# GPT-5.6 Sol vs O4 Mini

As of Oct 14, 2026, GPT-5.6 Sol leads O4 Mini in 5 of 5 shared categories: General LLM, Reasoning, Science, Factuality, and Abstraction (ARC).

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

O4 Mini: $1.9250000000000003 per 1M blended tokens.

GPT-5.6 Sol: closed weights.

O4 Mini: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, GPT-5.6 Sol leads O4 Mini in General LLM at #17 against #125.
- Which to pick, Reasoning: As of Oct 14, 2026, GPT-5.6 Sol leads O4 Mini in Reasoning at #12 against #129.
- Which to pick, Science: As of Oct 14, 2026, GPT-5.6 Sol leads O4 Mini in Science at #13 against #70.
- Which to pick, Factuality: As of Oct 14, 2026, GPT-5.6 Sol leads O4 Mini in Factuality at #14 against #122.
- Which to pick, Abstraction (ARC): As of Oct 14, 2026, GPT-5.6 Sol leads O4 Mini in Abstraction (ARC) at #3 against #39.

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).

As of Oct 14, 2026, O4 Mini is a former state-of-the-art holder in Math (since Jul 20, 2025; sources Humanity's Last Exam; methodology v1.0).