Compare · 2026-10-14

O1 Preview vs O3 Mini

As of Oct 14, 2026, O1 Preview leads O3 Mini in 1 of 5 shared categories: Long context.

CategoryO1 PreviewO3 Mini
General LLM
#129 · Was SOTA · General LLM
Margin 87.75510204081633
LMArena leaderboard dataset · Oct 13, 2026
#7 · #7 in General LLM
Margin —
LMArena leaderboard dataset · Apr 16, 2025
Reasoning
#137 · Was SOTA · Reasoning
Margin 94.52054794520548
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
#125 · #125 in Science
Margin —
Epoch AI benchmarking hub · Sep 12, 2024
#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
#135 · Was SOTA · Long context
Margin 91.83673469387755
LMArena leaderboard dataset · Oct 13, 2026
#145 · #145 in Long context
Margin 98.63945578231292
LMArena leaderboard dataset · Oct 13, 2026
Factuality—
#— · Not enough data
Margin —
Epoch AI benchmarking hub · Jan 31, 2025
Abstraction (ARC)
#73 · #73 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Sep 12, 2024
#51 · #51 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Jan 31, 2025
Price per 1M tokens

O1 Preview: price per 1M tokens is unset in the catalog.

O3 Mini: $1.9250000000000003 per 1M blended tokens.

Open weights

O1 Preview: closed weights.

O3 Mini: closed weights.

Which to pick

General LLM: As of Oct 14, 2026, O3 Mini leads O1 Preview in General LLM at #7 against #129.

Reasoning: As of Oct 14, 2026, O3 Mini leads O1 Preview in Reasoning at #133 against #137.

Science: As of Oct 14, 2026, O3 Mini leads O1 Preview in Science at #76 against #125.

Long context: As of Oct 14, 2026, O1 Preview leads O3 Mini in Long context at #135 against #145.

Abstraction (ARC): As of Oct 14, 2026, O3 Mini leads O1 Preview in Abstraction (ARC) at #51 against #73.

O1 Preview · O3 Mini

O1 Preview or O3 Mini?

As of Oct 14, 2026, O1 Preview leads O3 Mini in 1 of 5 shared categories: Long context.

O1 Preview or O3 Mini for General LLM?

As of Oct 14, 2026, O3 Mini leads O1 Preview in General LLM at #7 against #129.

O1 Preview or O3 Mini for Reasoning?

As of Oct 14, 2026, O3 Mini leads O1 Preview in Reasoning at #133 against #137.

O1 Preview or O3 Mini for Science?

As of Oct 14, 2026, O3 Mini leads O1 Preview in Science at #76 against #125.