Claude Opus 4.8 vs O1 Preview
As of Oct 15, 2026, Claude Opus 4.8 leads O1 Preview 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 Preview
It used to be. Was SOTA in General LLM.
| Category | Claude Opus 4.8 | O1 Preview |
|---|---|---|
| General LLM | #21 · #21 in General LLM Margin 11.170212765957444 LMArena leaderboard dataset · Oct 13, 2026 | #166 · Was SOTA · General LLM Margin 88.29787234042553 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #10 · #10 in Reasoning Margin 5.851063829787236 LMArena leaderboard dataset · Oct 13, 2026 | #177 · Was SOTA · Reasoning Margin 94.68085106382979 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #27 · #27 in Science Margin — Epoch AI benchmarking hub · May 28, 2026 | #125 · #125 in Science Margin — Epoch AI benchmarking hub · Sep 12, 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 | #35 · Was SOTA · Coding › Web dev Margin 27.200000000000003 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #10 · Was SOTA · Long context Margin 5.319148936170208 LMArena leaderboard dataset · Oct 13, 2026 | #176 · Was SOTA · Long context Margin 93.61702127659575 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #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 | #73 · #73 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 12, 2024 |
Claude Opus 4.8: $10 per 1M blended tokens.
O1 Preview: price per 1M tokens is unset in the catalog.
Claude Opus 4.8: closed weights.
O1 Preview: closed weights.
General LLM: As of Oct 15, 2026, Claude Opus 4.8 leads O1 Preview in General LLM at #21 against #166.
Reasoning: As of Oct 15, 2026, Claude Opus 4.8 leads O1 Preview in Reasoning at #10 against #177.
Science: As of Oct 15, 2026, Claude Opus 4.8 leads O1 Preview in Science at #27 against #125.
Long context: As of Oct 15, 2026, Claude Opus 4.8 leads O1 Preview in Long context at #10 against #176.
Abstraction (ARC): As of Oct 15, 2026, Claude Opus 4.8 leads O1 Preview in Abstraction (ARC) at #12 against #73.
Claude Opus 4.8 or O1 Preview?
As of Oct 15, 2026, Claude Opus 4.8 leads O1 Preview in 5 of 5 shared categories: General LLM, Reasoning, Science, Long context, and Abstraction (ARC).
Claude Opus 4.8 or O1 Preview for General LLM?
As of Oct 15, 2026, Claude Opus 4.8 leads O1 Preview in General LLM at #21 against #166.
Claude Opus 4.8 or O1 Preview for Reasoning?
As of Oct 15, 2026, Claude Opus 4.8 leads O1 Preview in Reasoning at #10 against #177.
Claude Opus 4.8 or O1 Preview for Science?
As of Oct 15, 2026, Claude Opus 4.8 leads O1 Preview in Science at #27 against #125.