Gemini 3.8 Flash vs Llama 3.1 405B Instruct
As of Oct 14, 2026, Gemini 3.8 Flash leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
Gemini 3.8 Flash
Yes. Yes on General LLM (best per dollar); Reasoning (best per dollar). Not the overall leader.
Llama 3.1 405B Instruct
It used to be. Was SOTA in General LLM.
| Category | Gemini 3.8 Flash | Llama 3.1 405B Instruct |
|---|---|---|
| General LLM | #7 · Was SOTA · General LLM Margin 4.761904761904759 LMArena leaderboard dataset · Oct 13, 2026 | #3 · #3 in General LLM Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Reasoning | #6 · #6 in Reasoning Margin 4.794520547945211 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Math | #5 · #5 in Math Margin 8.888888888888886 Epoch AI benchmarking hub · Sep 2, 2026 | — |
| Science | #4 · #4 in Science Margin — Epoch AI benchmarking hub · Sep 2, 2026 | #124 · #124 in Science Margin — Epoch AI benchmarking hub · Jul 23, 2024 |
| Coding | #15 · #15 in Coding Margin 72.72727272727272 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Agentic | #15 · #15 in Coding › Agentic Margin 72.72727272727272 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #27 · #27 in Coding › Web dev Margin 24.29906542056075 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #5 · Near-SOTA · Long context Margin 3.401360544217681 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Vision | #15 · #15 in Vision Margin 42.10526315789474 Epoch AI benchmarking hub · Sep 2, 2026 | — |
| Factuality | #17 · #17 in Factuality Margin 13.43283582089552 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 2, 2026 | — |
Gemini 3.8 Flash: $1.5 per 1M blended tokens.
Llama 3.1 405B Instruct: price per 1M tokens is unset in the catalog.
Gemini 3.8 Flash: closed weights.
Llama 3.1 405B Instruct: open weights.
General LLM: As of Oct 14, 2026, Llama 3.1 405B Instruct leads Gemini 3.8 Flash in General LLM at #3 against #7.
Science: As of Oct 14, 2026, Gemini 3.8 Flash leads Llama 3.1 405B Instruct in Science at #4 against #124.
Gemini 3.8 Flash · Llama 3.1 405B Instruct
Gemini 3.8 Flash or Llama 3.1 405B Instruct?
As of Oct 14, 2026, Gemini 3.8 Flash leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
Gemini 3.8 Flash or Llama 3.1 405B Instruct for General LLM?
As of Oct 14, 2026, Llama 3.1 405B Instruct leads Gemini 3.8 Flash in General LLM at #3 against #7.
Gemini 3.8 Flash or Llama 3.1 405B Instruct for Science?
As of Oct 14, 2026, Gemini 3.8 Flash leads Llama 3.1 405B Instruct in Science at #4 against #124.