GPT-5.5 vs Grok 4.6
As of Oct 14, 2026, GPT-5.5 leads Grok 4.6 in 6 of 8 shared categories: General LLM, Reasoning, Long context, Vision, Factuality, and Abstraction (ARC).
GPT-5.5
It used to be. Was SOTA in General LLM.
Grok 4.6
#10 Best recorded rank: #10 in Science, as of Oct 14, 2026.
| Category | GPT-5.5 | Grok 4.6 |
|---|---|---|
| General LLM | #21 · Was SOTA · General LLM Margin 14.285714285714292 LMArena leaderboard dataset · Oct 13, 2026 | #48 · #48 in General LLM Margin 32.65306122448979 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #25 · #25 in Reasoning Margin 17.808219178082197 LMArena leaderboard dataset · Oct 13, 2026 | #44 · #44 in Reasoning Margin 30.821917808219183 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 | #10 · #10 in Science Margin — Epoch AI benchmarking hub · Aug 12, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #14 · #14 in Coding Margin 68.18181818181819 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | — | #14 · #14 in Coding › Agentic Margin 68.18181818181819 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | #44 · #44 in Coding › Web dev Margin 40.18691588785047 LMArena leaderboard dataset · Oct 13, 2026 | #20 · #20 in Coding › Web dev Margin 17.757009345794387 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #23 · Was SOTA · Long context Margin 15.646258503401356 LMArena leaderboard dataset · Oct 13, 2026 | #41 · #41 in Long context Margin 27.89115646258503 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #10 · Was SOTA · Vision Margin 28.94736842105263 Epoch AI benchmarking hub · Apr 23, 2026 | #24 · #24 in Vision Margin 65.78947368421052 Epoch AI benchmarking hub · Aug 12, 2026 |
| Factuality | #5 · Was SOTA · Factuality Margin 4.477611940298502 LMArena leaderboard dataset · Oct 13, 2026 | #51 · #51 in Factuality Margin 38.80597014925373 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #7 · #7 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 23, 2026 | #20 · #20 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Aug 12, 2026 |
GPT-5.5: $11.25 per 1M blended tokens.
Grok 4.6: $3 per 1M blended tokens.
GPT-5.5: closed weights.
Grok 4.6: closed weights.
General LLM: As of Oct 14, 2026, GPT-5.5 leads Grok 4.6 in General LLM at #21 against #48.
Reasoning: As of Oct 14, 2026, GPT-5.5 leads Grok 4.6 in Reasoning at #25 against #44.
Science: As of Oct 14, 2026, Grok 4.6 leads GPT-5.5 in Science at #10 against #30.
Coding › Web dev: As of Oct 14, 2026, Grok 4.6 leads GPT-5.5 in Coding › Web dev at #20 against #44.
Long context: As of Oct 14, 2026, GPT-5.5 leads Grok 4.6 in Long context at #23 against #41.
Vision: As of Oct 14, 2026, GPT-5.5 leads Grok 4.6 in Vision at #10 against #24.
Factuality: As of Oct 14, 2026, GPT-5.5 leads Grok 4.6 in Factuality at #5 against #51.
Abstraction (ARC): As of Oct 14, 2026, GPT-5.5 leads Grok 4.6 in Abstraction (ARC) at #7 against #20.
GPT-5.5 or Grok 4.6?
As of Oct 14, 2026, GPT-5.5 leads Grok 4.6 in 6 of 8 shared categories: General LLM, Reasoning, Long context, Vision, Factuality, and Abstraction (ARC).
GPT-5.5 or Grok 4.6 for General LLM?
As of Oct 14, 2026, GPT-5.5 leads Grok 4.6 in General LLM at #21 against #48.
GPT-5.5 or Grok 4.6 for Reasoning?
As of Oct 14, 2026, GPT-5.5 leads Grok 4.6 in Reasoning at #25 against #44.
GPT-5.5 or Grok 4.6 for Science?
As of Oct 14, 2026, Grok 4.6 leads GPT-5.5 in Science at #10 against #30.