# Claude Opus 5.5 vs Gemini 3 Pro Preview

As of Oct 14, 2026, Claude Opus 5.5 leads Gemini 3 Pro Preview in 1 of 2 shared categories: Abstraction (ARC).

Claude Opus 5.5: $8.000000000000002 per 1M blended tokens.

Gemini 3 Pro Preview: price per 1M tokens is unset in the catalog.

Claude Opus 5.5: closed weights.

Gemini 3 Pro Preview: closed weights.

- Which to pick, Science: As of Oct 14, 2026, Gemini 3 Pro Preview leads Claude Opus 5.5 in Science at #21 against #31.
- Which to pick, Abstraction (ARC): As of Oct 14, 2026, Claude Opus 5.5 leads Gemini 3 Pro Preview in Abstraction (ARC) at #1 against #30.

As of Oct 14, 2026, Claude Opus 5.5 is tied for state of the art in Reasoning (since Oct 2, 2026; sources LMArena Text (style-controlled, hard prompts); methodology v1.0).

As of Oct 14, 2026, Gemini 3 Pro Preview is a former state-of-the-art holder in Math (since Nov 24, 2025; sources Humanity's Last Exam; methodology v1.0).