# GPT-5.6 Terra vs GPT-5 Mini

As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5 Mini in 6 of 6 shared categories: General LLM, Reasoning, Science, Long context, Factuality, and Abstraction (ARC).

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

GPT-5 Mini: $0.6875 per 1M blended tokens.

GPT-5.6 Terra: closed weights.

GPT-5 Mini: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5 Mini in General LLM at #44 against #165.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5 Mini in Reasoning at #41 against #169.
- Which to pick, Science: As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5 Mini in Science at #15 against #81.
- Which to pick, Long context: As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5 Mini in Long context at #54 against #187.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5 Mini in Factuality at #28 against #146.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-5.6 Terra leads GPT-5 Mini in Abstraction (ARC) at #4 against #41.

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).

As of Oct 15, 2026, GPT-5 Mini is a former state-of-the-art holder in Math (since Sep 29, 2025; sources Humanity's Last Exam; methodology v1.0).