Claude 3 Opus vs Claude Sonnet 5
As of Oct 14, 2026, Claude 3 Opus leads Claude Sonnet 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 Sonnet 5
#19 Best current rank: #19 in Coding, as of Oct 14, 2026.
| Category | Claude 3 Opus | Claude Sonnet 5 |
|---|---|---|
| General LLM | #9 · #9 in General LLM Margin — LMArena leaderboard dataset · Sep 27, 2024 | #39 · #39 in General LLM Margin 26.530612244897952 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 7, 2024 | #34 · #34 in Reasoning Margin 23.972602739726028 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 | #32 · #32 in Science Margin — Epoch AI benchmarking hub · Jun 30, 2026 |
| Coding | — | #19 · #19 in Coding Margin 95.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | — | #19 · #19 in Coding › Agentic Margin 95.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | — | #38 · #38 in Coding › Web dev Margin 34.57943925233644 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | — | #31 · #31 in Long context Margin 21.088435374149654 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 | #47 · #47 in Factuality Margin 35.82089552238806 LMArena leaderboard dataset · Oct 13, 2026 |
Claude 3 Opus: price per 1M tokens is unset in the catalog.
Claude Sonnet 5: $4.000000000000001 per 1M blended tokens.
Claude 3 Opus: closed weights.
Claude Sonnet 5: closed weights.
General LLM: As of Oct 14, 2026, Claude 3 Opus leads Claude Sonnet 5 in General LLM at #9 against #39.
Science: As of Oct 14, 2026, Claude Sonnet 5 leads Claude 3 Opus in Science at #32 against #138.
Claude 3 Opus · Claude Sonnet 5
Claude 3 Opus or Claude Sonnet 5?
As of Oct 14, 2026, Claude 3 Opus leads Claude Sonnet 5 in 1 of 2 shared categories: General LLM.
Claude 3 Opus or Claude Sonnet 5 for General LLM?
As of Oct 14, 2026, Claude 3 Opus leads Claude Sonnet 5 in General LLM at #9 against #39.
Claude 3 Opus or Claude Sonnet 5 for Science?
As of Oct 14, 2026, Claude Sonnet 5 leads Claude 3 Opus in Science at #32 against #138.