# GPT-5.4 Pro vs O1 Pro

As of Oct 15, 2026, GPT-5.4 Pro leads O1 Pro in 2 of 2 shared categories: Math and Abstraction (ARC).

GPT-5.4 Pro: $67.5 per 1M blended tokens.

O1 Pro: $262.5 per 1M blended tokens.

GPT-5.4 Pro: closed weights.

O1 Pro: closed weights.

- Which to pick, Math: As of Oct 15, 2026, GPT-5.4 Pro leads O1 Pro in Math at #6 against #32.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-5.4 Pro leads O1 Pro in Abstraction (ARC) at #8 against #68.

As of Oct 15, 2026, GPT-5.4 Pro is a former state-of-the-art holder in Math (since Apr 16, 2026; sources Humanity's Last Exam; methodology v1.0).

As of Oct 15, 2026, O1 Pro is ranked #32 in Math (since Oct 15, 2026; sources Humanity's Last Exam; methodology v1.0).