# Gemini 3.1 Pro Preview vs Gemini 3 Pro

As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Gemini 3 Pro in 4 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, and Long context.

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

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

Gemini 3.1 Pro Preview: closed weights.

Gemini 3 Pro: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Gemini 3 Pro in General LLM at #15 against #16.
- Which to pick, Reasoning: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Gemini 3 Pro in Reasoning at #14 against #22.
- Which to pick, Coding › Web dev: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Gemini 3 Pro in Coding › Web dev at #58 against #59.
- Which to pick, Long context: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads Gemini 3 Pro in Long context at #12 against #21.
- Which to pick, Factuality: As of Oct 14, 2026, Gemini 3 Pro leads Gemini 3.1 Pro Preview in Factuality at #10 against #18.

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 is a former state-of-the-art holder in General LLM (since Nov 17, 2025; sources LMArena Text (style-controlled, overall); methodology v1.0).