# Gemini 3 Pro vs GPT-5.5

As of Oct 15, 2026, Gemini 3 Pro leads GPT-5.5 in 3 of 5 shared categories: General LLM, Reasoning, and Long context.

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

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

Gemini 3 Pro: closed weights.

GPT-5.5: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Gemini 3 Pro leads GPT-5.5 in General LLM at #16 against #22.
- Which to pick, Reasoning: As of Oct 15, 2026, Gemini 3 Pro leads GPT-5.5 in Reasoning at #23 against #26.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-5.5 leads Gemini 3 Pro in Coding › Web dev at #48 against #65.
- Which to pick, Long context: As of Oct 15, 2026, Gemini 3 Pro leads GPT-5.5 in Long context at #24 against #26.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-5.5 leads Gemini 3 Pro in Factuality at #5 against #10.

As of Oct 15, 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).

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).