GPT-5.6 Luna vs Llama 3.1 405B Instruct
As of Oct 14, 2026, GPT-5.6 Luna leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
GPT-5.6 Luna
#16 Best current rank: #16 in Coding, as of Oct 14, 2026.
Llama 3.1 405B Instruct
It used to be. Was SOTA in General LLM.
| Category | GPT-5.6 Luna | Llama 3.1 405B Instruct |
|---|---|---|
| General LLM | #53 · #53 in General LLM Margin 36.054421768707485 LMArena leaderboard dataset · Oct 13, 2026 | #3 · #3 in General LLM Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Reasoning | #55 · #55 in Reasoning Margin 38.35616438356164 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 | #25 · #25 in Science Margin — Epoch AI benchmarking hub · Jul 9, 2026 | #124 · #124 in Science Margin — Epoch AI benchmarking hub · Jul 23, 2024 |
| Coding | #16 · #16 in Coding Margin 77.27272727272728 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Agentic | #16 · #16 in Coding › Agentic Margin 77.27272727272728 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #43 · #43 in Coding › Web dev Margin 39.25233644859813 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #65 · #65 in Long context Margin 44.21768707482993 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Vision | #19 · #19 in Vision Margin 52.63157894736842 Epoch AI benchmarking hub · Jul 9, 2026 | — |
| Factuality | #35 · #35 in Factuality Margin 26.86567164179104 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Abstraction (ARC) | #19 · #19 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 9, 2026 | — |
GPT-5.6 Luna: $0.44999999999999996 per 1M blended tokens.
Llama 3.1 405B Instruct: price per 1M tokens is unset in the catalog.
GPT-5.6 Luna: 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 Luna in General LLM at #3 against #53.
Science: As of Oct 14, 2026, GPT-5.6 Luna leads Llama 3.1 405B Instruct in Science at #25 against #124.
GPT-5.6 Luna · Llama 3.1 405B Instruct
GPT-5.6 Luna or Llama 3.1 405B Instruct?
As of Oct 14, 2026, GPT-5.6 Luna leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
GPT-5.6 Luna or Llama 3.1 405B Instruct for General LLM?
As of Oct 14, 2026, Llama 3.1 405B Instruct leads GPT-5.6 Luna in General LLM at #3 against #53.
GPT-5.6 Luna or Llama 3.1 405B Instruct for Science?
As of Oct 14, 2026, GPT-5.6 Luna leads Llama 3.1 405B Instruct in Science at #25 against #124.