# Claude Fable 5.1 vs Gemini 2.5 Flash Preview 09 2025

As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 2.5 Flash Preview 09 2025 in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.

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

Gemini 2.5 Flash Preview 09 2025: price per 1M tokens is unset in the catalog.

Claude Fable 5.1: closed weights.

Gemini 2.5 Flash Preview 09 2025: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 2.5 Flash Preview 09 2025 in General LLM at #6 against #111.
- Which to pick, Reasoning: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 2.5 Flash Preview 09 2025 in Reasoning at #5 against #112.
- Which to pick, Long context: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 2.5 Flash Preview 09 2025 in Long context at #6 against #105.
- Which to pick, Factuality: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 2.5 Flash Preview 09 2025 in Factuality at #1 against #88.

As of Oct 14, 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 14, 2026, Gemini 2.5 Flash Preview 09 2025 is ranked #88 in Factuality (since Oct 14, 2026; sources LMArena Text factuality; methodology v1.0).