# Claude Fable 5.1 vs Gemma 4 31B

As of Oct 15, 2026, Claude Fable 5.1 leads Gemma 4 31B 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.

Gemma 4 31B: price per 1M tokens is unset in the catalog.

Claude Fable 5.1: closed weights.

Gemma 4 31B: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Fable 5.1 leads Gemma 4 31B in General LLM at #6 against #67.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Fable 5.1 leads Gemma 4 31B in Reasoning at #5 against #64.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Fable 5.1 leads Gemma 4 31B in Coding › Web dev at #5 against #90.
- Which to pick, Long context: As of Oct 15, 2026, Claude Fable 5.1 leads Gemma 4 31B in Long context at #6 against #53.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Fable 5.1 leads Gemma 4 31B in Factuality at #1 against #60.

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, Gemma 4 31B is tied for state of the art in General LLM (since Oct 8, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).