Compare · 2026-10-14

DeepSeek V4 Pro vs Llama 3.1 405B Instruct

As of Oct 14, 2026, DeepSeek V4 Pro leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.

CategoryDeepSeek V4 ProLlama 3.1 405B Instruct
General LLM
#44 · #44 in General LLM
Margin 29.931972789115648
LMArena leaderboard dataset · Oct 13, 2026
#3 · #3 in General LLM
Margin —
LMArena leaderboard dataset · Sep 4, 2024
Reasoning
#45 · #45 in Reasoning
Margin 31.506849315068493
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
#28 · #28 in Science
Margin —
Epoch AI benchmarking hub · Apr 24, 2026
#124 · #124 in Science
Margin —
Epoch AI benchmarking hub · Jul 23, 2024
Coding
#— · Not enough data
Margin —
Epoch AI benchmarking hub · Apr 24, 2026
—
Coding › Web dev
#57 · #57 in Coding › Web dev
Margin 52.33644859813084
LMArena leaderboard dataset · Oct 13, 2026
—
Long context
#43 · #43 in Long context
Margin 29.25170068027211
LMArena leaderboard dataset · Oct 13, 2026
—
Factuality
#41 · #41 in Factuality
Margin 31.343283582089555
LMArena leaderboard dataset · Oct 13, 2026
—
Price per 1M tokens

DeepSeek V4 Pro: $0.4604475 per 1M blended tokens.

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

Open weights

DeepSeek V4 Pro: open weights.

Llama 3.1 405B Instruct: open weights.

Which to pick

General LLM: As of Oct 14, 2026, Llama 3.1 405B Instruct leads DeepSeek V4 Pro in General LLM at #3 against #44.

Science: As of Oct 14, 2026, DeepSeek V4 Pro leads Llama 3.1 405B Instruct in Science at #28 against #124.

DeepSeek V4 Pro · Llama 3.1 405B Instruct

DeepSeek V4 Pro or Llama 3.1 405B Instruct?

As of Oct 14, 2026, DeepSeek V4 Pro leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.

DeepSeek V4 Pro or Llama 3.1 405B Instruct for General LLM?

As of Oct 14, 2026, Llama 3.1 405B Instruct leads DeepSeek V4 Pro in General LLM at #3 against #44.

DeepSeek V4 Pro or Llama 3.1 405B Instruct for Science?

As of Oct 14, 2026, DeepSeek V4 Pro leads Llama 3.1 405B Instruct in Science at #28 against #124.