Claude 3.5 Sonnet vs Claude Opus 4.8
As of Oct 15, 2026, Claude 3.5 Sonnet leads Claude Opus 4.8 in 0 of 4 shared categories.
Claude 3.5 Sonnet
It used to be. Was SOTA in General LLM.
Claude Opus 4.8
It used to be. Was SOTA in Coding › Web dev.
| Category | Claude 3.5 Sonnet | Claude Opus 4.8 |
|---|---|---|
| General LLM | #181 · Was SOTA · General LLM Margin 96.27659574468085 LMArena leaderboard dataset · Oct 13, 2026 | #21 · #21 in General LLM Margin 11.170212765957444 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #175 · Was SOTA · Reasoning Margin 93.61702127659575 LMArena leaderboard dataset · Oct 13, 2026 | #10 · #10 in Reasoning Margin 5.851063829787236 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #43 · #43 in Math Margin 95.55555555555556 Epoch AI benchmarking hub · Oct 22, 2024 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #119 · #119 in Science Margin — Epoch AI benchmarking hub · Oct 22, 2024 | #27 · #27 in Science Margin — Epoch AI benchmarking hub · May 28, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #12 · #12 in Coding Margin 59.09090909090909 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | — | #12 · #12 in Coding › Agentic Margin 59.09090909090909 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | — | #35 · Was SOTA · Coding › Web dev Margin 27.200000000000003 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #163 · Was SOTA · Long context Margin 86.70212765957447 LMArena leaderboard dataset · Oct 13, 2026 | #10 · Was SOTA · Long context Margin 5.319148936170208 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #13 · #13 in Vision Margin 36.842105263157904 Epoch AI benchmarking hub · May 28, 2026 |
| Factuality | — | #24 · #24 in Factuality Margin 14.534883720930239 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #12 · #12 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · May 28, 2026 |
Claude 3.5 Sonnet: price per 1M tokens is unset in the catalog.
Claude Opus 4.8: $10 per 1M blended tokens.
Claude 3.5 Sonnet: closed weights.
Claude Opus 4.8: closed weights.
General LLM: As of Oct 15, 2026, Claude Opus 4.8 leads Claude 3.5 Sonnet in General LLM at #21 against #181.
Reasoning: As of Oct 15, 2026, Claude Opus 4.8 leads Claude 3.5 Sonnet in Reasoning at #10 against #175.
Science: As of Oct 15, 2026, Claude Opus 4.8 leads Claude 3.5 Sonnet in Science at #27 against #119.
Long context: As of Oct 15, 2026, Claude Opus 4.8 leads Claude 3.5 Sonnet in Long context at #10 against #163.
Claude 3.5 Sonnet · Claude Opus 4.8
Claude 3.5 Sonnet or Claude Opus 4.8?
As of Oct 15, 2026, Claude 3.5 Sonnet leads Claude Opus 4.8 in 0 of 4 shared categories.
Claude 3.5 Sonnet or Claude Opus 4.8 for General LLM?
As of Oct 15, 2026, Claude Opus 4.8 leads Claude 3.5 Sonnet in General LLM at #21 against #181.
Claude 3.5 Sonnet or Claude Opus 4.8 for Reasoning?
As of Oct 15, 2026, Claude Opus 4.8 leads Claude 3.5 Sonnet in Reasoning at #10 against #175.
Claude 3.5 Sonnet or Claude Opus 4.8 for Science?
As of Oct 15, 2026, Claude Opus 4.8 leads Claude 3.5 Sonnet in Science at #27 against #119.