Claude 3 Opus vs Llama 3.1 405B Instruct
As of Oct 14, 2026, Claude 3 Opus leads Llama 3.1 405B Instruct in 0 of 2 shared categories.
Claude 3 Opus
#9 Best recorded rank: #9 in General LLM, as of Oct 14, 2026.
Llama 3.1 405B Instruct
It used to be. Was SOTA in General LLM.
| Category | Claude 3 Opus | Llama 3.1 405B Instruct |
|---|---|---|
| General LLM | #9 · #9 in General LLM Margin — LMArena leaderboard dataset · Sep 27, 2024 | #3 · #3 in General LLM Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Reasoning | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 7, 2024 | #— · Not enough data Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Science | #138 · #138 in Science Margin — Epoch AI benchmarking hub · Feb 29, 2024 | #124 · #124 in Science Margin — Epoch AI benchmarking hub · Jul 23, 2024 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | — |
| Factuality | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 29, 2024 | — |
Claude 3 Opus: 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 Opus: closed weights.
Llama 3.1 405B Instruct: open weights.
General LLM: As of Oct 14, 2026, Llama 3.1 405B Instruct leads Claude 3 Opus in General LLM at #3 against #9.
Science: As of Oct 14, 2026, Llama 3.1 405B Instruct leads Claude 3 Opus in Science at #124 against #138.
Claude 3 Opus · Llama 3.1 405B Instruct
Claude 3 Opus or Llama 3.1 405B Instruct?
As of Oct 14, 2026, Claude 3 Opus leads Llama 3.1 405B Instruct in 0 of 2 shared categories.
Claude 3 Opus or Llama 3.1 405B Instruct for General LLM?
As of Oct 14, 2026, Llama 3.1 405B Instruct leads Claude 3 Opus in General LLM at #3 against #9.
Claude 3 Opus or Llama 3.1 405B Instruct for Science?
As of Oct 14, 2026, Llama 3.1 405B Instruct leads Claude 3 Opus in Science at #124 against #138.