GPT-5.6 Terra vs GPT-6.1 Sol
As of Oct 14, 2026, GPT-5.6 Terra leads GPT-6.1 Sol in 1 of 10 shared categories: Factuality.
GPT-5.6 Terra
#4 Best recorded rank: #4 in Abstraction (ARC), as of Oct 14, 2026.
GPT-6.1 Sol
Yes. SOTA in co-SOTA in Vision.
| Category | GPT-5.6 Terra | GPT-6.1 Sol |
|---|---|---|
| General LLM | #35 · #35 in General LLM Margin 23.80952380952381 LMArena leaderboard dataset · Oct 13, 2026 | #18 · #18 in General LLM Margin 12.244897959183675 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #35 · #35 in Reasoning Margin 24.657534246575338 LMArena leaderboard dataset · Oct 13, 2026 | #15 · #15 in Reasoning Margin 10.958904109589042 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 | #4 · #4 in Science Margin — Epoch AI benchmarking hub · Sep 29, 2026 |
| Coding | #13 · #13 in Coding Margin 63.63636363636363 Terminal-Bench Harbor Hub · Oct 6, 2026 | #2 · Near-SOTA · Coding Margin 13.63636363636364 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | #13 · #13 in Coding › Agentic Margin 63.63636363636363 Terminal-Bench Harbor Hub · Oct 6, 2026 | #2 · Near-SOTA · Coding › Agentic Margin 13.63636363636364 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 | #4 · Near-SOTA · Coding › Web dev Margin 2.803738317757009 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #46 · #46 in Long context Margin 31.292517006802726 LMArena leaderboard dataset · Oct 13, 2026 | #17 · #17 in Long context Margin 11.564625850340136 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #11 · #11 in Vision Margin 31.578947368421055 Epoch AI benchmarking hub · Jul 9, 2026 | #1 · Co-SOTA · Vision Margin 0 Epoch AI benchmarking hub · Sep 29, 2026 |
| Factuality | #24 · #24 in Factuality Margin 18.656716417910445 LMArena leaderboard dataset · Oct 13, 2026 | #29 · #29 in Factuality Margin 22.388059701492537 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #4 · #4 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 9, 2026 | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 29, 2026 |
GPT-5.6 Terra: $4.5 per 1M blended tokens.
GPT-6.1 Sol: $4.000000000000001 per 1M blended tokens.
GPT-5.6 Terra: closed weights.
GPT-6.1 Sol: closed weights.
General LLM: As of Oct 14, 2026, GPT-6.1 Sol leads GPT-5.6 Terra in General LLM at #18 against #35.
Reasoning: As of Oct 14, 2026, GPT-6.1 Sol leads GPT-5.6 Terra in Reasoning at #15 against #35.
Science: As of Oct 14, 2026, GPT-6.1 Sol leads GPT-5.6 Terra in Science at #4 against #15.
Coding: As of Oct 14, 2026, GPT-6.1 Sol leads GPT-5.6 Terra in Coding at #2 against #13.
Coding › Agentic: As of Oct 14, 2026, GPT-6.1 Sol leads GPT-5.6 Terra in Coding › Agentic at #2 against #13.
Coding › Web dev: As of Oct 14, 2026, GPT-6.1 Sol leads GPT-5.6 Terra in Coding › Web dev at #4 against #42.
Long context: As of Oct 14, 2026, GPT-6.1 Sol leads GPT-5.6 Terra in Long context at #17 against #46.
Vision: As of Oct 14, 2026, GPT-6.1 Sol leads GPT-5.6 Terra in Vision at #1 against #11.
Factuality: As of Oct 14, 2026, GPT-5.6 Terra leads GPT-6.1 Sol in Factuality at #24 against #29.
Abstraction (ARC): As of Oct 14, 2026, GPT-6.1 Sol leads GPT-5.6 Terra in Abstraction (ARC) at #1 against #4.
GPT-5.6 Terra or GPT-6.1 Sol?
As of Oct 14, 2026, GPT-5.6 Terra leads GPT-6.1 Sol in 1 of 10 shared categories: Factuality.
GPT-5.6 Terra or GPT-6.1 Sol for General LLM?
As of Oct 14, 2026, GPT-6.1 Sol leads GPT-5.6 Terra in General LLM at #18 against #35.
GPT-5.6 Terra or GPT-6.1 Sol for Reasoning?
As of Oct 14, 2026, GPT-6.1 Sol leads GPT-5.6 Terra in Reasoning at #15 against #35.
GPT-5.6 Terra or GPT-6.1 Sol for Science?
As of Oct 14, 2026, GPT-6.1 Sol leads GPT-5.6 Terra in Science at #4 against #15.