GPT-5.5 Instant vs Grok 4.6
As of Oct 14, 2026, GPT-5.5 Instant leads Grok 4.6 in 3 of 5 shared categories: General LLM, Reasoning, and Long context.
GPT-5.5 Instant
#31 Best current rank: #31 in General LLM, as of Oct 14, 2026.
Grok 4.6
#10 Best recorded rank: #10 in Science, as of Oct 14, 2026.
| Category | GPT-5.5 Instant | Grok 4.6 |
|---|---|---|
| General LLM | #31 · #31 in General LLM Margin 21.088435374149654 LMArena leaderboard dataset · Oct 13, 2026 | #48 · #48 in General LLM Margin 32.65306122448979 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #33 · #33 in Reasoning Margin 23.28767123287672 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 | #65 · #65 in Science Margin — Epoch AI benchmarking hub · May 5, 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 | — | #20 · #20 in Coding › Web dev Margin 17.757009345794387 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #39 · #39 in Long context Margin 26.530612244897952 LMArena leaderboard dataset · Oct 13, 2026 | #41 · #41 in Long context Margin 27.89115646258503 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #24 · #24 in Vision Margin 65.78947368421052 Epoch AI benchmarking hub · Aug 12, 2026 |
| Factuality | #64 · #64 in Factuality Margin 48.507462686567166 LMArena leaderboard dataset · Oct 13, 2026 | #51 · #51 in Factuality Margin 38.80597014925373 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #20 · #20 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Aug 12, 2026 |
GPT-5.5 Instant: price per 1M tokens is unset in the catalog.
Grok 4.6: $3 per 1M blended tokens.
GPT-5.5 Instant: closed weights.
Grok 4.6: closed weights.
General LLM: As of Oct 14, 2026, GPT-5.5 Instant leads Grok 4.6 in General LLM at #31 against #48.
Reasoning: As of Oct 14, 2026, GPT-5.5 Instant leads Grok 4.6 in Reasoning at #33 against #44.
Science: As of Oct 14, 2026, Grok 4.6 leads GPT-5.5 Instant in Science at #10 against #65.
Long context: As of Oct 14, 2026, GPT-5.5 Instant leads Grok 4.6 in Long context at #39 against #41.
Factuality: As of Oct 14, 2026, Grok 4.6 leads GPT-5.5 Instant in Factuality at #51 against #64.
GPT-5.5 Instant or Grok 4.6?
As of Oct 14, 2026, GPT-5.5 Instant leads Grok 4.6 in 3 of 5 shared categories: General LLM, Reasoning, and Long context.
GPT-5.5 Instant or Grok 4.6 for General LLM?
As of Oct 14, 2026, GPT-5.5 Instant leads Grok 4.6 in General LLM at #31 against #48.
GPT-5.5 Instant or Grok 4.6 for Reasoning?
As of Oct 14, 2026, GPT-5.5 Instant leads Grok 4.6 in Reasoning at #33 against #44.
GPT-5.5 Instant or Grok 4.6 for Science?
As of Oct 14, 2026, Grok 4.6 leads GPT-5.5 Instant in Science at #10 against #65.