Ryo shows how to use Gemini, ChatGPT, and Claude for A 20‑minute side hustle
Ryo, a 13‑hour‑day office worker and father, explains how he builds side‑hustle assets in just 20 minutes a day using three major AI chat tools. He compares ChatGPT, Claude, and Gemini on usability, speed, and content quality, then shares his own workflow that relies heavily on Gemini for drafting note articles and Gemini Notebook for YouTube scripts.
Key points
- Gemini offers fastest response and real‑time Google Search integration.
- Claude excels at natural Japanese prose but has strict free‑tier limits.
- Ryo uses Gemini for note articles and Gemini Notebook for YouTube scripts, achieving a 20‑minute daily side hustle.
The guide highlights Gemini’s rapid response and real‑time Google Search integration, Claude’s natural Japanese prose and strict free‑tier limits, and ChatGPT’s versatility but formulaic output. Ryo’s method involves collecting ideas on his phone, feeding them to Gemini, and refining the draft with minimal editing. He also demonstrates how Gemini Notebook can pull from uploaded PDFs and memos to produce accurate, brand‑consistent scripts.
Readers learn three practical steps: try Gemini’s free version on a smartphone, experiment with emotional prompts, and finally organize materials in Gemini Notebook to automate content creation.
[Definitive Edition] ChatGPT, Claude, Gemini... Which one should you actually use? A complete guide for beginners and the 'AI usage strategy' discovered by a dad working 13
note.com · 23 September 2026
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