# GPT-5.4 Mini vs GPT-5.5

As of Oct 15, 2026, GPT-5.4 Mini leads GPT-5.5 in 0 of 7 shared categories.

GPT-5.4 Mini: $1.6875 per 1M blended tokens.

GPT-5.5: $11.25 per 1M blended tokens.

GPT-5.4 Mini: closed weights.

GPT-5.5: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-5.5 leads GPT-5.4 Mini in General LLM at #22 against #75.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-5.5 leads GPT-5.4 Mini in Reasoning at #26 against #74.
- Which to pick, Science: As of Oct 15, 2026, GPT-5.5 leads GPT-5.4 Mini in Science at #30 against #52.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-5.5 leads GPT-5.4 Mini in Coding › Web dev at #48 against #81.
- Which to pick, Long context: As of Oct 15, 2026, GPT-5.5 leads GPT-5.4 Mini in Long context at #26 against #87.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-5.5 leads GPT-5.4 Mini in Factuality at #5 against #65.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-5.5 leads GPT-5.4 Mini in Abstraction (ARC) at #7 against #36.

As of Oct 15, 2026, GPT-5.4 Mini is ranked #36 in Abstraction (ARC) (since Oct 15, 2026; sources ARC-AGI; methodology v1.0).

As of Oct 15, 2026, GPT-5.5 is near state of the art, rank #5 in Factuality (since Oct 15, 2026; sources LMArena Text factuality; methodology v1.0).