Claude Opus 5 vs O1
As of Oct 14, 2026, Claude Opus 5 leads O1 in 5 of 5 shared categories: General LLM, Reasoning, Science, Long context, and Abstraction (ARC).
| Category | Claude Opus 5 | O1 |
|---|---|---|
| General LLM | #11 · Was SOTA · General LLM Margin 7.482993197278915 LMArena leaderboard dataset · Oct 13, 2026 | #112 · Was SOTA · General LLM Margin 76.19047619047619 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #9 · Was SOTA · Reasoning Margin 6.849315068493155 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 | #12 · #12 in Science Margin — Epoch AI benchmarking hub · Jul 24, 2026 | #77 · #77 in Science Margin — Epoch AI benchmarking hub · Dec 17, 2024 |
| Coding | #4 · #4 in Coding Margin 22.727272727272734 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #4 · #4 in Coding › Agentic Margin 22.727272727272734 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #6 · Was SOTA · Coding › Web dev Margin 4.672897196261687 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #9 · Was SOTA · Long context Margin 6.122448979591837 LMArena leaderboard dataset · Oct 13, 2026 | #108 · Was SOTA · Long context Margin 73.46938775510205 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #12 · #12 in Vision Margin 36.8421052631579 Epoch AI benchmarking hub · Jul 24, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #4 · Near-SOTA · Factuality Margin 3.731343283582092 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Dec 17, 2024 |
| Abstraction (ARC) | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 24, 2026 | #57 · #57 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Dec 17, 2024 |
Claude Opus 5: $10 per 1M blended tokens.
O1: $26.25 per 1M blended tokens.
Claude Opus 5: closed weights.
O1: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 5 leads O1 in General LLM at #11 against #112.
Reasoning: As of Oct 14, 2026, Claude Opus 5 leads O1 in Reasoning at #9 against #117.
Science: As of Oct 14, 2026, Claude Opus 5 leads O1 in Science at #12 against #77.
Long context: As of Oct 14, 2026, Claude Opus 5 leads O1 in Long context at #9 against #108.
Abstraction (ARC): As of Oct 14, 2026, Claude Opus 5 leads O1 in Abstraction (ARC) at #3 against #57.
Claude Opus 5 or O1?
As of Oct 14, 2026, Claude Opus 5 leads O1 in 5 of 5 shared categories: General LLM, Reasoning, Science, Long context, and Abstraction (ARC).
Claude Opus 5 or O1 for General LLM?
As of Oct 14, 2026, Claude Opus 5 leads O1 in General LLM at #11 against #112.
Claude Opus 5 or O1 for Reasoning?
As of Oct 14, 2026, Claude Opus 5 leads O1 in Reasoning at #9 against #117.
Claude Opus 5 or O1 for Science?
As of Oct 14, 2026, Claude Opus 5 leads O1 in Science at #12 against #77.