# Llama 3.1 405B Instruct vs Qwen3 5 Flash

As of Oct 15, 2026, Llama 3.1 405B Instruct leads Qwen3 5 Flash in 1 of 2 shared categories: General LLM.

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

Qwen3 5 Flash: price per 1M tokens is unset in the catalog.

Llama 3.1 405B Instruct: open weights.

Qwen3 5 Flash: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Llama 3.1 405B Instruct leads Qwen3 5 Flash in General LLM at #5 against #154.
- Which to pick, Science: As of Oct 15, 2026, Qwen3 5 Flash leads Llama 3.1 405B Instruct in Science at #66 against #124.

As of Oct 15, 2026, Llama 3.1 405B Instruct is a former state-of-the-art holder in General LLM (since Aug 28, 2024; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Oct 15, 2026, Qwen3 5 Flash is ranked #66 in Science (since Oct 15, 2026; sources GPQA Diamond; methodology v1.0).