GPT-5.6 Terra vs Grok 4.6
As of Oct 14, 2026, GPT-5.6 Terra leads Grok 4.6 in 7 of 10 shared categories: General LLM, Reasoning, Coding, Coding › Agentic, Vision, Factuality, and Abstraction (ARC).
GPT-5.6 Terra
#4 Best recorded rank: #4 in Abstraction (ARC), as of Oct 14, 2026.
Grok 4.6
#10 Best recorded rank: #10 in Science, as of Oct 14, 2026.
| Category | GPT-5.6 Terra | Grok 4.6 |
|---|---|---|
| General LLM | #35 · #35 in General LLM Margin 23.80952380952381 LMArena leaderboard dataset · Oct 13, 2026 | #48 · #48 in General LLM Margin 32.65306122448979 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #35 · #35 in Reasoning Margin 24.657534246575338 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 | #15 · #15 in Science Margin — Epoch AI benchmarking hub · Jul 9, 2026 | #10 · #10 in Science Margin — Epoch AI benchmarking hub · Aug 12, 2026 |
| Coding | #13 · #13 in Coding Margin 63.63636363636363 Terminal-Bench Harbor Hub · Oct 6, 2026 | #14 · #14 in Coding Margin 68.18181818181819 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | #13 · #13 in Coding › Agentic Margin 63.63636363636363 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 | #42 · #42 in Coding › Web dev Margin 38.3177570093458 LMArena leaderboard dataset · Oct 13, 2026 | #20 · #20 in Coding › Web dev Margin 17.757009345794387 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #46 · #46 in Long context Margin 31.292517006802726 LMArena leaderboard dataset · Oct 13, 2026 | #41 · #41 in Long context Margin 27.89115646258503 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #11 · #11 in Vision Margin 31.578947368421055 Epoch AI benchmarking hub · Jul 9, 2026 | #24 · #24 in Vision Margin 65.78947368421052 Epoch AI benchmarking hub · Aug 12, 2026 |
| Factuality | #24 · #24 in Factuality Margin 18.656716417910445 LMArena leaderboard dataset · Oct 13, 2026 | #51 · #51 in Factuality Margin 38.80597014925373 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #4 · #4 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 Terra: $4.5 per 1M blended tokens.
Grok 4.6: $3 per 1M blended tokens.
GPT-5.6 Terra: closed weights.
Grok 4.6: closed weights.
General LLM: As of Oct 14, 2026, GPT-5.6 Terra leads Grok 4.6 in General LLM at #35 against #48.
Reasoning: As of Oct 14, 2026, GPT-5.6 Terra leads Grok 4.6 in Reasoning at #35 against #44.
Science: As of Oct 14, 2026, Grok 4.6 leads GPT-5.6 Terra in Science at #10 against #15.
Coding: As of Oct 14, 2026, GPT-5.6 Terra leads Grok 4.6 in Coding at #13 against #14.
Coding › Agentic: As of Oct 14, 2026, GPT-5.6 Terra leads Grok 4.6 in Coding › Agentic at #13 against #14.
Coding › Web dev: As of Oct 14, 2026, Grok 4.6 leads GPT-5.6 Terra in Coding › Web dev at #20 against #42.
Long context: As of Oct 14, 2026, Grok 4.6 leads GPT-5.6 Terra in Long context at #41 against #46.
Vision: As of Oct 14, 2026, GPT-5.6 Terra leads Grok 4.6 in Vision at #11 against #24.
Factuality: As of Oct 14, 2026, GPT-5.6 Terra leads Grok 4.6 in Factuality at #24 against #51.
Abstraction (ARC): As of Oct 14, 2026, GPT-5.6 Terra leads Grok 4.6 in Abstraction (ARC) at #4 against #20.
GPT-5.6 Terra or Grok 4.6?
As of Oct 14, 2026, GPT-5.6 Terra leads Grok 4.6 in 7 of 10 shared categories: General LLM, Reasoning, Coding, Coding › Agentic, Vision, Factuality, and Abstraction (ARC).
GPT-5.6 Terra or Grok 4.6 for General LLM?
As of Oct 14, 2026, GPT-5.6 Terra leads Grok 4.6 in General LLM at #35 against #48.
GPT-5.6 Terra or Grok 4.6 for Reasoning?
As of Oct 14, 2026, GPT-5.6 Terra leads Grok 4.6 in Reasoning at #35 against #44.
GPT-5.6 Terra or Grok 4.6 for Science?
As of Oct 14, 2026, Grok 4.6 leads GPT-5.6 Terra in Science at #10 against #15.