# GPT-5.4 Pro vs GPT-6 Astra

As of Oct 15, 2026, GPT-5.4 Pro leads GPT-6 Astra in 0 of 3 shared categories.

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

GPT-6 Astra: $20 per 1M blended tokens.

GPT-5.4 Pro: closed weights.

GPT-6 Astra: closed weights.

- Which to pick, Math: As of Oct 15, 2026, GPT-6 Astra leads GPT-5.4 Pro in Math at #1 against #6.
- Which to pick, Science: As of Oct 15, 2026, GPT-6 Astra leads GPT-5.4 Pro in Science at #2 against #6.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-6 Astra leads GPT-5.4 Pro in Abstraction (ARC) at #1 against #8.

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, GPT-6 Astra is state of the art in Math (since Sep 28, 2026; sources Humanity's Last Exam; methodology v1.0).