Claude 3 Opus vs Claude Haiku 4.5
As of Oct 14, 2026, Claude 3 Opus leads Claude Haiku 4.5 in 1 of 2 shared categories: General LLM.
Claude 3 Opus
#9 Best recorded rank: #9 in General LLM, as of Oct 14, 2026.
Claude Haiku 4.5
#78 Best recorded rank: #78 in Abstraction (ARC), as of Oct 14, 2026.
| Category | Claude 3 Opus | Claude Haiku 4.5 |
|---|---|---|
| General LLM | #9 · #9 in General LLM Margin — LMArena leaderboard dataset · Sep 27, 2024 | #104 · #104 in General LLM Margin 70.74829931972789 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 7, 2024 | #91 · #91 in Reasoning Margin 63.013698630136986 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | — | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #138 · #138 in Science Margin — Epoch AI benchmarking hub · Feb 29, 2024 | #109 · #109 in Science Margin — Epoch AI benchmarking hub · Oct 15, 2025 |
| 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 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | — |
| Factuality | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 29, 2024 | #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 3 Opus: price per 1M tokens is unset in the catalog.
Claude Haiku 4.5: $2.0000000000000004 per 1M blended tokens.
Claude 3 Opus: closed weights.
Claude Haiku 4.5: closed weights.
General LLM: As of Oct 14, 2026, Claude 3 Opus leads Claude Haiku 4.5 in General LLM at #9 against #104.
Science: As of Oct 14, 2026, Claude Haiku 4.5 leads Claude 3 Opus in Science at #109 against #138.
Claude 3 Opus · Claude Haiku 4.5
Claude 3 Opus or Claude Haiku 4.5?
As of Oct 14, 2026, Claude 3 Opus leads Claude Haiku 4.5 in 1 of 2 shared categories: General LLM.
Claude 3 Opus or Claude Haiku 4.5 for General LLM?
As of Oct 14, 2026, Claude 3 Opus leads Claude Haiku 4.5 in General LLM at #9 against #104.
Claude 3 Opus or Claude Haiku 4.5 for Science?
As of Oct 14, 2026, Claude Haiku 4.5 leads Claude 3 Opus in Science at #109 against #138.