# Claude Fable 5.1 vs Gemini 3.8 Flash

As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.8 Flash in 8 of 10 shared categories: General LLM, Reasoning, Math, Coding, Coding › Agentic, Coding › Web dev, Vision, and Factuality.

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

Gemini 3.8 Flash: $1.5 per 1M blended tokens.

Claude Fable 5.1: closed weights.

Gemini 3.8 Flash: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.8 Flash in General LLM at #6 against #7.
- Which to pick, Reasoning: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.8 Flash in Reasoning at #5 against #6.
- Which to pick, Math: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.8 Flash in Math at #2 against #5.
- Which to pick, Coding: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.8 Flash in Coding at #3 against #15.
- Which to pick, Coding › Agentic: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.8 Flash in Coding › Agentic at #3 against #15.
- Which to pick, Coding › Web dev: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.8 Flash in Coding › Web dev at #5 against #27.
- Which to pick, Long context: As of Oct 14, 2026, Gemini 3.8 Flash leads Claude Fable 5.1 in Long context at #5 against #6.
- Which to pick, Vision: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.8 Flash in Vision at #6 against #15.
- Which to pick, Factuality: As of Oct 14, 2026, Claude Fable 5.1 leads Gemini 3.8 Flash in Factuality at #1 against #17.
- Which to pick, Abstraction (ARC): As of Oct 14, 2026, Gemini 3.8 Flash leads Claude Fable 5.1 in Abstraction (ARC) at #1 against #3.

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 3.8 Flash is state of the art on best per dollar in General LLM (since Oct 14, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).