GPT-5.5 vs Grok 4.1
As of Oct 14, 2026, GPT-5.5 leads Grok 4.1 in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.
GPT-5.5
It used to be. Was SOTA in General LLM.
Grok 4.1
#42 Best current rank: #42 in General LLM, as of Oct 14, 2026.
| Category | GPT-5.5 | Grok 4.1 |
|---|---|---|
| General LLM | #21 · Was SOTA · General LLM Margin 14.285714285714292 LMArena leaderboard dataset · Oct 13, 2026 | #42 · #42 in General LLM Margin 28.57142857142857 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #25 · #25 in Reasoning Margin 17.808219178082197 LMArena leaderboard dataset · Oct 13, 2026 | #54 · #54 in Reasoning Margin 37.67123287671233 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 | — |
| 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 | #67 · #67 in Long context Margin 45.57823129251702 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #10 · Was SOTA · Vision Margin 28.94736842105263 Epoch AI benchmarking hub · Apr 23, 2026 | — |
| Factuality | #5 · Was SOTA · Factuality Margin 4.477611940298502 LMArena leaderboard dataset · Oct 13, 2026 | #81 · #81 in Factuality Margin 61.19402985074627 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #7 · #7 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 23, 2026 | — |
GPT-5.5: $11.25 per 1M blended tokens.
Grok 4.1: price per 1M tokens is unset in the catalog.
GPT-5.5: closed weights.
Grok 4.1: closed weights.
General LLM: As of Oct 14, 2026, GPT-5.5 leads Grok 4.1 in General LLM at #21 against #42.
Reasoning: As of Oct 14, 2026, GPT-5.5 leads Grok 4.1 in Reasoning at #25 against #54.
Long context: As of Oct 14, 2026, GPT-5.5 leads Grok 4.1 in Long context at #23 against #67.
Factuality: As of Oct 14, 2026, GPT-5.5 leads Grok 4.1 in Factuality at #5 against #81.
GPT-5.5 or Grok 4.1?
As of Oct 14, 2026, GPT-5.5 leads Grok 4.1 in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.
GPT-5.5 or Grok 4.1 for General LLM?
As of Oct 14, 2026, GPT-5.5 leads Grok 4.1 in General LLM at #21 against #42.
GPT-5.5 or Grok 4.1 for Reasoning?
As of Oct 14, 2026, GPT-5.5 leads Grok 4.1 in Reasoning at #25 against #54.
GPT-5.5 or Grok 4.1 for Long context?
As of Oct 14, 2026, GPT-5.5 leads Grok 4.1 in Long context at #23 against #67.