# O1 Preview vs O3 Mini

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

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

O3 Mini: $1.9250000000000003 per 1M blended tokens.

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.
- Which to pick, Reasoning: As of Oct 14, 2026, O3 Mini leads O1 Preview in Reasoning at #133 against #137.
- Which to pick, Science: As of Oct 14, 2026, O3 Mini leads O1 Preview in Science at #76 against #125.
- Which to pick, Long context: As of Oct 14, 2026, O1 Preview leads O3 Mini in Long context at #135 against #145.
- Which to pick, Abstraction (ARC): As of Oct 14, 2026, O3 Mini leads O1 Preview in Abstraction (ARC) at #51 against #73.

As of Oct 14, 2026, O1 Preview is a former state-of-the-art holder in General LLM (since Sep 27, 2024; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Oct 14, 2026, O3 Mini is a former state-of-the-art holder in Reasoning (since Feb 9, 2025; sources LMArena Text (style-controlled, hard prompts); methodology v1.0).