Claude 3 Opus vs GPT-5.6 Luna
As of Oct 15, 2026, Claude 3 Opus leads GPT-5.6 Luna 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-5.6 Luna
#16 Best current rank: #16 in Coding, as of Oct 15, 2026.
| Category | Claude 3 Opus | GPT-5.6 Luna |
|---|---|---|
| General LLM | #11 · #11 in General LLM Margin — LMArena leaderboard dataset · Sep 27, 2024 | #66 · #66 in General LLM Margin 35.1063829787234 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 7, 2024 | #69 · #69 in Reasoning Margin 37.234042553191486 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | — | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #138 · #138 in Science Margin — Epoch AI benchmarking hub · Feb 29, 2024 | #25 · #25 in Science Margin — Epoch AI benchmarking hub · Jul 9, 2026 |
| Coding | — | #16 · #16 in Coding Margin 77.27272727272728 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | — | #16 · #16 in Coding › Agentic Margin 77.27272727272728 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | — | #46 · #46 in Coding › Web dev Margin 36 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | — | #80 · #80 in Long context Margin 42.5531914893617 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #19 · #19 in Vision Margin 52.63157894736842 Epoch AI benchmarking hub · Jul 9, 2026 |
| Factuality | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 29, 2024 | #39 · #39 in Factuality Margin 23.25581395348837 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #19 · #19 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 9, 2026 |
Claude 3 Opus: price per 1M tokens is unset in the catalog.
GPT-5.6 Luna: $0.44999999999999996 per 1M blended tokens.
Claude 3 Opus: closed weights.
GPT-5.6 Luna: closed weights.
General LLM: As of Oct 15, 2026, Claude 3 Opus leads GPT-5.6 Luna in General LLM at #11 against #66.
Science: As of Oct 15, 2026, GPT-5.6 Luna leads Claude 3 Opus in Science at #25 against #138.
Claude 3 Opus or GPT-5.6 Luna?
As of Oct 15, 2026, Claude 3 Opus leads GPT-5.6 Luna in 1 of 2 shared categories: General LLM.
Claude 3 Opus or GPT-5.6 Luna for General LLM?
As of Oct 15, 2026, Claude 3 Opus leads GPT-5.6 Luna in General LLM at #11 against #66.
Claude 3 Opus or GPT-5.6 Luna for Science?
As of Oct 15, 2026, GPT-5.6 Luna leads Claude 3 Opus in Science at #25 against #138.