GPT-5.6 Terra vs Llama 3.1 405B Instruct
As of Oct 14, 2026, GPT-5.6 Terra leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
GPT-5.6 Terra
#4 Best recorded rank: #4 in Abstraction (ARC), as of Oct 14, 2026.
Llama 3.1 405B Instruct
It used to be. Was SOTA in General LLM.
| Category | GPT-5.6 Terra | Llama 3.1 405B Instruct |
|---|---|---|
| General LLM | #35 · #35 in General LLM Margin 23.80952380952381 LMArena leaderboard dataset · Oct 13, 2026 | #3 · #3 in General LLM Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Reasoning | #35 · #35 in Reasoning Margin 24.657534246575338 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | — |
| Science | #15 · #15 in Science Margin — Epoch AI benchmarking hub · Jul 9, 2026 | #124 · #124 in Science Margin — Epoch AI benchmarking hub · Jul 23, 2024 |
| Coding | #13 · #13 in Coding Margin 63.63636363636363 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Agentic | #13 · #13 in Coding › Agentic Margin 63.63636363636363 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #42 · #42 in Coding › Web dev Margin 38.3177570093458 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #46 · #46 in Long context Margin 31.292517006802726 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Vision | #11 · #11 in Vision Margin 31.578947368421055 Epoch AI benchmarking hub · Jul 9, 2026 | — |
| Factuality | #24 · #24 in Factuality Margin 18.656716417910445 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Abstraction (ARC) | #4 · #4 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 9, 2026 | — |
GPT-5.6 Terra: $4.5 per 1M blended tokens.
Llama 3.1 405B Instruct: price per 1M tokens is unset in the catalog.
GPT-5.6 Terra: closed weights.
Llama 3.1 405B Instruct: open weights.
General LLM: As of Oct 14, 2026, Llama 3.1 405B Instruct leads GPT-5.6 Terra in General LLM at #3 against #35.
Science: As of Oct 14, 2026, GPT-5.6 Terra leads Llama 3.1 405B Instruct in Science at #15 against #124.
GPT-5.6 Terra · Llama 3.1 405B Instruct
GPT-5.6 Terra or Llama 3.1 405B Instruct?
As of Oct 14, 2026, GPT-5.6 Terra leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
GPT-5.6 Terra or Llama 3.1 405B Instruct for General LLM?
As of Oct 14, 2026, Llama 3.1 405B Instruct leads GPT-5.6 Terra in General LLM at #3 against #35.
GPT-5.6 Terra or Llama 3.1 405B Instruct for Science?
As of Oct 14, 2026, GPT-5.6 Terra leads Llama 3.1 405B Instruct in Science at #15 against #124.