# Gemini 3 Pro vs O3

As of Oct 14, 2026, Gemini 3 Pro leads O3 in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.

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

O3: $3.5 per 1M blended tokens.

Gemini 3 Pro: closed weights.

O3: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, Gemini 3 Pro leads O3 in General LLM at #16 against #78.
- Which to pick, Reasoning: As of Oct 14, 2026, Gemini 3 Pro leads O3 in Reasoning at #22 against #90.
- Which to pick, Long context: As of Oct 14, 2026, Gemini 3 Pro leads O3 in Long context at #21 against #110.
- Which to pick, Factuality: As of Oct 14, 2026, Gemini 3 Pro leads O3 in Factuality at #10 against #105.

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).

As of Oct 14, 2026, O3 is a former state-of-the-art holder in General LLM (since Jul 28, 2025; sources LMArena Text (style-controlled, overall); methodology v1.0).