GPT-5.4 vs Llama 3.1 405B Instruct
As of Oct 14, 2026, GPT-5.4 leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
GPT-5.4
It used to be. Was SOTA in General LLM.
Llama 3.1 405B Instruct
It used to be. Was SOTA in General LLM.
| Category | GPT-5.4 | Llama 3.1 405B Instruct |
|---|---|---|
| General LLM | #28 · Was SOTA · General LLM Margin 19.04761904761905 LMArena leaderboard dataset · Oct 13, 2026 | #3 · #3 in General LLM Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Reasoning | #29 · #29 in Reasoning Margin 20.54794520547945 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Math | #9 · #9 in Math Margin 17.777777777777757 Epoch AI benchmarking hub · Mar 5, 2026 | — |
| Science | #16 · #16 in Science Margin — Epoch AI benchmarking hub · Mar 5, 2026 | #124 · #124 in Science Margin — Epoch AI benchmarking hub · Jul 23, 2024 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Mar 5, 2026 | — |
| Coding › Web dev | #55 · #55 in Coding › Web dev Margin 50.467289719626166 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #34 · #34 in Long context Margin 23.12925170068027 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | — |
| Factuality | #6 · Was SOTA · Factuality Margin 5.22388059701494 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Abstraction (ARC) | #10 · #10 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Mar 5, 2026 | — |
GPT-5.4: $5.625 per 1M blended tokens.
Llama 3.1 405B Instruct: price per 1M tokens is unset in the catalog.
GPT-5.4: closed weights.
Llama 3.1 405B Instruct: open weights.
General LLM: As of Oct 14, 2026, Llama 3.1 405B Instruct leads GPT-5.4 in General LLM at #3 against #28.
Science: As of Oct 14, 2026, GPT-5.4 leads Llama 3.1 405B Instruct in Science at #16 against #124.
GPT-5.4 · Llama 3.1 405B Instruct
GPT-5.4 or Llama 3.1 405B Instruct?
As of Oct 14, 2026, GPT-5.4 leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
GPT-5.4 or Llama 3.1 405B Instruct for General LLM?
As of Oct 14, 2026, Llama 3.1 405B Instruct leads GPT-5.4 in General LLM at #3 against #28.
GPT-5.4 or Llama 3.1 405B Instruct for Science?
As of Oct 14, 2026, GPT-5.4 leads Llama 3.1 405B Instruct in Science at #16 against #124.