Compare · 2026-10-14

Mistral Large 3 vs O3 Mini

As of Oct 14, 2026, Mistral Large 3 leads O3 Mini in 2 of 3 shared categories: Reasoning and Long context.

CategoryMistral Large 3O3 Mini
General LLM
#103 · #103 in General LLM
Margin 70.06802721088435
LMArena leaderboard dataset · Oct 13, 2026
#7 · #7 in General LLM
Margin —
LMArena leaderboard dataset · Apr 16, 2025
Reasoning
#104 · #104 in Reasoning
Margin 71.91780821917808
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
Coding › Web dev
#104 · #104 in Coding › Web dev
Margin 96.26168224299066
LMArena leaderboard dataset · Oct 13, 2026
—
Long context
#102 · #102 in Long context
Margin 69.38775510204081
LMArena leaderboard dataset · Oct 13, 2026
#145 · #145 in Long context
Margin 98.63945578231292
LMArena leaderboard dataset · Oct 13, 2026
Vision
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 9, 2026
—
Factuality
#76 · #76 in Factuality
Margin 57.462686567164184
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

Mistral Large 3: price per 1M tokens is unset in the catalog.

O3 Mini: $1.9250000000000003 per 1M blended tokens.

Open weights

Mistral Large 3: open weights.

O3 Mini: closed weights.

Which to pick

General LLM: As of Oct 14, 2026, O3 Mini leads Mistral Large 3 in General LLM at #7 against #103.

Reasoning: As of Oct 14, 2026, Mistral Large 3 leads O3 Mini in Reasoning at #104 against #133.

Long context: As of Oct 14, 2026, Mistral Large 3 leads O3 Mini in Long context at #102 against #145.

Mistral Large 3 · O3 Mini

Mistral Large 3 or O3 Mini?

As of Oct 14, 2026, Mistral Large 3 leads O3 Mini in 2 of 3 shared categories: Reasoning and Long context.

Mistral Large 3 or O3 Mini for General LLM?

As of Oct 14, 2026, O3 Mini leads Mistral Large 3 in General LLM at #7 against #103.

Mistral Large 3 or O3 Mini for Reasoning?

As of Oct 14, 2026, Mistral Large 3 leads O3 Mini in Reasoning at #104 against #133.

Mistral Large 3 or O3 Mini for Long context?

As of Oct 14, 2026, Mistral Large 3 leads O3 Mini in Long context at #102 against #145.