# Gemini 3.1 Pro Preview vs Kimi K3

As of Oct 15, 2026, Gemini 3.1 Pro Preview leads Kimi K3 in 3 of 8 shared categories: Science, Factuality, and Abstraction (ARC).

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

Kimi K3: $4.109999999999999 per 1M blended tokens.

Gemini 3.1 Pro Preview: closed weights.

Kimi K3: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, Kimi K3 leads Gemini 3.1 Pro Preview in General LLM at #13 against #15.
- Which to pick, Reasoning: As of Oct 15, 2026, Kimi K3 leads Gemini 3.1 Pro Preview in Reasoning at #7 against #14.
- Which to pick, Science: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads Kimi K3 in Science at #7 against #17.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Kimi K3 leads Gemini 3.1 Pro Preview in Coding › Web dev at #12 against #63.
- Which to pick, Long context: As of Oct 15, 2026, Kimi K3 leads Gemini 3.1 Pro Preview in Long context at #8 against #12.
- Which to pick, Vision: As of Oct 15, 2026, Kimi K3 leads Gemini 3.1 Pro Preview in Vision at #22 against #25.
- Which to pick, Factuality: As of Oct 15, 2026, Gemini 3.1 Pro Preview leads Kimi K3 in Factuality at #21 against #22.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, Gemini 3.1 Pro Preview leads Kimi K3 in Abstraction (ARC) at #2 against #8.

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, Kimi K3 is tied for state of the art in General LLM (since Oct 13, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).