GPT-5.2 vs Llama 3.1 405B Instruct
As of Oct 14, 2026, GPT-5.2 leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
GPT-5.2
#14 Best current rank: #14 in Math, as of Oct 14, 2026.
Llama 3.1 405B Instruct
It used to be. Was SOTA in General LLM.
| Category | GPT-5.2 | Llama 3.1 405B Instruct |
|---|---|---|
| General LLM | #74 · #74 in General LLM Margin 50.34013605442177 LMArena leaderboard dataset · Oct 13, 2026 | #3 · #3 in General LLM Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Reasoning | #70 · #70 in Reasoning Margin 48.63013698630137 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Math | #14 · #14 in Math Margin 28.888888888888886 Epoch AI benchmarking hub · Dec 11, 2025 | — |
| Science | #26 · #26 in Science Margin — Epoch AI benchmarking hub · Dec 11, 2025 | #124 · #124 in Science Margin — Epoch AI benchmarking hub · Jul 23, 2024 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Dec 11, 2025 | — |
| Coding › Web dev | #67 · #67 in Coding › Web dev Margin 61.6822429906542 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #80 · #80 in Long context Margin 54.42176870748299 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | — |
| Factuality | #65 · #65 in Factuality Margin 49.25373134328358 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Abstraction (ARC) | #24 · #24 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Dec 11, 2025 | — |
GPT-5.2: $4.8125 per 1M blended tokens.
Llama 3.1 405B Instruct: price per 1M tokens is unset in the catalog.
GPT-5.2: closed weights.
Llama 3.1 405B Instruct: open weights.
General LLM: As of Oct 14, 2026, Llama 3.1 405B Instruct leads GPT-5.2 in General LLM at #3 against #74.
Science: As of Oct 14, 2026, GPT-5.2 leads Llama 3.1 405B Instruct in Science at #26 against #124.
GPT-5.2 · Llama 3.1 405B Instruct
GPT-5.2 or Llama 3.1 405B Instruct?
As of Oct 14, 2026, GPT-5.2 leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
GPT-5.2 or Llama 3.1 405B Instruct for General LLM?
As of Oct 14, 2026, Llama 3.1 405B Instruct leads GPT-5.2 in General LLM at #3 against #74.
GPT-5.2 or Llama 3.1 405B Instruct for Science?
As of Oct 14, 2026, GPT-5.2 leads Llama 3.1 405B Instruct in Science at #26 against #124.