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Compare · 2026-10-15

Claude 3.7 Sonnet 20250219 vs GPT-5.5

As of Oct 15, 2026, Claude 3.7 Sonnet 20250219 leads GPT-5.5 in 0 of 2 shared categories.

CategoryClaude 3.7 Sonnet 20250219GPT-5.5
General LLM—
#22 · Was SOTA · General LLM
Margin 11.702127659574472
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#— · Not enough data
Margin —
Epoch AI benchmarking hub · Feb 24, 2025
#26 · #26 in Reasoning
Margin 14.36170212765957
LMArena leaderboard dataset · Oct 13, 2026
Math—
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Science
#72 · #72 in Science
Margin —
Epoch AI benchmarking hub · Feb 24, 2025
#30 · #30 in Science
Margin —
Epoch AI benchmarking hub · Apr 23, 2026
Coding—
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Coding › Web dev—
#48 · #48 in Coding › Web dev
Margin 37.6
LMArena leaderboard dataset · Oct 13, 2026
Long context—
#26 · Was SOTA · Long context
Margin 13.829787234042556
LMArena leaderboard dataset · Oct 13, 2026
Vision—
#10 · Was SOTA · Vision
Margin 28.94736842105263
Epoch AI benchmarking hub · Apr 23, 2026
Factuality—
#5 · Near-SOTA · Factuality
Margin 3.4883720930232442
LMArena leaderboard dataset · Oct 13, 2026
Abstraction (ARC)
#61 · #61 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Feb 24, 2025
#7 · #7 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Apr 23, 2026
Price per 1M tokens

Claude 3.7 Sonnet 20250219: price per 1M tokens is unset in the catalog.

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

Open weights

Claude 3.7 Sonnet 20250219: closed weights.

GPT-5.5: closed weights.

Which to pick

Science: As of Oct 15, 2026, GPT-5.5 leads Claude 3.7 Sonnet 20250219 in Science at #30 against #72.

Abstraction (ARC): As of Oct 15, 2026, GPT-5.5 leads Claude 3.7 Sonnet 20250219 in Abstraction (ARC) at #7 against #61.

Claude 3.7 Sonnet 20250219 · GPT-5.5

Claude 3.7 Sonnet 20250219 or GPT-5.5?

As of Oct 15, 2026, Claude 3.7 Sonnet 20250219 leads GPT-5.5 in 0 of 2 shared categories.

Claude 3.7 Sonnet 20250219 or GPT-5.5 for Science?

As of Oct 15, 2026, GPT-5.5 leads Claude 3.7 Sonnet 20250219 in Science at #30 against #72.

Claude 3.7 Sonnet 20250219 or GPT-5.5 for Abstraction (ARC)?

As of Oct 15, 2026, GPT-5.5 leads Claude 3.7 Sonnet 20250219 in Abstraction (ARC) at #7 against #61.