Claude Haiku 4.5 vs Llama 3.1 405B Instruct
As of Oct 15, 2026, Claude Haiku 4.5 leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
Claude Haiku 4.5
#78 Best recorded rank: #78 in Abstraction (ARC), as of Oct 15, 2026.
Llama 3.1 405B Instruct
It used to be. Was SOTA in General LLM.
| Category | Claude Haiku 4.5 | Llama 3.1 405B Instruct |
|---|---|---|
| General LLM | #104 · #104 in General LLM Margin 70.74829931972789 LMArena leaderboard dataset · Oct 13, 2026 | #3 · #3 in General LLM Margin — LMArena leaderboard dataset · Sep 4, 2024 |
| Reasoning | #91 · #91 in Reasoning Margin 63.013698630136986 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 | #109 · #109 in Science Margin — Epoch AI benchmarking hub · Oct 15, 2025 | #124 · #124 in Science Margin — Epoch AI benchmarking hub · Jul 23, 2024 |
| Coding | #— · Not enough data Margin — Scale Labs leaderboards · Oct 14, 2026 | — |
| Coding › Web dev | #92 · #92 in Coding › Web dev Margin 85.04672897196262 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #84 · #84 in Long context Margin 57.142857142857146 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Factuality | #97 · #97 in Factuality Margin 73.13432835820896 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Abstraction (ARC) | #78 · #78 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Oct 15, 2025 | — |
Claude Haiku 4.5: $2.0000000000000004 per 1M blended tokens.
Llama 3.1 405B Instruct: price per 1M tokens is unset in the catalog.
Claude Haiku 4.5: closed weights.
Llama 3.1 405B Instruct: open weights.
General LLM: As of Oct 15, 2026, Llama 3.1 405B Instruct leads Claude Haiku 4.5 in General LLM at #3 against #104.
Science: As of Oct 15, 2026, Claude Haiku 4.5 leads Llama 3.1 405B Instruct in Science at #109 against #124.
Claude Haiku 4.5 · Llama 3.1 405B Instruct
Claude Haiku 4.5 or Llama 3.1 405B Instruct?
As of Oct 15, 2026, Claude Haiku 4.5 leads Llama 3.1 405B Instruct in 1 of 2 shared categories: Science.
Claude Haiku 4.5 or Llama 3.1 405B Instruct for General LLM?
As of Oct 15, 2026, Llama 3.1 405B Instruct leads Claude Haiku 4.5 in General LLM at #3 against #104.
Claude Haiku 4.5 or Llama 3.1 405B Instruct for Science?
As of Oct 15, 2026, Claude Haiku 4.5 leads Llama 3.1 405B Instruct in Science at #109 against #124.