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Compare · 2026-10-15

DeepSeek V4 Pro 0813 vs GPT-5.5

As of Oct 15, 2026, DeepSeek V4 Pro 0813 leads GPT-5.5 in 1 of 2 shared categories: Science.

CategoryDeepSeek V4 Pro 0813GPT-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 · Aug 13, 2026
#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
#24 · #24 in Science
Margin —
Epoch AI benchmarking hub · Aug 13, 2026
#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
#— · Not enough data
Margin —
Epoch AI benchmarking hub · Aug 13, 2026
#5 · Near-SOTA · Factuality
Margin 3.4883720930232442
LMArena leaderboard dataset · Oct 13, 2026
Abstraction (ARC)
#15 · #15 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Aug 13, 2026
#7 · #7 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Apr 23, 2026
Price per 1M tokens

DeepSeek V4 Pro 0813: $0.9900000000000001 per 1M blended tokens.

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

Open weights

DeepSeek V4 Pro 0813: closed weights.

GPT-5.5: closed weights.

Which to pick

Science: As of Oct 15, 2026, DeepSeek V4 Pro 0813 leads GPT-5.5 in Science at #24 against #30.

Abstraction (ARC): As of Oct 15, 2026, GPT-5.5 leads DeepSeek V4 Pro 0813 in Abstraction (ARC) at #7 against #15.

DeepSeek V4 Pro 0813 · GPT-5.5

DeepSeek V4 Pro 0813 or GPT-5.5?

As of Oct 15, 2026, DeepSeek V4 Pro 0813 leads GPT-5.5 in 1 of 2 shared categories: Science.

DeepSeek V4 Pro 0813 or GPT-5.5 for Science?

As of Oct 15, 2026, DeepSeek V4 Pro 0813 leads GPT-5.5 in Science at #24 against #30.

DeepSeek V4 Pro 0813 or GPT-5.5 for Abstraction (ARC)?

As of Oct 15, 2026, GPT-5.5 leads DeepSeek V4 Pro 0813 in Abstraction (ARC) at #7 against #15.