# Claude 3 Opus vs O1

As of Oct 14, 2026, Claude 3 Opus leads O1 in 1 of 2 shared categories: General LLM.

Claude 3 Opus: price per 1M tokens is unset in the catalog.

O1: $26.25 per 1M blended tokens.

Claude 3 Opus: closed weights.

O1: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, Claude 3 Opus leads O1 in General LLM at #9 against #112.
- Which to pick, Science: As of Oct 14, 2026, O1 leads Claude 3 Opus in Science at #77 against #138.

As of Oct 14, 2026, Claude 3 Opus is ranked #9 in General LLM (since Oct 14, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Oct 14, 2026, O1 is a former state-of-the-art holder in General LLM (since Jan 28, 2025; sources LMArena Text (style-controlled, overall); methodology v1.0).