# Gemini 3.1 Pro Preview vs Gemini 3 Pro Preview

As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Gemini 3 Pro Preview in 3 of 3 shared categories: Math, Science, and Abstraction (ARC).

Gemini 3.1 Pro Preview: $4.5 per 1M blended tokens.

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

Gemini 3.1 Pro Preview: closed weights.

Gemini 3 Pro Preview: closed weights.

- Which to pick, Math: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Gemini 3 Pro Preview in Math at #3 against #8.
- Which to pick, Science: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Gemini 3 Pro Preview in Science at #7 against #21.
- Which to pick, Abstraction (ARC): As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Gemini 3 Pro Preview in Abstraction (ARC) at #2 against #30.

As of Oct 14, 2026, Gemini 3.1 Pro Preview is state of the art on best per dollar in Math (since Oct 14, 2026; sources Humanity's Last Exam; 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).