# GPT-5.4 Pro vs O3 Mini

As of Oct 15, 2026, GPT-5.4 Pro leads O3 Mini in 2 of 2 shared categories: Science and Abstraction (ARC).

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

O3 Mini: $1.9250000000000003 per 1M blended tokens.

GPT-5.4 Pro: closed weights.

O3 Mini: closed weights.

- Which to pick, Science: As of Oct 15, 2026, GPT-5.4 Pro leads O3 Mini in Science at #6 against #76.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-5.4 Pro leads O3 Mini in Abstraction (ARC) at #8 against #51.

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, O3 Mini is a former state-of-the-art holder in Reasoning (since Feb 9, 2025; sources LMArena Text (style-controlled, hard prompts); methodology v1.0).