# GPT-5.5 vs GPT-6 Sol

As of Oct 14, 2026, GPT-5.5 leads GPT-6 Sol in 4 of 8 shared categories: General LLM, Reasoning, Long context, and Factuality.

GPT-5.5: $11.25 per 1M blended tokens.

GPT-6 Sol: $4.000000000000001 per 1M blended tokens.

GPT-5.5: closed weights.

GPT-6 Sol: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, GPT-5.5 leads GPT-6 Sol in General LLM at #21 against #43.
- Which to pick, Reasoning: As of Oct 14, 2026, GPT-5.5 leads GPT-6 Sol in Reasoning at #25 against #39.
- Which to pick, Science: As of Oct 14, 2026, GPT-6 Sol leads GPT-5.5 in Science at #8 against #30.
- Which to pick, Coding › Web dev: As of Oct 14, 2026, GPT-6 Sol leads GPT-5.5 in Coding › Web dev at #7 against #44.
- Which to pick, Long context: As of Oct 14, 2026, GPT-5.5 leads GPT-6 Sol in Long context at #23 against #49.
- Which to pick, Vision: As of Oct 14, 2026, GPT-6 Sol leads GPT-5.5 in Vision at #9 against #10.
- Which to pick, Factuality: As of Oct 14, 2026, GPT-5.5 leads GPT-6 Sol in Factuality at #5 against #70.
- Which to pick, Abstraction (ARC): As of Oct 14, 2026, GPT-6 Sol leads GPT-5.5 in Abstraction (ARC) at #6 against #7.

As of Oct 14, 2026, GPT-5.5 is a former state-of-the-art holder in General LLM (since Apr 28, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Oct 14, 2026, GPT-6 Sol is ranked #5 in Coding (since Oct 14, 2026; sources Terminal-Bench 4.0; methodology v1.0).