# GPT-5.4 Pro vs GPT-6 Luna

As of Oct 15, 2026, GPT-5.4 Pro leads GPT-6 Luna in 2 of 2 shared categories: Science and Abstraction (ARC).

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

GPT-6 Luna: $0.19999999999999998 per 1M blended tokens.

GPT-5.4 Pro: closed weights.

GPT-6 Luna: closed weights.

- Which to pick, Science: As of Oct 15, 2026, GPT-5.4 Pro leads GPT-6 Luna in Science at #6 against #33.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-5.4 Pro leads GPT-6 Luna in Abstraction (ARC) at #8 against #22.

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 Luna is state of the art on best per dollar in Coding (since Oct 14, 2026; sources Terminal-Bench 4.0; methodology v1.0).