Claude Opus 4.8 vs O1
As of Oct 14, 2026, Claude Opus 4.8 leads O1 in 5 of 5 shared categories: General LLM, Reasoning, Science, Long context, and Abstraction (ARC).
Claude Opus 4.8
It used to be. Was SOTA in Coding › Web dev.
O1
It used to be. Was SOTA in General LLM.
| Category | Claude Opus 4.8 | O1 |
|---|---|---|
| General LLM | #20 · #20 in General LLM Margin 13.605442176870753 LMArena leaderboard dataset · Oct 13, 2026 | #112 · Was SOTA · General LLM Margin 76.19047619047619 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #10 · #10 in Reasoning Margin 7.534246575342465 LMArena leaderboard dataset · Oct 13, 2026 | #117 · Was SOTA · Reasoning Margin 80.82191780821918 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #34 · #34 in Math Margin 75.55555555555556 Epoch AI benchmarking hub · Dec 17, 2024 |
| Science | #27 · #27 in Science Margin — Epoch AI benchmarking hub · May 28, 2026 | #77 · #77 in Science Margin — Epoch AI benchmarking hub · Dec 17, 2024 |
| Coding | #12 · #12 in Coding Margin 59.09090909090909 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #12 · #12 in Coding › Agentic Margin 59.09090909090909 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #33 · Was SOTA · Coding › Web dev Margin 29.90654205607477 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #10 · Was SOTA · Long context Margin 6.802721088435391 LMArena leaderboard dataset · Oct 13, 2026 | #108 · Was SOTA · Long context Margin 73.46938775510205 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #13 · #13 in Vision Margin 36.842105263157904 Epoch AI benchmarking hub · May 28, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #21 · #21 in Factuality Margin 16.417910447761187 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Dec 17, 2024 |
| Abstraction (ARC) | #12 · #12 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · May 28, 2026 | #57 · #57 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Dec 17, 2024 |
Claude Opus 4.8: $10 per 1M blended tokens.
O1: $26.25 per 1M blended tokens.
Claude Opus 4.8: closed weights.
O1: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.8 leads O1 in General LLM at #20 against #112.
Reasoning: As of Oct 14, 2026, Claude Opus 4.8 leads O1 in Reasoning at #10 against #117.
Science: As of Oct 14, 2026, Claude Opus 4.8 leads O1 in Science at #27 against #77.
Long context: As of Oct 14, 2026, Claude Opus 4.8 leads O1 in Long context at #10 against #108.
Abstraction (ARC): As of Oct 14, 2026, Claude Opus 4.8 leads O1 in Abstraction (ARC) at #12 against #57.
Claude Opus 4.8 or O1?
As of Oct 14, 2026, Claude Opus 4.8 leads O1 in 5 of 5 shared categories: General LLM, Reasoning, Science, Long context, and Abstraction (ARC).
Claude Opus 4.8 or O1 for General LLM?
As of Oct 14, 2026, Claude Opus 4.8 leads O1 in General LLM at #20 against #112.
Claude Opus 4.8 or O1 for Reasoning?
As of Oct 14, 2026, Claude Opus 4.8 leads O1 in Reasoning at #10 against #117.
Claude Opus 4.8 or O1 for Science?
As of Oct 14, 2026, Claude Opus 4.8 leads O1 in Science at #27 against #77.