# Gemini 3.1 Pro Preview vs GPT-4O Mini

As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-4O Mini in 1 of 2 shared categories: Science.

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

GPT-4O Mini: $0.26249999999999996 per 1M blended tokens.

Gemini 3.1 Pro Preview: closed weights.

GPT-4O Mini: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-4O Mini leads Gemini 3.1 Pro Preview in General LLM at #11 against #15.
- Which to pick, Science: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads GPT-4O Mini in Science at #7 against #161.

As of Oct 15, 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 15, 2026, GPT-4O Mini is ranked #11 in General LLM (since Oct 15, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).