Claude Sonnet 4.5 20250929 vs GPT-5.4 Pro
As of Oct 14, 2026, Claude Sonnet 4.5 20250929 leads GPT-5.4 Pro in 0 of 2 shared categories.
Claude Sonnet 4.5 20250929
#36 Best recorded rank: #36 in Abstraction (ARC), as of Oct 14, 2026.
GPT-5.4 Pro
It used to be. Was SOTA in Math.
| Category | Claude Sonnet 4.5 20250929 | GPT-5.4 Pro |
|---|---|---|
| Reasoning | #— · Not enough data Margin — Epoch AI benchmarking hub · Sep 29, 2025 | #— · Not enough data Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
| Math | — | #6 · Was SOTA · Math Margin 11.111111111111114 Epoch AI benchmarking hub · Mar 5, 2026 |
| Science | #66 · #66 in Science Margin — Epoch AI benchmarking hub · Sep 29, 2025 | #6 · #6 in Science Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
| Factuality | #— · Not enough data Margin — Epoch AI benchmarking hub · Sep 29, 2025 | #— · Not enough data Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
| Abstraction (ARC) | #36 · #36 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 29, 2025 | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
Claude Sonnet 4.5 20250929: price per 1M tokens is unset in the catalog.
GPT-5.4 Pro: $67.5 per 1M blended tokens.
Claude Sonnet 4.5 20250929: closed weights.
GPT-5.4 Pro: closed weights.
Science: As of Oct 14, 2026, GPT-5.4 Pro leads Claude Sonnet 4.5 20250929 in Science at #6 against #66.
Abstraction (ARC): As of Oct 14, 2026, GPT-5.4 Pro leads Claude Sonnet 4.5 20250929 in Abstraction (ARC) at #8 against #36.
Claude Sonnet 4.5 20250929 · GPT-5.4 Pro
Claude Sonnet 4.5 20250929 or GPT-5.4 Pro?
As of Oct 14, 2026, Claude Sonnet 4.5 20250929 leads GPT-5.4 Pro in 0 of 2 shared categories.
Claude Sonnet 4.5 20250929 or GPT-5.4 Pro for Science?
As of Oct 14, 2026, GPT-5.4 Pro leads Claude Sonnet 4.5 20250929 in Science at #6 against #66.
Claude Sonnet 4.5 20250929 or GPT-5.4 Pro for Abstraction (ARC)?
As of Oct 14, 2026, GPT-5.4 Pro leads Claude Sonnet 4.5 20250929 in Abstraction (ARC) at #8 against #36.