Compare · 2026-10-14

DeepSeek V3.2 Exp Thinking vs O3 Mini

As of Oct 14, 2026, DeepSeek V3.2 Exp Thinking leads O3 Mini in 2 of 3 shared categories: Reasoning and Long context.

CategoryDeepSeek V3.2 Exp ThinkingO3 Mini
General LLM
#84 · #84 in General LLM
Margin 57.142857142857146
LMArena leaderboard dataset · Oct 13, 2026
#7 · #7 in General LLM
Margin —
LMArena leaderboard dataset · Apr 16, 2025
Reasoning
#84 · #84 in Reasoning
Margin 58.21917808219178
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—
#76 · #76 in Science
Margin —
Epoch AI benchmarking hub · Jan 31, 2025
Coding
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Long context
#86 · #86 in Long context
Margin 58.50340136054422
LMArena leaderboard dataset · Oct 13, 2026
#145 · #145 in Long context
Margin 98.63945578231292
LMArena leaderboard dataset · Oct 13, 2026
Factuality
#56 · #56 in Factuality
Margin 42.53731343283582
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 V3.2 Exp Thinking: price per 1M tokens is unset in the catalog.

O3 Mini: $1.9250000000000003 per 1M blended tokens.

Open weights

DeepSeek V3.2 Exp Thinking: open weights.

O3 Mini: closed weights.

Which to pick

General LLM: As of Oct 14, 2026, O3 Mini leads DeepSeek V3.2 Exp Thinking in General LLM at #7 against #84.

Reasoning: As of Oct 14, 2026, DeepSeek V3.2 Exp Thinking leads O3 Mini in Reasoning at #84 against #133.

Long context: As of Oct 14, 2026, DeepSeek V3.2 Exp Thinking leads O3 Mini in Long context at #86 against #145.

DeepSeek V3.2 Exp Thinking · O3 Mini

DeepSeek V3.2 Exp Thinking or O3 Mini?

As of Oct 14, 2026, DeepSeek V3.2 Exp Thinking leads O3 Mini in 2 of 3 shared categories: Reasoning and Long context.

DeepSeek V3.2 Exp Thinking or O3 Mini for General LLM?

As of Oct 14, 2026, O3 Mini leads DeepSeek V3.2 Exp Thinking in General LLM at #7 against #84.

DeepSeek V3.2 Exp Thinking or O3 Mini for Reasoning?

As of Oct 14, 2026, DeepSeek V3.2 Exp Thinking leads O3 Mini in Reasoning at #84 against #133.

DeepSeek V3.2 Exp Thinking or O3 Mini for Long context?

As of Oct 14, 2026, DeepSeek V3.2 Exp Thinking leads O3 Mini in Long context at #86 against #145.