GPT-5.5 vs Grok 4 0709
As of Oct 15, 2026, GPT-5.5 leads Grok 4 0709 in 6 of 6 shared categories: General LLM, Reasoning, Science, Long context, Factuality, and Abstraction (ARC).
GPT-5.5
It used to be. Was SOTA in General LLM.
Grok 4 0709
#33 Best recorded rank: #33 in Abstraction (ARC), as of Oct 15, 2026.
| Category | GPT-5.5 | Grok 4 0709 |
|---|---|---|
| General LLM | #21 · Was SOTA · General LLM Margin 14.285714285714292 LMArena leaderboard dataset · Oct 13, 2026 | #106 · #106 in General LLM Margin 72.10884353741497 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #25 · #25 in Reasoning Margin 17.808219178082197 LMArena leaderboard dataset · Oct 13, 2026 | #110 · #110 in Reasoning Margin 76.02739726027397 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #30 · #30 in Science Margin — Epoch AI benchmarking hub · Apr 23, 2026 | #51 · #51 in Science Margin — Epoch AI benchmarking hub · Jul 9, 2025 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #44 · #44 in Coding › Web dev Margin 40.18691588785047 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #23 · Was SOTA · Long context Margin 15.646258503401356 LMArena leaderboard dataset · Oct 13, 2026 | #106 · #106 in Long context Margin 72.10884353741497 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #10 · Was SOTA · Vision Margin 28.94736842105263 Epoch AI benchmarking hub · Apr 23, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #5 · Was SOTA · Factuality Margin 4.477611940298502 LMArena leaderboard dataset · Oct 13, 2026 | #96 · #96 in Factuality Margin 72.38805970149254 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #7 · #7 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 23, 2026 | #33 · #33 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 9, 2025 |
GPT-5.5: $11.25 per 1M blended tokens.
Grok 4 0709: price per 1M tokens is unset in the catalog.
GPT-5.5: closed weights.
Grok 4 0709: closed weights.
General LLM: As of Oct 15, 2026, GPT-5.5 leads Grok 4 0709 in General LLM at #21 against #106.
Reasoning: As of Oct 15, 2026, GPT-5.5 leads Grok 4 0709 in Reasoning at #25 against #110.
Science: As of Oct 15, 2026, GPT-5.5 leads Grok 4 0709 in Science at #30 against #51.
Long context: As of Oct 15, 2026, GPT-5.5 leads Grok 4 0709 in Long context at #23 against #106.
Factuality: As of Oct 15, 2026, GPT-5.5 leads Grok 4 0709 in Factuality at #5 against #96.
Abstraction (ARC): As of Oct 15, 2026, GPT-5.5 leads Grok 4 0709 in Abstraction (ARC) at #7 against #33.
GPT-5.5 or Grok 4 0709?
As of Oct 15, 2026, GPT-5.5 leads Grok 4 0709 in 6 of 6 shared categories: General LLM, Reasoning, Science, Long context, Factuality, and Abstraction (ARC).
GPT-5.5 or Grok 4 0709 for General LLM?
As of Oct 15, 2026, GPT-5.5 leads Grok 4 0709 in General LLM at #21 against #106.
GPT-5.5 or Grok 4 0709 for Reasoning?
As of Oct 15, 2026, GPT-5.5 leads Grok 4 0709 in Reasoning at #25 against #110.
GPT-5.5 or Grok 4 0709 for Science?
As of Oct 15, 2026, GPT-5.5 leads Grok 4 0709 in Science at #30 against #51.