# Claude Fable 5.1 vs GPT-5.4 Mini

As of Oct 15, 2026, Claude Fable 5.1 leads GPT-5.4 Mini in 6 of 6 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, Factuality, and Abstraction (ARC).

Claude Fable 5.1: $20 per 1M blended tokens.

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

Claude Fable 5.1: closed weights.

GPT-5.4 Mini: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Fable 5.1 leads GPT-5.4 Mini in General LLM at #6 against #75.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Fable 5.1 leads GPT-5.4 Mini in Reasoning at #5 against #74.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Fable 5.1 leads GPT-5.4 Mini in Coding › Web dev at #5 against #81.
- Which to pick, Long context: As of Oct 15, 2026, Claude Fable 5.1 leads GPT-5.4 Mini in Long context at #6 against #87.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Fable 5.1 leads GPT-5.4 Mini in Factuality at #1 against #65.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, Claude Fable 5.1 leads GPT-5.4 Mini in Abstraction (ARC) at #3 against #36.

As of Oct 15, 2026, Claude Fable 5.1 is tied for state of the art in Factuality (since Oct 2, 2026; sources LMArena Text factuality; methodology v1.0).

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).