# Gemini 1.5 Pro 002 vs Gemini 3.1 Pro Preview

As of Oct 14, 2026, Gemini 1.5 Pro 002 leads Gemini 3.1 Pro Preview in 1 of 3 shared categories: General LLM.

Gemini 1.5 Pro 002: price per 1M tokens is unset in the catalog.

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

Gemini 1.5 Pro 002: closed weights.

Gemini 3.1 Pro Preview: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, Gemini 1.5 Pro 002 leads Gemini 3.1 Pro Preview in General LLM at #11 against #15.
- Which to pick, Math: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Gemini 1.5 Pro 002 in Math at #3 against #40.
- Which to pick, Science: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Gemini 1.5 Pro 002 in Science at #7 against #111.

As of Oct 14, 2026, Gemini 1.5 Pro 002 is a former state-of-the-art holder in Math (since Sep 24, 2024; sources Humanity's Last Exam; methodology v1.0).

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).