Claude Sonnet 4.5 20250929 vs Kimi K3
As of Oct 14, 2026, Claude Sonnet 4.5 20250929 leads Kimi K3 in 0 of 2 shared categories.
Claude Sonnet 4.5 20250929
#36 Best recorded rank: #36 in Abstraction (ARC), as of Oct 14, 2026.
Kimi K3
Yes. Yes on General LLM (open weights); Reasoning (open weights). Not the overall leader.
| Category | Claude Sonnet 4.5 20250929 | Kimi K3 |
|---|---|---|
| General LLM | — | #13 · #13 in General LLM Margin 8.84353741496598 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #— · Not enough data Margin — Epoch AI benchmarking hub · Sep 29, 2025 | #7 · #7 in Reasoning Margin 5.479452054794521 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | — | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #66 · #66 in Science Margin — Epoch AI benchmarking hub · Sep 29, 2025 | #17 · #17 in Science Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
| Coding | — | #— · Not enough data Margin — Scale Labs leaderboards · Oct 14, 2026 |
| Coding › Web dev | — | #11 · Was SOTA · Coding › Web dev Margin 9.34579439252336 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | — | #8 · Was SOTA · Long context Margin 5.442176870748298 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | — | #22 · #22 in Vision Margin 60.526315789473685 Epoch AI benchmarking hub · Jul 16, 2026 |
| Factuality | #— · Not enough data Margin — Epoch AI benchmarking hub · Sep 29, 2025 | #19 · #19 in Factuality Margin 14.925373134328368 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #36 · #36 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 29, 2025 | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
Claude Sonnet 4.5 20250929: price per 1M tokens is unset in the catalog.
Kimi K3: $4.185 per 1M blended tokens.
Claude Sonnet 4.5 20250929: closed weights.
Kimi K3: open weights.
Science: As of Oct 14, 2026, Kimi K3 leads Claude Sonnet 4.5 20250929 in Science at #17 against #66.
Abstraction (ARC): As of Oct 14, 2026, Kimi K3 leads Claude Sonnet 4.5 20250929 in Abstraction (ARC) at #8 against #36.
Claude Sonnet 4.5 20250929 · Kimi K3
Claude Sonnet 4.5 20250929 or Kimi K3?
As of Oct 14, 2026, Claude Sonnet 4.5 20250929 leads Kimi K3 in 0 of 2 shared categories.
Claude Sonnet 4.5 20250929 or Kimi K3 for Science?
As of Oct 14, 2026, Kimi K3 leads Claude Sonnet 4.5 20250929 in Science at #17 against #66.
Claude Sonnet 4.5 20250929 or Kimi K3 for Abstraction (ARC)?
As of Oct 14, 2026, Kimi K3 leads Claude Sonnet 4.5 20250929 in Abstraction (ARC) at #8 against #36.