# GPT-4.5 Preview vs Kimi K3

As of Oct 15, 2026, GPT-4.5 Preview leads Kimi K3 in 0 of 5 shared categories.

GPT-4.5 Preview: price per 1M tokens is unset in the catalog.

Kimi K3: $4.109999999999999 per 1M blended tokens.

GPT-4.5 Preview: closed weights.

Kimi K3: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, Kimi K3 leads GPT-4.5 Preview in General LLM at #13 against #79.
- Which to pick, Reasoning: As of Oct 15, 2026, Kimi K3 leads GPT-4.5 Preview in Reasoning at #7 against #121.
- Which to pick, Science: As of Oct 15, 2026, Kimi K3 leads GPT-4.5 Preview in Science at #17 against #92.
- Which to pick, Long context: As of Oct 15, 2026, Kimi K3 leads GPT-4.5 Preview in Long context at #8 against #93.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, Kimi K3 leads GPT-4.5 Preview in Abstraction (ARC) at #8 against #83.

As of Oct 15, 2026, GPT-4.5 Preview is a former state-of-the-art holder in General LLM (since Oct 17, 2025; sources LMArena Text (style-controlled, overall); 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).