Claude Opus 5 vs GPT-4O
As of Oct 14, 2026, Claude Opus 5 leads GPT-4O in 2 of 2 shared categories: Science and Abstraction (ARC).
Claude Opus 5
Close. Near-SOTA in Factuality, rank #4.
GPT-4O
It used to be. Was SOTA in General LLM.
| Category | Claude Opus 5 | GPT-4O |
|---|---|---|
| General LLM | #11 · Was SOTA · General LLM Margin 7.482993197278915 LMArena leaderboard dataset · Oct 13, 2026 | #— · Was SOTA · General LLM Margin — LMArena leaderboard dataset · Feb 21, 2025 |
| Reasoning | #9 · Was SOTA · Reasoning Margin 6.849315068493155 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Feb 6, 2025 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #45 · #45 in Math Margin 100 Epoch AI benchmarking hub · Nov 20, 2024 |
| Science | #12 · #12 in Science Margin — Epoch AI benchmarking hub · Jul 24, 2026 | #131 · #131 in Science Margin — Epoch AI benchmarking hub · Nov 20, 2024 |
| Coding | #4 · #4 in Coding Margin 22.727272727272734 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Feb 17, 2025 |
| 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 | #— · Not enough data Margin — LMArena leaderboard dataset · Jan 22, 2025 |
| 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 · Aug 6, 2024 |
| Abstraction (ARC) | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 24, 2026 | #87 · #87 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Nov 20, 2024 |
Claude Opus 5: $10 per 1M blended tokens.
GPT-4O: $4.375000000000001 per 1M blended tokens.
Claude Opus 5: closed weights.
GPT-4O: closed weights.
Science: As of Oct 14, 2026, Claude Opus 5 leads GPT-4O in Science at #12 against #131.
Abstraction (ARC): As of Oct 14, 2026, Claude Opus 5 leads GPT-4O in Abstraction (ARC) at #3 against #87.
Claude Opus 5 or GPT-4O?
As of Oct 14, 2026, Claude Opus 5 leads GPT-4O in 2 of 2 shared categories: Science and Abstraction (ARC).
Claude Opus 5 or GPT-4O for Science?
As of Oct 14, 2026, Claude Opus 5 leads GPT-4O in Science at #12 against #131.
Claude Opus 5 or GPT-4O for Abstraction (ARC)?
As of Oct 14, 2026, Claude Opus 5 leads GPT-4O in Abstraction (ARC) at #3 against #87.