Compare · 2026-10-14

DeepSeek V4 Pro vs O3 Mini

As of Oct 14, 2026, DeepSeek V4 Pro leads O3 Mini in 3 of 4 shared categories: Reasoning, Science, and Long context.

CategoryDeepSeek V4 ProO3 Mini
General LLM
#44 · #44 in General LLM
Margin 29.931972789115648
LMArena leaderboard dataset · Oct 13, 2026
#7 · #7 in General LLM
Margin —
LMArena leaderboard dataset · Apr 16, 2025
Reasoning
#45 · #45 in Reasoning
Margin 31.506849315068493
LMArena leaderboard dataset · Oct 13, 2026
#133 · Was SOTA · Reasoning
Margin 91.78082191780823
LMArena leaderboard dataset · Oct 13, 2026
Math
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Science
#28 · #28 in Science
Margin —
Epoch AI benchmarking hub · Apr 24, 2026
#76 · #76 in Science
Margin —
Epoch AI benchmarking hub · Jan 31, 2025
Coding
#— · Not enough data
Margin —
Epoch AI benchmarking hub · Apr 24, 2026
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Coding › Web dev
#57 · #57 in Coding › Web dev
Margin 52.33644859813084
LMArena leaderboard dataset · Oct 13, 2026
—
Long context
#43 · #43 in Long context
Margin 29.25170068027211
LMArena leaderboard dataset · Oct 13, 2026
#145 · #145 in Long context
Margin 98.63945578231292
LMArena leaderboard dataset · Oct 13, 2026
Factuality
#41 · #41 in Factuality
Margin 31.343283582089555
LMArena leaderboard dataset · Oct 13, 2026
#— · Not enough data
Margin —
Epoch AI benchmarking hub · Jan 31, 2025
Abstraction (ARC)—
#51 · #51 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Jan 31, 2025
Price per 1M tokens

DeepSeek V4 Pro: $0.49851 per 1M blended tokens.

O3 Mini: $1.9250000000000003 per 1M blended tokens.

Open weights

DeepSeek V4 Pro: open weights.

O3 Mini: closed weights.

Which to pick

General LLM: As of Oct 14, 2026, O3 Mini leads DeepSeek V4 Pro in General LLM at #7 against #44.

Reasoning: As of Oct 14, 2026, DeepSeek V4 Pro leads O3 Mini in Reasoning at #45 against #133.

Science: As of Oct 14, 2026, DeepSeek V4 Pro leads O3 Mini in Science at #28 against #76.

Long context: As of Oct 14, 2026, DeepSeek V4 Pro leads O3 Mini in Long context at #43 against #145.

DeepSeek V4 Pro · O3 Mini

DeepSeek V4 Pro or O3 Mini?

As of Oct 14, 2026, DeepSeek V4 Pro leads O3 Mini in 3 of 4 shared categories: Reasoning, Science, and Long context.

DeepSeek V4 Pro or O3 Mini for General LLM?

As of Oct 14, 2026, O3 Mini leads DeepSeek V4 Pro in General LLM at #7 against #44.

DeepSeek V4 Pro or O3 Mini for Reasoning?

As of Oct 14, 2026, DeepSeek V4 Pro leads O3 Mini in Reasoning at #45 against #133.

DeepSeek V4 Pro or O3 Mini for Science?

As of Oct 14, 2026, DeepSeek V4 Pro leads O3 Mini in Science at #28 against #76.