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Compare · 2026-10-15

Kimi K2 6 vs Llama 3.1 405B Instruct

As of Oct 15, 2026, Kimi K2 6 leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.

CategoryKimi K2 6Llama 3.1 405B Instruct
General LLM
#51 · #51 in General LLM
Margin 27.127659574468083
LMArena leaderboard dataset · Oct 13, 2026
#5 · #5 in General LLM
Margin —
LMArena leaderboard dataset · Sep 4, 2024
Reasoning
#48 · #48 in Reasoning
Margin 26.06382978723404
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
#29 · #29 in Science
Margin —
Epoch AI benchmarking hub · Apr 20, 2026
#124 · #124 in Science
Margin —
Epoch AI benchmarking hub · Jul 23, 2024
Coding
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
—
Coding › Web dev
#49 · #49 in Coding › Web dev
Margin 38.4
LMArena leaderboard dataset · Oct 13, 2026
—
Long context
#43 · #43 in Long context
Margin 22.872340425531917
LMArena leaderboard dataset · Oct 13, 2026
—
Vision
#30 · #30 in Vision
Margin 89.47368421052632
Epoch AI benchmarking hub · Apr 20, 2026
—
Factuality
#46 · #46 in Factuality
Margin 27.325581395348834
LMArena leaderboard dataset · Oct 13, 2026
—
Price per 1M tokens

Kimi K2 6: $1.3399999999999999 per 1M blended tokens.

Llama 3.1 405B Instruct: price per 1M tokens is unset in the catalog.

Open weights

Kimi K2 6: open weights.

Llama 3.1 405B Instruct: open weights.

Which to pick

General LLM: As of Oct 15, 2026, Llama 3.1 405B Instruct leads Kimi K2 6 in General LLM at #5 against #51.

Science: As of Oct 15, 2026, Kimi K2 6 leads Llama 3.1 405B Instruct in Science at #29 against #124.

Kimi K2 6 · Llama 3.1 405B Instruct

Kimi K2 6 or Llama 3.1 405B Instruct?

As of Oct 15, 2026, Kimi K2 6 leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.

Kimi K2 6 or Llama 3.1 405B Instruct for General LLM?

As of Oct 15, 2026, Llama 3.1 405B Instruct leads Kimi K2 6 in General LLM at #5 against #51.

Kimi K2 6 or Llama 3.1 405B Instruct for Science?

As of Oct 15, 2026, Kimi K2 6 leads Llama 3.1 405B Instruct in Science at #29 against #124.