: closed weights.

GPT-5.4: closed weights.

Which to pick

General LLM: As of Oct 14, 2026, GPT-5.4 leads Claude Sonnet 5 in General LLM at #28 against #39.

Reasoning: As of Oct 14, 2026, GPT-5.4 leads Claude Sonnet 5 in Reasoning at #29 against #34.

Science: As of Oct 14, 2026, GPT-5.4 leads Claude Sonnet 5 in Science at #16 against #32.

Coding › Web dev: As of Oct 14, 2026, Claude Sonnet 5 leads GPT-5.4 in Coding › Web dev at #38 against #55.

Long context: As of Oct 14, 2026, Claude Sonnet 5 leads GPT-5.4 in Long context at #31 against #34.

Factuality: As of Oct 14, 2026, GPT-5.4 leads Claude Sonnet 5 in Factuality at #6 against #47.

Claude Sonnet 5 · GPT-5.4

Claude Sonnet 5 or GPT-5.4?

As of Oct 14, 2026, Claude Sonnet 5 leads GPT-5.4 in 2 of 6 shared categories: Coding › Web dev and Long context.

Claude Sonnet 5 or GPT-5.4 for General LLM?

As of Oct 14, 2026, GPT-5.4 leads Claude Sonnet 5 in General LLM at #28 against #39.

Claude Sonnet 5 or GPT-5.4 for Reasoning?

As of Oct 14, 2026, GPT-5.4 leads Claude Sonnet 5 in Reasoning at #29 against #34.

Claude Sonnet 5 or GPT-5.4 for Science?

As of Oct 14, 2026, GPT-5.4 leads Claude Sonnet 5 in Science at #16 against #32.