# GPT-5.4 Pro vs O3

As of Oct 15, 2026, GPT-5.4 Pro leads O3 in 3 of 3 shared categories: Math, Science, and Abstraction (ARC).

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

O3: $3.5 per 1M blended tokens.

GPT-5.4 Pro: closed weights.

O3: closed weights.

- Which to pick, Math: As of Oct 15, 2026, GPT-5.4 Pro leads O3 in Math at #6 against #20.
- Which to pick, Science: As of Oct 15, 2026, GPT-5.4 Pro leads O3 in Science at #6 against #67.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-5.4 Pro leads O3 in Abstraction (ARC) at #8 against #37.

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 is a former state-of-the-art holder in General LLM (since Jul 28, 2025; sources LMArena Text (style-controlled, overall); methodology v1.0).