# Claude Fable 5.1 vs GLM 5.2

As of Oct 15, 2026, Claude Fable 5.1 leads GLM 5.2 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.

GLM 5.2: $1.7799999999999998 per 1M blended tokens.

Claude Fable 5.1: closed weights.

GLM 5.2: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Fable 5.1 leads GLM 5.2 in General LLM at #6 against #28.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Fable 5.1 leads GLM 5.2 in Reasoning at #5 against #33.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Fable 5.1 leads GLM 5.2 in Coding › Web dev at #5 against #25.
- Which to pick, Long context: As of Oct 15, 2026, Claude Fable 5.1 leads GLM 5.2 in Long context at #6 against #28.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Fable 5.1 leads GLM 5.2 in Factuality at #1 against #35.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, Claude Fable 5.1 leads GLM 5.2 in Abstraction (ARC) at #3 against #29.

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, GLM 5.2 is a former state-of-the-art holder in Coding › Web dev (since Jun 18, 2026; sources LMArena WebDev; methodology v1.0).