# Claude Fable 5.1 vs Gemini 3.5 Flash

As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in 7 of 7 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, Vision, Factuality, and Abstraction (ARC).

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

Gemini 3.5 Flash: $3.375 per 1M blended tokens.

Claude Fable 5.1: closed weights.

Gemini 3.5 Flash: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in General LLM at #6 against #25.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in Reasoning at #5 against #35.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in Coding › Web dev at #5 against #52.
- Which to pick, Long context: As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in Long context at #6 against #33.
- Which to pick, Vision: As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in Vision at #6 against #29.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in Factuality at #1 against #14.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, Claude Fable 5.1 leads Gemini 3.5 Flash in Abstraction (ARC) at #3 against #12.

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 3.5 Flash is ranked #12 in Abstraction (ARC) (since Oct 15, 2026; sources ARC-AGI; methodology v1.0).