Claude Sonnet 4.6 vs Llama 3.1 405B Instruct
As of Oct 14, 2026, Claude Sonnet 4.6 leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
Claude Sonnet 4.6
It used to be. Was SOTA in Long context.
Llama 3.1 405B Instruct
It used to be. Was SOTA in General LLM.
| Category | Claude Sonnet 4.6 | Llama 3.1 405B Instruct |
|---|---|---|
| General LLM | #32 · #32 in General LLM Margin 21.768707482993193 LMArena leaderboard dataset · Oct 13, 2026 | #3 · #3 in General LLM Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Reasoning | #20 · #20 in Reasoning Margin 14.38356164383562 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 | #50 · #50 in Science Margin — Epoch AI benchmarking hub · Feb 17, 2026 | #124 · #124 in Science Margin — Epoch AI benchmarking hub · Jul 23, 2024 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 17, 2026 | — |
| Coding › Web dev | #41 · #41 in Coding › Web dev Margin 37.38317757009346 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #20 · Was SOTA · Long context Margin 13.605442176870753 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Vision | #23 · Was SOTA · Vision Margin 63.1578947368421 Epoch AI benchmarking hub · Feb 17, 2026 | — |
| Factuality | #34 · #34 in Factuality Margin 26.11940298507463 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Abstraction (ARC) | #23 · #23 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Feb 17, 2026 | — |
Claude Sonnet 4.6: $6 per 1M blended tokens.
Llama 3.1 405B Instruct: price per 1M tokens is unset in the catalog.
Claude Sonnet 4.6: closed weights.
Llama 3.1 405B Instruct: open weights.
General LLM: As of Oct 14, 2026, Llama 3.1 405B Instruct leads Claude Sonnet 4.6 in General LLM at #3 against #32.
Science: As of Oct 14, 2026, Claude Sonnet 4.6 leads Llama 3.1 405B Instruct in Science at #50 against #124.
Claude Sonnet 4.6 · Llama 3.1 405B Instruct
Claude Sonnet 4.6 or Llama 3.1 405B Instruct?
As of Oct 14, 2026, Claude Sonnet 4.6 leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
Claude Sonnet 4.6 or Llama 3.1 405B Instruct for General LLM?
As of Oct 14, 2026, Llama 3.1 405B Instruct leads Claude Sonnet 4.6 in General LLM at #3 against #32.
Claude Sonnet 4.6 or Llama 3.1 405B Instruct for Science?
As of Oct 14, 2026, Claude Sonnet 4.6 leads Llama 3.1 405B Instruct in Science at #50 against #124.