# GPT-5.4 Nano vs GPT-5.6 Terra

As of Oct 15, 2026, GPT-5.4 Nano leads GPT-5.6 Terra in 0 of 6 shared categories.

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

GPT-5.6 Terra: $4.5 per 1M blended tokens.

GPT-5.4 Nano: closed weights.

GPT-5.6 Terra: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5.4 Nano in General LLM at #35 against #114.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5.4 Nano in Reasoning at #35 against #109.
- Which to pick, Science: As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5.4 Nano in Science at #15 against #73.
- Which to pick, Long context: As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5.4 Nano in Long context at #46 against #120.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5.4 Nano in Factuality at #24 against #98.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5.4 Nano in Abstraction (ARC) at #4 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-5.6 Terra is ranked #4 in Abstraction (ARC) (since Oct 15, 2026; sources ARC-AGI; methodology v1.0).