Claude Sonnet 5.5 vs GPT-5.4 Pro
As of Oct 14, 2026, Claude Sonnet 5.5 leads GPT-5.4 Pro in 2 of 2 shared categories: Math and Science.
Claude Sonnet 5.5
Yes. SOTA in co-SOTA in Coding, co-SOTA in Coding › Agentic and co-SOTA in Vision.
GPT-5.4 Pro
It used to be. Was SOTA in Math.
| Category | Claude Sonnet 5.5 | GPT-5.4 Pro |
|---|---|---|
| General LLM | #27 · #27 in General LLM Margin 18.367346938775512 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Reasoning | #18 · #18 in Reasoning Margin 13.013698630136986 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
| Math | #4 · #4 in Math Margin 6.666666666666671 Epoch AI benchmarking hub · Sep 28, 2026 | #6 · Was SOTA · Math Margin 11.111111111111114 Epoch AI benchmarking hub · Mar 5, 2026 |
| Science | #3 · #3 in Science Margin — Epoch AI benchmarking hub · Sep 28, 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 | #3 · Near-SOTA · Coding › Web dev Margin 1.8691588785046775 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #11 · #11 in Long context Margin 7.482993197278915 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Vision | #1 · Co-SOTA · Vision Margin 0 Epoch AI benchmarking hub · Sep 28, 2026 | — |
| Factuality | #16 · #16 in Factuality Margin 12.68656716417911 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
| Abstraction (ARC) | — | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
Claude Sonnet 5.5: $4.000000000000001 per 1M blended tokens.
GPT-5.4 Pro: $67.5 per 1M blended tokens.
Claude Sonnet 5.5: closed weights.
GPT-5.4 Pro: closed weights.
Math: As of Oct 14, 2026, Claude Sonnet 5.5 leads GPT-5.4 Pro in Math at #4 against #6.
Science: As of Oct 14, 2026, Claude Sonnet 5.5 leads GPT-5.4 Pro in Science at #3 against #6.
Claude Sonnet 5.5 · GPT-5.4 Pro
Claude Sonnet 5.5 or GPT-5.4 Pro?
As of Oct 14, 2026, Claude Sonnet 5.5 leads GPT-5.4 Pro in 2 of 2 shared categories: Math and Science.
Claude Sonnet 5.5 or GPT-5.4 Pro for Math?
As of Oct 14, 2026, Claude Sonnet 5.5 leads GPT-5.4 Pro in Math at #4 against #6.
Claude Sonnet 5.5 or GPT-5.4 Pro for Science?
As of Oct 14, 2026, Claude Sonnet 5.5 leads GPT-5.4 Pro in Science at #3 against #6.