GPT-5.4 vs GPT-5.6 Sol
As of Oct 15, 2026, GPT-5.4 leads GPT-5.6 Sol in 1 of 7 shared categories: Factuality.
| Category | GPT-5.4 | GPT-5.6 Sol |
|---|---|---|
| General LLM | #30 · Was SOTA · General LLM Margin 15.957446808510639 LMArena leaderboard dataset · Oct 13, 2026 | #17 · #17 in General LLM Margin 9.042553191489361 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #32 · #32 in Reasoning Margin 17.55319148936171 LMArena leaderboard dataset · Oct 13, 2026 | #12 · #12 in Reasoning Margin 6.914893617021278 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #9 · #9 in Math Margin 17.777777777777757 Epoch AI benchmarking hub · Mar 5, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #16 · #16 in Science Margin — Epoch AI benchmarking hub · Mar 5, 2026 | #13 · #13 in Science Margin — Epoch AI benchmarking hub · Jul 9, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #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 | #60 · #60 in Coding › Web dev Margin 47.2 LMArena leaderboard dataset · Oct 13, 2026 | #23 · Was SOTA · Coding › Web dev Margin 17.599999999999994 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #40 · #40 in Long context Margin 21.276595744680847 LMArena leaderboard dataset · Oct 13, 2026 | #13 · #13 in Long context Margin 6.914893617021278 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 | #6 · Was SOTA · Factuality Margin 4.0697674418604635 LMArena leaderboard dataset · Oct 13, 2026 | #15 · #15 in Factuality Margin 9.302325581395351 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #10 · #10 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Mar 5, 2026 | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 9, 2026 |
GPT-5.4: $5.625 per 1M blended tokens.
GPT-5.6 Sol: $8.000000000000002 per 1M blended tokens.
GPT-5.4: closed weights.
GPT-5.6 Sol: closed weights.
General LLM: As of Oct 15, 2026, GPT-5.6 Sol leads GPT-5.4 in General LLM at #17 against #30.
Reasoning: As of Oct 15, 2026, GPT-5.6 Sol leads GPT-5.4 in Reasoning at #12 against #32.
Science: As of Oct 15, 2026, GPT-5.6 Sol leads GPT-5.4 in Science at #13 against #16.
Coding › Web dev: As of Oct 15, 2026, GPT-5.6 Sol leads GPT-5.4 in Coding › Web dev at #23 against #60.
Long context: As of Oct 15, 2026, GPT-5.6 Sol leads GPT-5.4 in Long context at #13 against #40.
Factuality: As of Oct 15, 2026, GPT-5.4 leads GPT-5.6 Sol in Factuality at #6 against #15.
Abstraction (ARC): As of Oct 15, 2026, GPT-5.6 Sol leads GPT-5.4 in Abstraction (ARC) at #3 against #10.
GPT-5.4 or GPT-5.6 Sol?
As of Oct 15, 2026, GPT-5.4 leads GPT-5.6 Sol in 1 of 7 shared categories: Factuality.
GPT-5.4 or GPT-5.6 Sol for General LLM?
As of Oct 15, 2026, GPT-5.6 Sol leads GPT-5.4 in General LLM at #17 against #30.
GPT-5.4 or GPT-5.6 Sol for Reasoning?
As of Oct 15, 2026, GPT-5.6 Sol leads GPT-5.4 in Reasoning at #12 against #32.
GPT-5.4 or GPT-5.6 Sol for Science?
As of Oct 15, 2026, GPT-5.6 Sol leads GPT-5.4 in Science at #13 against #16.