The Kryotta blog

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

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AI Models

I used 4 AI models to write 120 Jumia product descriptions: which one got clicks in Accra

A Jumia seller tested Claude, Gemini, Llama, and Mistral on 120 product descriptions in Accra. Claude won on clicks with mobile-first copy that converted 3.4%—here's what each model cost and how shoppers responded.

November 3, 2026 · 9 min read

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AI models

I used 3 AI models to write 95 Klarna late-payment reminder emails: which tone got paid

I tested three AI models writing 95 overdue payment reminders in different tones. The results showed tone mattered far more than which model I used—and the most effective approach surprised me.

November 2, 2026 · 10 min read