Claude 3.5 Sonnet vs Kimi K3
As of Oct 14, 2026, Claude 3.5 Sonnet leads Kimi K3 in 0 of 4 shared categories.
Claude 3.5 Sonnet
It used to be. Was SOTA in General LLM.
Kimi K3
Yes. Yes on General LLM (open weights); Reasoning (open weights). Not the overall leader.
| Category | Claude 3.5 Sonnet | Kimi K3 |
|---|---|---|
| General LLM | #140 · Was SOTA · General LLM Margin 95.23809523809524 LMArena leaderboard dataset · Oct 13, 2026 | #13 · #13 in General LLM Margin 8.84353741496598 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #136 · Was SOTA · Reasoning Margin 93.83561643835617 LMArena leaderboard dataset · Oct 13, 2026 | #7 · #7 in Reasoning Margin 5.479452054794521 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #43 · #43 in Math Margin 95.55555555555556 Epoch AI benchmarking hub · Oct 22, 2024 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #119 · #119 in Science Margin — Epoch AI benchmarking hub · Oct 22, 2024 | #17 · #17 in Science Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · 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 | #126 · Was SOTA · Long context Margin 85.71428571428571 LMArena leaderboard dataset · Oct 13, 2026 | #8 · Was SOTA · Long context Margin 5.442176870748298 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #22 · #22 in Vision Margin 60.526315789473685 Epoch AI benchmarking hub · Jul 16, 2026 |
| Factuality | — | #19 · #19 in Factuality Margin 14.925373134328368 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
Claude 3.5 Sonnet: price per 1M tokens is unset in the catalog.
Kimi K3: $4.125 per 1M blended tokens.
Claude 3.5 Sonnet: closed weights.
Kimi K3: open weights.
General LLM: As of Oct 14, 2026, Kimi K3 leads Claude 3.5 Sonnet in General LLM at #13 against #140.
Reasoning: As of Oct 14, 2026, Kimi K3 leads Claude 3.5 Sonnet in Reasoning at #7 against #136.
Science: As of Oct 14, 2026, Kimi K3 leads Claude 3.5 Sonnet in Science at #17 against #119.
Long context: As of Oct 14, 2026, Kimi K3 leads Claude 3.5 Sonnet in Long context at #8 against #126.
Claude 3.5 Sonnet or Kimi K3?
As of Oct 14, 2026, Claude 3.5 Sonnet leads Kimi K3 in 0 of 4 shared categories.
Claude 3.5 Sonnet or Kimi K3 for General LLM?
As of Oct 14, 2026, Kimi K3 leads Claude 3.5 Sonnet in General LLM at #13 against #140.
Claude 3.5 Sonnet or Kimi K3 for Reasoning?
As of Oct 14, 2026, Kimi K3 leads Claude 3.5 Sonnet in Reasoning at #7 against #136.
Claude 3.5 Sonnet or Kimi K3 for Science?
As of Oct 14, 2026, Kimi K3 leads Claude 3.5 Sonnet in Science at #17 against #119.