# Claude Fable 5.1 vs Gemini 3 Pro Preview

As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3 Pro Preview in 2 of 2 shared categories: Math and Abstraction (ARC).

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

Gemini 3 Pro Preview: price per 1M tokens is unset in the catalog.

Claude Fable 5.1: closed weights.

Gemini 3 Pro Preview: closed weights.

- Which to pick, Math: As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3 Pro Preview in Math at #2 against #8.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3 Pro Preview in Abstraction (ARC) at #3 against #30.

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, Gemini 3 Pro Preview is a former state-of-the-art holder in Math (since Nov 24, 2025; sources Humanity's Last Exam; methodology v1.0).