# Claude Sonnet 4 vs Kimi K3

As of Oct 15, 2026, Claude Sonnet 4 leads Kimi K3 in 0 of 5 shared categories.

Claude Sonnet 4: $6 per 1M blended tokens.

Kimi K3: $4.109999999999999 per 1M blended tokens.

Claude Sonnet 4: closed weights.

Kimi K3: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, Kimi K3 leads Claude Sonnet 4 in General LLM at #13 against #163.
- Which to pick, Reasoning: As of Oct 15, 2026, Kimi K3 leads Claude Sonnet 4 in Reasoning at #7 against #149.
- Which to pick, Science: As of Oct 15, 2026, Kimi K3 leads Claude Sonnet 4 in Science at #17 against #97.
- Which to pick, Long context: As of Oct 15, 2026, Kimi K3 leads Claude Sonnet 4 in Long context at #8 against #123.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, Kimi K3 leads Claude Sonnet 4 in Abstraction (ARC) at #8 against #67.

As of Oct 15, 2026, Claude Sonnet 4 is ranked #35 in Math (since Oct 15, 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).