GPT-5.1 vs GPT-5.6 Sol
As of Oct 14, 2026, GPT-5.1 leads GPT-5.6 Sol in 0 of 7 shared categories.
GPT-5.1
#18 Best current rank: #18 in Math, as of Oct 14, 2026.
GPT-5.6 Sol
Close. Near-SOTA in Vision, rank #3.
| Category | GPT-5.1 | GPT-5.6 Sol |
|---|---|---|
| General LLM | #47 · #47 in General LLM Margin 31.972789115646265 LMArena leaderboard dataset · Oct 13, 2026 | #17 · #17 in General LLM Margin 11.564625850340136 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #48 · #48 in Reasoning Margin 33.56164383561644 LMArena leaderboard dataset · Oct 13, 2026 | #12 · #12 in Reasoning Margin 8.904109589041099 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #18 · #18 in Math Margin 37.77777777777778 Epoch AI benchmarking hub · Nov 13, 2025 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #48 · #48 in Science Margin — Epoch AI benchmarking hub · Nov 13, 2025 | #13 · #13 in Science Margin — Epoch AI benchmarking hub · Jul 9, 2026 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Nov 13, 2025 | #9 · #9 in Coding Margin 45.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | — | #9 · #9 in Coding › Agentic Margin 45.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | #75 · #75 in Coding › Web dev Margin 69.1588785046729 LMArena leaderboard dataset · Oct 13, 2026 | #21 · Was SOTA · Coding › Web dev Margin 18.691588785046733 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #54 · #54 in Long context Margin 36.73469387755103 LMArena leaderboard dataset · Oct 13, 2026 | #13 · #13 in Long context Margin 8.84353741496598 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #3 · Near-SOTA · Vision Margin 10.526315789473685 Epoch AI benchmarking hub · Jul 9, 2026 |
| Factuality | #37 · #37 in Factuality Margin 28.358208955223887 LMArena leaderboard dataset · Oct 13, 2026 | #14 · #14 in Factuality Margin 11.194029850746276 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #31 · #31 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Nov 13, 2025 | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 9, 2026 |
GPT-5.1: $3.4375000000000004 per 1M blended tokens.
GPT-5.6 Sol: $4.000000000000001 per 1M blended tokens.
GPT-5.1: closed weights.
GPT-5.6 Sol: closed weights.
General LLM: As of Oct 14, 2026, GPT-5.6 Sol leads GPT-5.1 in General LLM at #17 against #47.
Reasoning: As of Oct 14, 2026, GPT-5.6 Sol leads GPT-5.1 in Reasoning at #12 against #48.
Science: As of Oct 14, 2026, GPT-5.6 Sol leads GPT-5.1 in Science at #13 against #48.
Coding › Web dev: As of Oct 14, 2026, GPT-5.6 Sol leads GPT-5.1 in Coding › Web dev at #21 against #75.
Long context: As of Oct 14, 2026, GPT-5.6 Sol leads GPT-5.1 in Long context at #13 against #54.
Factuality: As of Oct 14, 2026, GPT-5.6 Sol leads GPT-5.1 in Factuality at #14 against #37.
Abstraction (ARC): As of Oct 14, 2026, GPT-5.6 Sol leads GPT-5.1 in Abstraction (ARC) at #3 against #31.
GPT-5.1 or GPT-5.6 Sol?
As of Oct 14, 2026, GPT-5.1 leads GPT-5.6 Sol in 0 of 7 shared categories.
GPT-5.1 or GPT-5.6 Sol for General LLM?
As of Oct 14, 2026, GPT-5.6 Sol leads GPT-5.1 in General LLM at #17 against #47.
GPT-5.1 or GPT-5.6 Sol for Reasoning?
As of Oct 14, 2026, GPT-5.6 Sol leads GPT-5.1 in Reasoning at #12 against #48.
GPT-5.1 or GPT-5.6 Sol for Science?
As of Oct 14, 2026, GPT-5.6 Sol leads GPT-5.1 in Science at #13 against #48.