Claude Opus 5 vs GPT-4.1 Nano
As of Oct 14, 2026, Claude Opus 5 leads GPT-4.1 Nano in 2 of 2 shared categories: Science and Abstraction (ARC).
Claude Opus 5
Close. Near-SOTA in Factuality, rank #4.
GPT-4.1 Nano
#91 Best recorded rank: #91 in Abstraction (ARC), as of Oct 14, 2026.
| Category | Claude Opus 5 | GPT-4.1 Nano |
|---|---|---|
| General LLM | #11 · Was SOTA · General LLM Margin 7.482993197278915 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Reasoning | #9 · Was SOTA · Reasoning Margin 6.849315068493155 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Apr 14, 2025 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | — |
| Science | #12 · #12 in Science Margin — Epoch AI benchmarking hub · Jul 24, 2026 | #129 · #129 in Science Margin — Epoch AI benchmarking hub · Apr 14, 2025 |
| Coding | #4 · #4 in Coding Margin 22.727272727272734 Terminal-Bench Harbor Hub · Oct 6, 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 | — |
| 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 · Apr 14, 2025 |
| Abstraction (ARC) | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 24, 2026 | #91 · #91 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 14, 2025 |
Claude Opus 5: $10 per 1M blended tokens.
GPT-4.1 Nano: $0.175 per 1M blended tokens.
Claude Opus 5: closed weights.
GPT-4.1 Nano: closed weights.
Science: As of Oct 14, 2026, Claude Opus 5 leads GPT-4.1 Nano in Science at #12 against #129.
Abstraction (ARC): As of Oct 14, 2026, Claude Opus 5 leads GPT-4.1 Nano in Abstraction (ARC) at #3 against #91.
Claude Opus 5 or GPT-4.1 Nano?
As of Oct 14, 2026, Claude Opus 5 leads GPT-4.1 Nano in 2 of 2 shared categories: Science and Abstraction (ARC).
Claude Opus 5 or GPT-4.1 Nano for Science?
As of Oct 14, 2026, Claude Opus 5 leads GPT-4.1 Nano in Science at #12 against #129.
Claude Opus 5 or GPT-4.1 Nano for Abstraction (ARC)?
As of Oct 14, 2026, Claude Opus 5 leads GPT-4.1 Nano in Abstraction (ARC) at #3 against #91.