Claude 3 Opus vs Claude Opus 5
As of Oct 15, 2026, Claude 3 Opus leads Claude Opus 5 in 0 of 2 shared categories.
Claude 3 Opus
#11 Best recorded rank: #11 in General LLM, as of Oct 15, 2026.
Claude Opus 5
Close. Near-SOTA in Factuality, rank #4.
| Category | Claude 3 Opus | Claude Opus 5 |
|---|---|---|
| General LLM | #11 · #11 in General LLM Margin — LMArena leaderboard dataset · Sep 27, 2024 | #11 · Was SOTA · General LLM Margin 5.851063829787236 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 7, 2024 | #9 · Was SOTA · Reasoning Margin 5.319148936170208 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 | #12 · #12 in Science Margin — Epoch AI benchmarking hub · Jul 24, 2026 |
| Coding | — | #4 · #4 in Coding Margin 22.727272727272734 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | — | #4 · #4 in Coding › Agentic Margin 22.727272727272734 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | — | #6 · Near-SOTA · Coding › Web dev Margin 4 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | — | #9 · Was SOTA · Long context Margin 4.7872340425531945 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #12 · #12 in Vision Margin 36.8421052631579 Epoch AI benchmarking hub · Jul 24, 2026 |
| Factuality | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 29, 2024 | #4 · Near-SOTA · Factuality Margin 2.9069767441860535 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 24, 2026 |
Claude 3 Opus: price per 1M tokens is unset in the catalog.
Claude Opus 5: $10 per 1M blended tokens.
Claude 3 Opus: closed weights.
Claude Opus 5: closed weights.
General LLM: As of Oct 15, 2026, Claude 3 Opus and Claude Opus 5 share #11 in General LLM.
Science: As of Oct 15, 2026, Claude Opus 5 leads Claude 3 Opus in Science at #12 against #138.
Claude 3 Opus or Claude Opus 5?
As of Oct 15, 2026, Claude 3 Opus leads Claude Opus 5 in 0 of 2 shared categories.
Claude 3 Opus or Claude Opus 5 for General LLM?
As of Oct 15, 2026, Claude 3 Opus and Claude Opus 5 share #11 in General LLM.
Claude 3 Opus or Claude Opus 5 for Science?
As of Oct 15, 2026, Claude Opus 5 leads Claude 3 Opus in Science at #12 against #138.