Claude Opus 5.5 vs GPT-5.4 Pro
As of Oct 15, 2026, Claude Opus 5.5 leads GPT-5.4 Pro in 1 of 2 shared categories: Abstraction (ARC).
Claude Opus 5.5
Yes. SOTA in Reasoning (tied), Coding (tied), Coding › Agentic (tied), Coding › Web dev, Long context (tied), and Factuality (tied).
GPT-5.4 Pro
It used to be. Was SOTA in Math.
| Category | Claude Opus 5.5 | GPT-5.4 Pro |
|---|---|---|
| General LLM | #2 · Near-SOTA · General LLM Margin 1.0638297872340416 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Reasoning | #1 · Co-SOTA · Reasoning Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #6 · Was SOTA · Math Margin 11.111111111111114 Epoch AI benchmarking hub · Mar 5, 2026 |
| Science | #31 · #31 in Science Margin — Epoch AI benchmarking hub · Sep 22, 2026 | #6 · #6 in Science Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
| Coding | #1 · Co-SOTA · Coding Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Agentic | #1 · Co-SOTA · Coding › Agentic Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #1 · SOTA · Coding › Web dev Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #1 · Co-SOTA · Long context Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Vision | #4 · Near-SOTA · Vision Margin 13.15789473684211 Epoch AI benchmarking hub · Sep 22, 2026 | — |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 22, 2026 | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
Claude Opus 5.5: $8.000000000000002 per 1M blended tokens.
GPT-5.4 Pro: $67.5 per 1M blended tokens.
Claude Opus 5.5: closed weights.
GPT-5.4 Pro: closed weights.
Science: As of Oct 15, 2026, GPT-5.4 Pro leads Claude Opus 5.5 in Science at #6 against #31.
Abstraction (ARC): As of Oct 15, 2026, Claude Opus 5.5 leads GPT-5.4 Pro in Abstraction (ARC) at #1 against #8.
Claude Opus 5.5 or GPT-5.4 Pro?
As of Oct 15, 2026, Claude Opus 5.5 leads GPT-5.4 Pro in 1 of 2 shared categories: Abstraction (ARC).
Claude Opus 5.5 or GPT-5.4 Pro for Science?
As of Oct 15, 2026, GPT-5.4 Pro leads Claude Opus 5.5 in Science at #6 against #31.
Claude Opus 5.5 or GPT-5.4 Pro for Abstraction (ARC)?
As of Oct 15, 2026, Claude Opus 5.5 leads GPT-5.4 Pro in Abstraction (ARC) at #1 against #8.