Claude 3.5 Sonnet vs Llama 3.1 405B Instruct
As of Oct 14, 2026, Claude 3.5 Sonnet leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
Claude 3.5 Sonnet
It used to be. Was SOTA in General LLM.
Llama 3.1 405B Instruct
It used to be. Was SOTA in General LLM.
| Category | Claude 3.5 Sonnet | Llama 3.1 405B Instruct |
|---|---|---|
| General LLM | #140 · Was SOTA · General LLM Margin 95.23809523809524 LMArena leaderboard dataset · Oct 13, 2026 | #3 · #3 in General LLM Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Reasoning | #136 · Was SOTA · Reasoning Margin 93.83561643835617 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Math | #43 · #43 in Math Margin 95.55555555555556 Epoch AI benchmarking hub · Oct 22, 2024 | — |
| Science | #119 · #119 in Science Margin — Epoch AI benchmarking hub · Oct 22, 2024 | #124 · #124 in Science Margin — Epoch AI benchmarking hub · Jul 23, 2024 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #126 · Was SOTA · Long context Margin 85.71428571428571 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | — |
Claude 3.5 Sonnet: price per 1M tokens is unset in the catalog.
Llama 3.1 405B Instruct: price per 1M tokens is unset in the catalog.
Claude 3.5 Sonnet: closed weights.
Llama 3.1 405B Instruct: open weights.
General LLM: As of Oct 14, 2026, Llama 3.1 405B Instruct leads Claude 3.5 Sonnet in General LLM at #3 against #140.
Science: As of Oct 14, 2026, Claude 3.5 Sonnet leads Llama 3.1 405B Instruct in Science at #119 against #124.
Claude 3.5 Sonnet · Llama 3.1 405B Instruct
Claude 3.5 Sonnet or Llama 3.1 405B Instruct?
As of Oct 14, 2026, Claude 3.5 Sonnet leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
Claude 3.5 Sonnet or Llama 3.1 405B Instruct for General LLM?
As of Oct 14, 2026, Llama 3.1 405B Instruct leads Claude 3.5 Sonnet in General LLM at #3 against #140.
Claude 3.5 Sonnet or Llama 3.1 405B Instruct for Science?
As of Oct 14, 2026, Claude 3.5 Sonnet leads Llama 3.1 405B Instruct in Science at #119 against #124.