GPT-4.1 vs Llama 3.1 405B Instruct
As of Oct 14, 2026, GPT-4.1 leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
GPT-4.1
It used to be. Was SOTA in Long context.
Llama 3.1 405B Instruct
It used to be. Was SOTA in General LLM.
| Category | GPT-4.1 | Llama 3.1 405B Instruct |
|---|---|---|
| General LLM | #101 · #101 in General LLM Margin 68.70748299319727 LMArena leaderboard dataset · Oct 13, 2026 | #3 · #3 in General LLM Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Reasoning | #102 · #102 in Reasoning Margin 70.54794520547945 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Math | #39 · #39 in Math Margin 86.66666666666667 Epoch AI benchmarking hub · Apr 14, 2025 | — |
| Science | #96 · #96 in Science Margin — Epoch AI benchmarking hub · Apr 14, 2025 | #124 · #124 in Science Margin — Epoch AI benchmarking hub · Jul 23, 2024 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Apr 14, 2025 | — |
| Long context | #95 · Was SOTA · Long context Margin 64.62585034013605 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | — |
| Factuality | #103 · #103 in Factuality Margin 77.61194029850746 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Abstraction (ARC) | #85 · #85 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 14, 2025 | — |
GPT-4.1: $3.5 per 1M blended tokens.
Llama 3.1 405B Instruct: price per 1M tokens is unset in the catalog.
GPT-4.1: closed weights.
Llama 3.1 405B Instruct: open weights.
General LLM: As of Oct 14, 2026, Llama 3.1 405B Instruct leads GPT-4.1 in General LLM at #3 against #101.
Science: As of Oct 14, 2026, GPT-4.1 leads Llama 3.1 405B Instruct in Science at #96 against #124.
GPT-4.1 · Llama 3.1 405B Instruct
GPT-4.1 or Llama 3.1 405B Instruct?
As of Oct 14, 2026, GPT-4.1 leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
GPT-4.1 or Llama 3.1 405B Instruct for General LLM?
As of Oct 14, 2026, Llama 3.1 405B Instruct leads GPT-4.1 in General LLM at #3 against #101.
GPT-4.1 or Llama 3.1 405B Instruct for Science?
As of Oct 14, 2026, GPT-4.1 leads Llama 3.1 405B Instruct in Science at #96 against #124.