The Kryotta blog

Guides and comparisons on working with every AI model — Claude, Gemini, Llama, Mistral, DeepSeek and more — plus what we're building.

Small business owner reviewing customer emails at desk with e-commerce materials and candlelight in background

AI Comparison

Claude vs Gemini for Stripe refund emails: I tested 100 angry customer replies

I tested Claude Sonnet 4.5 and Gemini Flash on 100 real angry refund requests across three e-commerce stores. One model kept inventing tracking numbers. Here's what actually works.

August 29, 2026 · 9 min read

Desk with laptop, customer notes, and lit candle in warm light with hand at keyboard

AI Tools

Claude vs Gemini for customer support emails: I tested 200 Shopify refund requests

I tested Claude and Gemini on 200 real Shopify refund requests from my candle shop. Claude writes warmer emails but sometimes overpromises. Gemini is faster and sticks to policy—here's which one actually works better.

August 18, 2026 · 9 min read