# Grok 4.5 vs Kimi K3

As of Oct 15, 2026, Grok 4.5 leads Kimi K3 in 1 of 8 shared categories: Science.

Grok 4.5: $3 per 1M blended tokens.

Kimi K3: $4.109999999999999 per 1M blended tokens.

Grok 4.5: closed weights.

Kimi K3: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, Kimi K3 leads Grok 4.5 in General LLM at #13 against #45.
- Which to pick, Reasoning: As of Oct 15, 2026, Kimi K3 leads Grok 4.5 in Reasoning at #7 against #44.
- Which to pick, Science: As of Oct 15, 2026, Grok 4.5 leads Kimi K3 in Science at #14 against #17.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Kimi K3 leads Grok 4.5 in Coding › Web dev at #12 against #36.
- Which to pick, Long context: As of Oct 15, 2026, Kimi K3 leads Grok 4.5 in Long context at #8 against #41.
- Which to pick, Vision: As of Oct 15, 2026, Kimi K3 leads Grok 4.5 in Vision at #22 against #29.
- Which to pick, Factuality: As of Oct 15, 2026, Kimi K3 leads Grok 4.5 in Factuality at #22 against #30.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, Kimi K3 leads Grok 4.5 in Abstraction (ARC) at #8 against #21.

As of Oct 15, 2026, Grok 4.5 is ranked #14 in Science (since Oct 15, 2026; sources GPQA Diamond; 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).