# GPT-5.4 Pro vs O4 Mini

As of Oct 15, 2026, GPT-5.4 Pro leads O4 Mini in 3 of 3 shared categories: Math, Science, and Abstraction (ARC).

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

O4 Mini: $1.9250000000000003 per 1M blended tokens.

GPT-5.4 Pro: closed weights.

O4 Mini: closed weights.

- Which to pick, Math: As of Oct 15, 2026, GPT-5.4 Pro leads O4 Mini in Math at #6 against #23.
- Which to pick, Science: As of Oct 15, 2026, GPT-5.4 Pro leads O4 Mini in Science at #6 against #70.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-5.4 Pro leads O4 Mini in Abstraction (ARC) at #8 against #39.

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