GPT-5.4 vs Grok 4.5
As of Oct 14, 2026, GPT-5.4 leads Grok 4.5 in 5 of 7 shared categories: General LLM, Reasoning, Long context, Factuality, and Abstraction (ARC).
GPT-5.4
It used to be. Was SOTA in General LLM.
Grok 4.5
#14 Best recorded rank: #14 in Science, as of Oct 14, 2026.
| Category | GPT-5.4 | Grok 4.5 |
|---|---|---|
| General LLM | #28 · Was SOTA · General LLM Margin 19.04761904761905 LMArena leaderboard dataset · Oct 13, 2026 | #36 · #36 in General LLM Margin 24.48979591836735 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #29 · #29 in Reasoning Margin 20.54794520547945 LMArena leaderboard dataset · Oct 13, 2026 | #37 · #37 in Reasoning Margin 26.027397260273972 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #9 · #9 in Math Margin 17.777777777777757 Epoch AI benchmarking hub · Mar 5, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #16 · #16 in Science Margin — Epoch AI benchmarking hub · Mar 5, 2026 | #14 · #14 in Science Margin — Epoch AI benchmarking hub · Jul 8, 2026 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Mar 5, 2026 | #19 · #19 in Coding Margin 95.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | — | #19 · #19 in Coding › Agentic Margin 95.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | #55 · #55 in Coding › Web dev Margin 50.467289719626166 LMArena leaderboard dataset · Oct 13, 2026 | #34 · #34 in Coding › Web dev Margin 30.8411214953271 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #34 · #34 in Long context Margin 23.12925170068027 LMArena leaderboard dataset · Oct 13, 2026 | #35 · #35 in Long context Margin 23.80952380952381 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #29 · #29 in Vision Margin 86.84210526315789 Epoch AI benchmarking hub · Jul 8, 2026 |
| Factuality | #6 · Was SOTA · Factuality Margin 5.22388059701494 LMArena leaderboard dataset · Oct 13, 2026 | #26 · #26 in Factuality Margin 20.14925373134328 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #10 · #10 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Mar 5, 2026 | #21 · #21 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 8, 2026 |
GPT-5.4: $5.625 per 1M blended tokens.
Grok 4.5: $3 per 1M blended tokens.
GPT-5.4: closed weights.
Grok 4.5: closed weights.
General LLM: As of Oct 14, 2026, GPT-5.4 leads Grok 4.5 in General LLM at #28 against #36.
Reasoning: As of Oct 14, 2026, GPT-5.4 leads Grok 4.5 in Reasoning at #29 against #37.
Science: As of Oct 14, 2026, Grok 4.5 leads GPT-5.4 in Science at #14 against #16.
Coding › Web dev: As of Oct 14, 2026, Grok 4.5 leads GPT-5.4 in Coding › Web dev at #34 against #55.
Long context: As of Oct 14, 2026, GPT-5.4 leads Grok 4.5 in Long context at #34 against #35.
Factuality: As of Oct 14, 2026, GPT-5.4 leads Grok 4.5 in Factuality at #6 against #26.
Abstraction (ARC): As of Oct 14, 2026, GPT-5.4 leads Grok 4.5 in Abstraction (ARC) at #10 against #21.
GPT-5.4 or Grok 4.5?
As of Oct 14, 2026, GPT-5.4 leads Grok 4.5 in 5 of 7 shared categories: General LLM, Reasoning, Long context, Factuality, and Abstraction (ARC).
GPT-5.4 or Grok 4.5 for General LLM?
As of Oct 14, 2026, GPT-5.4 leads Grok 4.5 in General LLM at #28 against #36.
GPT-5.4 or Grok 4.5 for Reasoning?
As of Oct 14, 2026, GPT-5.4 leads Grok 4.5 in Reasoning at #29 against #37.
GPT-5.4 or Grok 4.5 for Science?
As of Oct 14, 2026, Grok 4.5 leads GPT-5.4 in Science at #14 against #16.