# GPT-5.4 Nano vs GPT-6 Astra

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

GPT-5.4 Nano: $0.4625 per 1M blended tokens.

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

GPT-5.4 Nano: closed weights.

GPT-6 Astra: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-6 Astra leads GPT-5.4 Nano in General LLM at #25 against #114.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-6 Astra leads GPT-5.4 Nano in Reasoning at #23 against #109.
- Which to pick, Science: As of Oct 15, 2026, GPT-6 Astra leads GPT-5.4 Nano in Science at #2 against #73.
- Which to pick, Long context: As of Oct 15, 2026, GPT-6 Astra leads GPT-5.4 Nano in Long context at #22 against #120.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-6 Astra leads GPT-5.4 Nano in Factuality at #25 against #98.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-6 Astra leads GPT-5.4 Nano in Abstraction (ARC) at #1 against #43.

As of Oct 15, 2026, GPT-5.4 Nano is ranked #43 in Abstraction (ARC) (since Oct 15, 2026; sources ARC-AGI; 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).
