# Gemini 3 Pro Preview vs GPT-5.5

As of Oct 15, 2026, Gemini 3 Pro Preview leads GPT-5.5 in 1 of 2 shared categories: Science.

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

GPT-5.5: $11.25 per 1M blended tokens.

Gemini 3 Pro Preview: closed weights.

GPT-5.5: closed weights.

- Which to pick, Science: As of Oct 15, 2026, Gemini 3 Pro Preview leads GPT-5.5 in Science at #21 against #30.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-5.5 leads Gemini 3 Pro Preview in Abstraction (ARC) at #7 against #30.

As of Oct 15, 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).

As of Oct 15, 2026, GPT-5.5 is near state of the art, rank #5 in Factuality (since Oct 15, 2026; sources LMArena Text factuality; methodology v1.0).