Claude 3 Opus vs GPT-5.1
As of Oct 15, 2026, Claude 3 Opus leads GPT-5.1 in 1 of 2 shared categories: General LLM.
Claude 3 Opus
#11 Best recorded rank: #11 in General LLM, as of Oct 15, 2026.
GPT-5.1
#18 Best current rank: #18 in Math, as of Oct 15, 2026.
| Category | Claude 3 Opus | GPT-5.1 |
|---|---|---|
| General LLM | #11 · #11 in General LLM Margin — LMArena leaderboard dataset · Sep 27, 2024 | #60 · #60 in General LLM Margin 31.914893617021278 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 7, 2024 | #62 · #62 in Reasoning Margin 33.51063829787235 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | — | #18 · #18 in Math Margin 37.77777777777778 Epoch AI benchmarking hub · Nov 13, 2025 |
| Science | #138 · #138 in Science Margin — Epoch AI benchmarking hub · Feb 29, 2024 | #48 · #48 in Science Margin — Epoch AI benchmarking hub · Nov 13, 2025 |
| Coding | — | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | — | #82 · #82 in Coding › Web dev Margin 64.8 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | — | #66 · #66 in Long context Margin 35.1063829787234 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 | #42 · #42 in Factuality Margin 25 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #31 · #31 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Nov 13, 2025 |
Claude 3 Opus: price per 1M tokens is unset in the catalog.
GPT-5.1: $3.4375000000000004 per 1M blended tokens.
Claude 3 Opus: closed weights.
GPT-5.1: closed weights.
General LLM: As of Oct 15, 2026, Claude 3 Opus leads GPT-5.1 in General LLM at #11 against #60.
Science: As of Oct 15, 2026, GPT-5.1 leads Claude 3 Opus in Science at #48 against #138.
Claude 3 Opus or GPT-5.1?
As of Oct 15, 2026, Claude 3 Opus leads GPT-5.1 in 1 of 2 shared categories: General LLM.
Claude 3 Opus or GPT-5.1 for General LLM?
As of Oct 15, 2026, Claude 3 Opus leads GPT-5.1 in General LLM at #11 against #60.
Claude 3 Opus or GPT-5.1 for Science?
As of Oct 15, 2026, GPT-5.1 leads Claude 3 Opus in Science at #48 against #138.