Compare · 2026-10-15
GPT-5.4 Pro vs GPT-5.6 Sol
As of Oct 15, 2026, GPT-5.4 Pro leads GPT-5.6 Sol in 1 of 2 shared categories: Science.
| Category | GPT-5.4 Pro | GPT-5.6 Sol |
|---|---|---|
| General LLM | — | #17 · #17 in General LLM Margin 9.042553191489361 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #— · Not enough data Margin — Epoch AI benchmarking hub · Mar 5, 2026 | #12 · #12 in Reasoning Margin 6.914893617021278 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #6 · Was SOTA · Math Margin 11.111111111111114 Epoch AI benchmarking hub · Mar 5, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #6 · #6 in Science Margin — Epoch AI benchmarking hub · Mar 5, 2026 | #13 · #13 in Science Margin — Epoch AI benchmarking hub · Jul 9, 2026 |
| Coding | — | #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 | — | #23 · Was SOTA · Coding › Web dev Margin 17.599999999999994 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | — | #13 · #13 in Long context Margin 6.914893617021278 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | — | #3 · Near-SOTA · Vision Margin 10.526315789473685 Epoch AI benchmarking hub · Jul 9, 2026 |
| Factuality | #— · Not enough data Margin — Epoch AI benchmarking hub · Mar 5, 2026 | #15 · #15 in Factuality Margin 9.302325581395351 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Mar 5, 2026 | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 9, 2026 |
Price per 1M tokens
GPT-5.4 Pro: $67.5 per 1M blended tokens.
GPT-5.6 Sol: $8.000000000000002 per 1M blended tokens.
Open weights
GPT-5.4 Pro: closed weights.
GPT-5.6 Sol: closed weights.
Which to pick
Science: As of Oct 15, 2026, GPT-5.4 Pro leads GPT-5.6 Sol in Science at #6 against #13.
Abstraction (ARC): As of Oct 15, 2026, GPT-5.6 Sol leads GPT-5.4 Pro in Abstraction (ARC) at #3 against #8.
GPT-5.4 Pro or GPT-5.6 Sol?
As of Oct 15, 2026, GPT-5.4 Pro leads GPT-5.6 Sol in 1 of 2 shared categories: Science.
GPT-5.4 Pro or GPT-5.6 Sol for Science?
As of Oct 15, 2026, GPT-5.4 Pro leads GPT-5.6 Sol in Science at #6 against #13.
GPT-5.4 Pro or GPT-5.6 Sol for Abstraction (ARC)?
As of Oct 15, 2026, GPT-5.6 Sol leads GPT-5.4 Pro in Abstraction (ARC) at #3 against #8.