# Claude Fable 5.1 vs GLM 4.6

As of Oct 15, 2026, Claude Fable 5.1 leads GLM 4.6 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

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

GLM 4.6: $0.875 per 1M blended tokens.

Claude Fable 5.1: closed weights.

GLM 4.6: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Fable 5.1 leads GLM 4.6 in General LLM at #6 against #114.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Fable 5.1 leads GLM 4.6 in Reasoning at #5 against #116.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Fable 5.1 leads GLM 4.6 in Coding › Web dev at #5 against #99.
- Which to pick, Long context: As of Oct 15, 2026, Claude Fable 5.1 leads GLM 4.6 in Long context at #6 against #116.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Fable 5.1 leads GLM 4.6 in Factuality at #1 against #66.

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 4.6 is a former state-of-the-art holder in General LLM (since Nov 5, 2025; sources LMArena Text (style-controlled, overall); methodology v1.0).