Llama 3.1 405B Instruct vs Qwen3 6 Plus
As of Oct 15, 2026, Llama 3.1 405B Instruct leads Qwen3 6 Plus in 1 of 2 shared categories: General LLM.
Llama 3.1 405B Instruct
It used to be. Was SOTA in General LLM.
Qwen3 6 Plus
#43 Best recorded rank: #43 in Science, as of Oct 15, 2026.
| Category | Llama 3.1 405B Instruct | Qwen3 6 Plus |
|---|---|---|
| General LLM | #5 · #5 in General LLM Margin — LMArena leaderboard dataset · Sep 4, 2024 | #81 · #81 in General LLM Margin 43.08510638297872 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #— · Not enough data Margin — LMArena leaderboard dataset · Sep 4, 2024 | #75 · #75 in Reasoning Margin 40.42553191489362 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | — | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #124 · #124 in Science Margin — Epoch AI benchmarking hub · Jul 23, 2024 | #43 · #43 in Science Margin — Epoch AI benchmarking hub · Mar 31, 2026 |
| Coding | — | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | — | #61 · #61 in Coding › Web dev Margin 48 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | — | #73 · #73 in Long context Margin 38.829787234042556 LMArena leaderboard dataset · Oct 13, 2026 |
| Factuality | — | #87 · #87 in Factuality Margin 51.16279069767442 LMArena leaderboard dataset · Oct 13, 2026 |
Llama 3.1 405B Instruct: price per 1M tokens is unset in the catalog.
Qwen3 6 Plus: $0.73125 per 1M blended tokens.
Llama 3.1 405B Instruct: open weights.
Qwen3 6 Plus: closed weights.
General LLM: As of Oct 15, 2026, Llama 3.1 405B Instruct leads Qwen3 6 Plus in General LLM at #5 against #81.
Science: As of Oct 15, 2026, Qwen3 6 Plus leads Llama 3.1 405B Instruct in Science at #43 against #124.
Llama 3.1 405B Instruct · Qwen3 6 Plus
Llama 3.1 405B Instruct or Qwen3 6 Plus?
As of Oct 15, 2026, Llama 3.1 405B Instruct leads Qwen3 6 Plus in 1 of 2 shared categories: General LLM.
Llama 3.1 405B Instruct or Qwen3 6 Plus for General LLM?
As of Oct 15, 2026, Llama 3.1 405B Instruct leads Qwen3 6 Plus in General LLM at #5 against #81.
Llama 3.1 405B Instruct or Qwen3 6 Plus for Science?
As of Oct 15, 2026, Qwen3 6 Plus leads Llama 3.1 405B Instruct in Science at #43 against #124.