Claude 3 Opus vs Claude Sonnet 4.6
As of Oct 15, 2026, Claude 3 Opus leads Claude Sonnet 4.6 in 1 of 2 shared categories: General LLM.
Claude 3 Opus
#11 Best recorded rank: #11 in General LLM, as of Oct 15, 2026.
Claude Sonnet 4.6
It used to be. Was SOTA in Long context.
| Category | Claude 3 Opus | Claude Sonnet 4.6 |
|---|---|---|
| General LLM | #11 · #11 in General LLM Margin — LMArena leaderboard dataset · Sep 27, 2024 | #38 · #38 in General LLM Margin 20.212765957446805 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 7, 2024 | #20 · #20 in Reasoning Margin 11.170212765957444 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 | #50 · #50 in Science Margin — Epoch AI benchmarking hub · Feb 17, 2026 |
| Coding | — | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | — | #43 · #43 in Coding › Web dev Margin 33.599999999999994 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | — | #21 · Was SOTA · Long context Margin 11.170212765957444 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #23 · Was SOTA · Vision Margin 63.1578947368421 Epoch AI benchmarking hub · Feb 17, 2026 |
| Factuality | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 29, 2024 | #38 · #38 in Factuality Margin 22.674418604651166 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #23 · #23 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Feb 17, 2026 |
Claude 3 Opus: price per 1M tokens is unset in the catalog.
Claude Sonnet 4.6: $6 per 1M blended tokens.
Claude 3 Opus: closed weights.
Claude Sonnet 4.6: closed weights.
General LLM: As of Oct 15, 2026, Claude 3 Opus leads Claude Sonnet 4.6 in General LLM at #11 against #38.
Science: As of Oct 15, 2026, Claude Sonnet 4.6 leads Claude 3 Opus in Science at #50 against #138.
Claude 3 Opus · Claude Sonnet 4.6
Claude 3 Opus or Claude Sonnet 4.6?
As of Oct 15, 2026, Claude 3 Opus leads Claude Sonnet 4.6 in 1 of 2 shared categories: General LLM.
Claude 3 Opus or Claude Sonnet 4.6 for General LLM?
As of Oct 15, 2026, Claude 3 Opus leads Claude Sonnet 4.6 in General LLM at #11 against #38.
Claude 3 Opus or Claude Sonnet 4.6 for Science?
As of Oct 15, 2026, Claude Sonnet 4.6 leads Claude 3 Opus in Science at #50 against #138.