Kimi K3 vs Llama 3.1 405B Instruct
As of Oct 15, 2026, Kimi K3 leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
Kimi K3
Yes. Yes on General LLM (open weights); Reasoning (open weights). Not the overall leader.
Llama 3.1 405B Instruct
It used to be. Was SOTA in General LLM.
| Category | Kimi K3 | Llama 3.1 405B Instruct |
|---|---|---|
| General LLM | #13 · #13 in General LLM Margin 8.84353741496598 LMArena leaderboard dataset · Oct 13, 2026 | #3 · #3 in General LLM Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Reasoning | #7 · #7 in Reasoning Margin 5.479452054794521 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | — |
| Science | #17 · #17 in Science Margin — Epoch AI benchmarking hub · Jul 16, 2026 | #124 · #124 in Science Margin — Epoch AI benchmarking hub · Jul 23, 2024 |
| 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 | #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 | — |
Kimi K3: $4.109999999999999 per 1M blended tokens.
Llama 3.1 405B Instruct: price per 1M tokens is unset in the catalog.
Kimi K3: open weights.
Llama 3.1 405B Instruct: open weights.
General LLM: As of Oct 15, 2026, Llama 3.1 405B Instruct leads Kimi K3 in General LLM at #3 against #13.
Science: As of Oct 15, 2026, Kimi K3 leads Llama 3.1 405B Instruct in Science at #17 against #124.
Kimi K3 · Llama 3.1 405B Instruct
Kimi K3 or Llama 3.1 405B Instruct?
As of Oct 15, 2026, Kimi K3 leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
Kimi K3 or Llama 3.1 405B Instruct for General LLM?
As of Oct 15, 2026, Llama 3.1 405B Instruct leads Kimi K3 in General LLM at #3 against #13.
Kimi K3 or Llama 3.1 405B Instruct for Science?
As of Oct 15, 2026, Kimi K3 leads Llama 3.1 405B Instruct in Science at #17 against #124.