Gemini 3.5 Flash vs Llama 3.1 405B Instruct
As of Oct 15, 2026, Gemini 3.5 Flash leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
Gemini 3.5 Flash
#12 Best recorded rank: #12 in Abstraction (ARC), as of Oct 15, 2026.
Llama 3.1 405B Instruct
It used to be. Was SOTA in General LLM.
| Category | Gemini 3.5 Flash | Llama 3.1 405B Instruct |
|---|---|---|
| General LLM | #25 · #25 in General LLM Margin 13.297872340425528 LMArena leaderboard dataset · Oct 13, 2026 | #5 · #5 in General LLM Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Reasoning | #35 · #35 in Reasoning Margin 19.148936170212764 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 | #18 · #18 in Science Margin — Epoch AI benchmarking hub · May 19, 2026 | #124 · #124 in Science Margin — Epoch AI benchmarking hub · Jul 23, 2024 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | — |
| Coding › Web dev | #52 · #52 in Coding › Web dev Margin 40.8 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #33 · #33 in Long context Margin 17.55319148936171 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Vision | #29 · #29 in Vision Margin 86.84210526315789 Epoch AI benchmarking hub · May 19, 2026 | — |
| Factuality | #14 · #14 in Factuality Margin 8.720930232558146 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Abstraction (ARC) | #12 · #12 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · May 19, 2026 | — |
Gemini 3.5 Flash: $3.375 per 1M blended tokens.
Llama 3.1 405B Instruct: price per 1M tokens is unset in the catalog.
Gemini 3.5 Flash: closed weights.
Llama 3.1 405B Instruct: open weights.
General LLM: As of Oct 15, 2026, Llama 3.1 405B Instruct leads Gemini 3.5 Flash in General LLM at #5 against #25.
Science: As of Oct 15, 2026, Gemini 3.5 Flash leads Llama 3.1 405B Instruct in Science at #18 against #124.
Gemini 3.5 Flash · Llama 3.1 405B Instruct
Gemini 3.5 Flash or Llama 3.1 405B Instruct?
As of Oct 15, 2026, Gemini 3.5 Flash leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
Gemini 3.5 Flash or Llama 3.1 405B Instruct for General LLM?
As of Oct 15, 2026, Llama 3.1 405B Instruct leads Gemini 3.5 Flash in General LLM at #5 against #25.
Gemini 3.5 Flash or Llama 3.1 405B Instruct for Science?
As of Oct 15, 2026, Gemini 3.5 Flash leads Llama 3.1 405B Instruct in Science at #18 against #124.