GPT-5.6 Luna vs Grok 4.6
As of Oct 15, 2026, GPT-5.6 Luna leads Grok 4.6 in 3 of 10 shared categories: Vision, Factuality, and Abstraction (ARC).
GPT-5.6 Luna
#16 Best current rank: #16 in Coding, as of Oct 15, 2026.
Grok 4.6
#10 Best recorded rank: #10 in Science, as of Oct 15, 2026.
| Category | GPT-5.6 Luna | Grok 4.6 |
|---|---|---|
| General LLM | #66 · #66 in General LLM Margin 35.1063829787234 LMArena leaderboard dataset · Oct 13, 2026 | #61 · #61 in General LLM Margin 32.44680851063829 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #69 · #69 in Reasoning Margin 37.234042553191486 LMArena leaderboard dataset · Oct 13, 2026 | #55 · #55 in Reasoning Margin 29.787234042553195 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 | #25 · #25 in Science Margin — Epoch AI benchmarking hub · Jul 9, 2026 | #10 · #10 in Science Margin — Epoch AI benchmarking hub · Aug 12, 2026 |
| Coding | #16 · #16 in Coding Margin 77.27272727272728 Terminal-Bench Harbor Hub · Oct 6, 2026 | #14 · #14 in Coding Margin 68.18181818181819 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | #16 · #16 in Coding › Agentic Margin 77.27272727272728 Terminal-Bench Harbor Hub · Oct 6, 2026 | #14 · #14 in Coding › Agentic Margin 68.18181818181819 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | #46 · #46 in Coding › Web dev Margin 36 LMArena leaderboard dataset · Oct 13, 2026 | #22 · #22 in Coding › Web dev Margin 16.799999999999997 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #80 · #80 in Long context Margin 42.5531914893617 LMArena leaderboard dataset · Oct 13, 2026 | #48 · #48 in Long context Margin 25.531914893617028 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #19 · #19 in Vision Margin 52.63157894736842 Epoch AI benchmarking hub · Jul 9, 2026 | #24 · #24 in Vision Margin 65.78947368421052 Epoch AI benchmarking hub · Aug 12, 2026 |
| Factuality | #39 · #39 in Factuality Margin 23.25581395348837 LMArena leaderboard dataset · Oct 13, 2026 | #62 · #62 in Factuality Margin 36.627906976744185 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #19 · #19 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 9, 2026 | #20 · #20 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Aug 12, 2026 |
GPT-5.6 Luna: $0.44999999999999996 per 1M blended tokens.
Grok 4.6: $3 per 1M blended tokens.
GPT-5.6 Luna: closed weights.
Grok 4.6: closed weights.
General LLM: As of Oct 15, 2026, Grok 4.6 leads GPT-5.6 Luna in General LLM at #61 against #66.
Reasoning: As of Oct 15, 2026, Grok 4.6 leads GPT-5.6 Luna in Reasoning at #55 against #69.
Science: As of Oct 15, 2026, Grok 4.6 leads GPT-5.6 Luna in Science at #10 against #25.
Coding: As of Oct 15, 2026, Grok 4.6 leads GPT-5.6 Luna in Coding at #14 against #16.
Coding › Agentic: As of Oct 15, 2026, Grok 4.6 leads GPT-5.6 Luna in Coding › Agentic at #14 against #16.
Coding › Web dev: As of Oct 15, 2026, Grok 4.6 leads GPT-5.6 Luna in Coding › Web dev at #22 against #46.
Long context: As of Oct 15, 2026, Grok 4.6 leads GPT-5.6 Luna in Long context at #48 against #80.
Vision: As of Oct 15, 2026, GPT-5.6 Luna leads Grok 4.6 in Vision at #19 against #24.
Factuality: As of Oct 15, 2026, GPT-5.6 Luna leads Grok 4.6 in Factuality at #39 against #62.
Abstraction (ARC): As of Oct 15, 2026, GPT-5.6 Luna leads Grok 4.6 in Abstraction (ARC) at #19 against #20.
GPT-5.6 Luna or Grok 4.6?
As of Oct 15, 2026, GPT-5.6 Luna leads Grok 4.6 in 3 of 10 shared categories: Vision, Factuality, and Abstraction (ARC).
GPT-5.6 Luna or Grok 4.6 for General LLM?
As of Oct 15, 2026, Grok 4.6 leads GPT-5.6 Luna in General LLM at #61 against #66.
GPT-5.6 Luna or Grok 4.6 for Reasoning?
As of Oct 15, 2026, Grok 4.6 leads GPT-5.6 Luna in Reasoning at #55 against #69.
GPT-5.6 Luna or Grok 4.6 for Science?
As of Oct 15, 2026, Grok 4.6 leads GPT-5.6 Luna in Science at #10 against #25.