# Gemini 2.5 Pro Exp 03.25 vs Gemini 3.1 Pro Preview

As of Oct 14, 2026, Gemini 2.5 Pro Exp 03.25 leads Gemini 3.1 Pro Preview in 0 of 2 shared categories.

Gemini 2.5 Pro Exp 03.25: price per 1M tokens is unset in the catalog.

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

Gemini 2.5 Pro Exp 03.25: closed weights.

Gemini 3.1 Pro Preview: closed weights.

- Which to pick, Math: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Gemini 2.5 Pro Exp 03.25 in Math at #3 against #22.
- Which to pick, Science: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Gemini 2.5 Pro Exp 03.25 in Science at #7 against #61.

As of Oct 14, 2026, Gemini 2.5 Pro Exp 03.25 is a former state-of-the-art holder in Math (since Jul 20, 2025; 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).