# GPT-6.1 Sol vs Llama 3.1 405B Instruct

As of Oct 15, 2026, GPT-6.1 Sol leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.

GPT-6.1 Sol: $4.000000000000001 per 1M blended tokens.

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

GPT-6.1 Sol: closed weights.

Llama 3.1 405B Instruct: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, Llama 3.1 405B Instruct leads GPT-6.1 Sol in General LLM at #5 against #18.
- Which to pick, Science: As of Oct 15, 2026, GPT-6.1 Sol leads Llama 3.1 405B Instruct in Science at #4 against #124.

As of Oct 15, 2026, GPT-6.1 Sol is tied for state of the art in Vision (since Sep 30, 2026; sources GDP.pdf; methodology v1.0).

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).