# 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: $3.4375000000000004 per 1M blended tokens.

GPT-5.6 Sol: $8.000000000000002 per 1M blended tokens.

GPT-5.1: closed weights.

GPT-5.6 Sol: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, GPT-5.6 Sol leads GPT-5.1 in General LLM at #17 against #47.
- Which to pick, Reasoning: As of Oct 14, 2026, GPT-5.6 Sol leads GPT-5.1 in Reasoning at #12 against #48.
- Which to pick, Science: As of Oct 14, 2026, GPT-5.6 Sol leads GPT-5.1 in Science at #13 against #48.
- Which to pick, Coding › Web dev: As of Oct 14, 2026, GPT-5.6 Sol leads GPT-5.1 in Coding › Web dev at #21 against #75.
- Which to pick, Long context: As of Oct 14, 2026, GPT-5.6 Sol leads GPT-5.1 in Long context at #13 against #54.
- Which to pick, Factuality: As of Oct 14, 2026, GPT-5.6 Sol leads GPT-5.1 in Factuality at #14 against #37.
- Which to pick, Abstraction (ARC): As of Oct 14, 2026, GPT-5.6 Sol leads GPT-5.1 in Abstraction (ARC) at #3 against #31.

As of Oct 14, 2026, GPT-5.1 is ranked #18 in Math (since Oct 14, 2026; sources Humanity's Last Exam; methodology v1.0).

As of Oct 14, 2026, GPT-5.6 Sol is near state of the art, rank #3 in Vision (since Oct 14, 2026; sources GDP.pdf; methodology v1.0).