Claude Opus 4.8 vs GPT-5.4
As of Oct 14, 2026, Claude Opus 4.8 leads GPT-5.4 in 4 of 7 shared categories: General LLM, Reasoning, Coding › Web dev, and Long context.
Claude Opus 4.8
It used to be. Was SOTA in Coding › Web dev.
GPT-5.4
It used to be. Was SOTA in General LLM.
| Category | Claude Opus 4.8 | GPT-5.4 |
|---|---|---|
| General LLM | #20 · #20 in General LLM Margin 13.605442176870753 LMArena leaderboard dataset · Oct 13, 2026 | #28 · Was SOTA · General LLM Margin 19.04761904761905 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #10 · #10 in Reasoning Margin 7.534246575342465 LMArena leaderboard dataset · Oct 13, 2026 | #29 · #29 in Reasoning Margin 20.54794520547945 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #9 · #9 in Math Margin 17.777777777777757 Epoch AI benchmarking hub · Mar 5, 2026 |
| Science | #27 · #27 in Science Margin — Epoch AI benchmarking hub · May 28, 2026 | #16 · #16 in Science Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
| Coding | #12 · #12 in Coding Margin 59.09090909090909 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
| Coding › Agentic | #12 · #12 in Coding › Agentic Margin 59.09090909090909 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #33 · Was SOTA · Coding › Web dev Margin 29.90654205607477 LMArena leaderboard dataset · Oct 13, 2026 | #55 · #55 in Coding › Web dev Margin 50.467289719626166 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #10 · Was SOTA · Long context Margin 6.802721088435391 LMArena leaderboard dataset · Oct 13, 2026 | #34 · #34 in Long context Margin 23.12925170068027 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #13 · #13 in Vision Margin 36.842105263157904 Epoch AI benchmarking hub · May 28, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #21 · #21 in Factuality Margin 16.417910447761187 LMArena leaderboard dataset · Oct 13, 2026 | #6 · Was SOTA · Factuality Margin 5.22388059701494 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #12 · #12 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · May 28, 2026 | #10 · #10 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
Claude Opus 4.8: $10 per 1M blended tokens.
GPT-5.4: $5.625 per 1M blended tokens.
Claude Opus 4.8: closed weights.
GPT-5.4: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.8 leads GPT-5.4 in General LLM at #20 against #28.
Reasoning: As of Oct 14, 2026, Claude Opus 4.8 leads GPT-5.4 in Reasoning at #10 against #29.
Science: As of Oct 14, 2026, GPT-5.4 leads Claude Opus 4.8 in Science at #16 against #27.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 4.8 leads GPT-5.4 in Coding › Web dev at #33 against #55.
Long context: As of Oct 14, 2026, Claude Opus 4.8 leads GPT-5.4 in Long context at #10 against #34.
Factuality: As of Oct 14, 2026, GPT-5.4 leads Claude Opus 4.8 in Factuality at #6 against #21.
Abstraction (ARC): As of Oct 14, 2026, GPT-5.4 leads Claude Opus 4.8 in Abstraction (ARC) at #10 against #12.
Claude Opus 4.8 or GPT-5.4?
As of Oct 14, 2026, Claude Opus 4.8 leads GPT-5.4 in 4 of 7 shared categories: General LLM, Reasoning, Coding › Web dev, and Long context.
Claude Opus 4.8 or GPT-5.4 for General LLM?
As of Oct 14, 2026, Claude Opus 4.8 leads GPT-5.4 in General LLM at #20 against #28.
Claude Opus 4.8 or GPT-5.4 for Reasoning?
As of Oct 14, 2026, Claude Opus 4.8 leads GPT-5.4 in Reasoning at #10 against #29.
Claude Opus 4.8 or GPT-5.4 for Science?
As of Oct 14, 2026, GPT-5.4 leads Claude Opus 4.8 in Science at #16 against #27.