# Claude Sonnet 4.6 vs Kimi K3

As of Oct 15, 2026, Claude Sonnet 4.6 leads Kimi K3 in 0 of 8 shared categories.

Claude Sonnet 4.6: $6 per 1M blended tokens.

Kimi K3: $4.109999999999999 per 1M blended tokens.

Claude Sonnet 4.6: closed weights.

Kimi K3: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, Kimi K3 leads Claude Sonnet 4.6 in General LLM at #13 against #38.
- Which to pick, Reasoning: As of Oct 15, 2026, Kimi K3 leads Claude Sonnet 4.6 in Reasoning at #7 against #20.
- Which to pick, Science: As of Oct 15, 2026, Kimi K3 leads Claude Sonnet 4.6 in Science at #17 against #50.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Kimi K3 leads Claude Sonnet 4.6 in Coding › Web dev at #12 against #43.
- Which to pick, Long context: As of Oct 15, 2026, Kimi K3 leads Claude Sonnet 4.6 in Long context at #8 against #21.
- Which to pick, Vision: As of Oct 15, 2026, Kimi K3 leads Claude Sonnet 4.6 in Vision at #22 against #23.
- Which to pick, Factuality: As of Oct 15, 2026, Kimi K3 leads Claude Sonnet 4.6 in Factuality at #22 against #38.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, Kimi K3 leads Claude Sonnet 4.6 in Abstraction (ARC) at #8 against #23.

As of Oct 15, 2026, Claude Sonnet 4.6 is a former state-of-the-art holder in Long context (since Mar 19, 2026; sources LMArena Text (style-controlled, longer query); 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).