Claude 3 Opus vs Claude Opus 4.6
As of Oct 14, 2026, Claude 3 Opus leads Claude Opus 4.6 in 0 of 2 shared categories.
Claude 3 Opus
#9 Best recorded rank: #9 in General LLM, as of Oct 14, 2026.
Claude Opus 4.6
Close. Near-SOTA in Reasoning, rank #2.
| Category | Claude 3 Opus | Claude Opus 4.6 |
|---|---|---|
| General LLM | #9 · #9 in General LLM Margin — LMArena leaderboard dataset · Sep 27, 2024 | #4 · Near-SOTA · General LLM Margin 2.7210884353741562 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 7, 2024 | #2 · Near-SOTA · Reasoning Margin 2.0547945205479436 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | — | #11 · #11 in Math Margin 22.22222222222223 Epoch AI benchmarking hub · Feb 5, 2026 |
| Science | #138 · #138 in Science Margin — Epoch AI benchmarking hub · Feb 29, 2024 | #32 · #32 in Science Margin — Epoch AI benchmarking hub · Feb 5, 2026 |
| Coding | — | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 5, 2026 |
| Coding › Web dev | — | #35 · Was SOTA · Coding › Web dev Margin 31.775700934579433 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | — | #2 · Near-SOTA · Long context Margin 0.6802721088435391 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 29, 2024 | #3 · Near-SOTA · Factuality Margin 2.9850746268656536 LMArena leaderboard dataset · Oct 13, 2026 |
Claude 3 Opus: price per 1M tokens is unset in the catalog.
Claude Opus 4.6: $10 per 1M blended tokens.
Claude 3 Opus: closed weights.
Claude Opus 4.6: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.6 leads Claude 3 Opus in General LLM at #4 against #9.
Science: As of Oct 14, 2026, Claude Opus 4.6 leads Claude 3 Opus in Science at #32 against #138.
Claude 3 Opus · Claude Opus 4.6
Claude 3 Opus or Claude Opus 4.6?
As of Oct 14, 2026, Claude 3 Opus leads Claude Opus 4.6 in 0 of 2 shared categories.
Claude 3 Opus or Claude Opus 4.6 for General LLM?
As of Oct 14, 2026, Claude Opus 4.6 leads Claude 3 Opus in General LLM at #4 against #9.
Claude 3 Opus or Claude Opus 4.6 for Science?
As of Oct 14, 2026, Claude Opus 4.6 leads Claude 3 Opus in Science at #32 against #138.