Grok 4.6 vs O3
As of Oct 14, 2026, Grok 4.6 leads O3 in 6 of 6 shared categories: General LLM, Reasoning, Science, Long context, Factuality, and Abstraction (ARC).
Grok 4.6
#10 Best recorded rank: #10 in Science, as of Oct 14, 2026.
O3
It used to be. Was SOTA in General LLM.
| Category | Grok 4.6 | O3 |
|---|---|---|
| General LLM | #48 · #48 in General LLM Margin 32.65306122448979 LMArena leaderboard dataset · Oct 13, 2026 | #78 · Was SOTA · General LLM Margin 53.06122448979592 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #44 · #44 in Reasoning Margin 30.821917808219183 LMArena leaderboard dataset · Oct 13, 2026 | #90 · Was SOTA · Reasoning Margin 62.32876712328767 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #20 · Was SOTA · Math Margin 42.22222222222222 Epoch AI benchmarking hub · Apr 16, 2025 |
| Science | #10 · #10 in Science Margin — Epoch AI benchmarking hub · Aug 12, 2026 | #67 · #67 in Science Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
| Coding | #14 · #14 in Coding Margin 68.18181818181819 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
| 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 | #41 · #41 in Long context Margin 27.89115646258503 LMArena leaderboard dataset · Oct 13, 2026 | #110 · Was SOTA · Long context Margin 74.82993197278913 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #24 · #24 in Vision Margin 65.78947368421052 Epoch AI benchmarking hub · Aug 12, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #51 · #51 in Factuality Margin 38.80597014925373 LMArena leaderboard dataset · Oct 13, 2026 | #105 · #105 in Factuality Margin 79.1044776119403 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #20 · #20 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Aug 12, 2026 | #37 · #37 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
Grok 4.6: $3 per 1M blended tokens.
O3: $3.5 per 1M blended tokens.
Grok 4.6: closed weights.
O3: closed weights.
General LLM: As of Oct 14, 2026, Grok 4.6 leads O3 in General LLM at #48 against #78.
Reasoning: As of Oct 14, 2026, Grok 4.6 leads O3 in Reasoning at #44 against #90.
Science: As of Oct 14, 2026, Grok 4.6 leads O3 in Science at #10 against #67.
Long context: As of Oct 14, 2026, Grok 4.6 leads O3 in Long context at #41 against #110.
Factuality: As of Oct 14, 2026, Grok 4.6 leads O3 in Factuality at #51 against #105.
Abstraction (ARC): As of Oct 14, 2026, Grok 4.6 leads O3 in Abstraction (ARC) at #20 against #37.
Grok 4.6 or O3?
As of Oct 14, 2026, Grok 4.6 leads O3 in 6 of 6 shared categories: General LLM, Reasoning, Science, Long context, Factuality, and Abstraction (ARC).
Grok 4.6 or O3 for General LLM?
As of Oct 14, 2026, Grok 4.6 leads O3 in General LLM at #48 against #78.
Grok 4.6 or O3 for Reasoning?
As of Oct 14, 2026, Grok 4.6 leads O3 in Reasoning at #44 against #90.
Grok 4.6 or O3 for Science?
As of Oct 14, 2026, Grok 4.6 leads O3 in Science at #10 against #67.