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

I used AI to answer 6 questions about Black Friday prep that freelancers actually ask
I tested Claude, Gemini, and DeepSeek to answer the questions freelancers actually ask about Black Friday prep—from email sequences to product images that won't get rejected by Meta.

I used 4 AI models to write 160 SEPA mandate rejection emails: which one per bank
A Berlin bookkeeper tested four AI models on 160 failed SEPA mandate emails and picked different ones for each bank type. Here's which model worked best for Sparkasse, N26, Revolut, and others.

5 myths about new AI models that waste your USD budget on WhatsApp commerce
Newer AI models don't always justify their cost for WhatsApp shops. We tested real customer messages and found that expensive reasoning models often waste money on simple queries like stock checks and delivery questions.

I made 42 product shots for Boxing Day sales with Stability AI: which prompts passed and which got returns
I generated 42 product images with Stability AI for Boxing Day sales. Twenty-six went live, but some triggered returns. Here's which prompts worked, which failed, and what cost me £340.

I used Claude vs Gemini to write 100 Klarna dispute responses: which one per claim
I tested Claude and Gemini on 103 real Klarna disputes from my outdoor gear shop. Claude won overall, but each model dominated different claim types—here's which one to use for what.

I used 4 prompt templates to write 200 eBay buyer messages: which formula per situation
I tested four structurally different prompt formulas across 200 real eBay messages and watched my rating climb from 4.9 to 4.8. Here's which formula works for each situation.

I used Compare to test 4 AI models on 90 M-Pesa dispute responses: which one per claim
A Nairobi kitchenware seller tested four AI models on 90 real M-Pesa disputes to find which one handled each claim type best—and cut response time from hours to minutes.

5 myths about prompt templates for WhatsApp Business that waste your automation budget
I wasted ₹18,000 on WhatsApp automation chasing myths about template design. One flexible prompt structure cut my manual work from 42% to 11% and dropped costs by 60%.

I used Claude vs Gemini to write 100 Etsy return policies: which one reduced disputes
I tested Claude and Gemini by writing 100 Etsy return policies across eight shops. Claude reduced disputes by 41%, Gemini by 28%. Here's what worked.

I paid ₦35,000 for ChatGPT Plus then built the same workflow for ₦19,500: the breakdown
A Lagos fashion seller ditched ₦35,000/month ChatGPT Plus for a ₦19,500 multi-model setup. Here's how she split customer service, product listings, and dispute handling across Gemini Flash, Claude, and GPT-4o—and what actually broke.

I made 55 product shots with Stability AI then Reels with Luma: checklist for what fails
I generated 55 product shots with AI and made 6 Reels. 32 failed. Here's the checklist I built to stop wasting renders on shadows that don't match, fabric that looks flat, and ads that don't convert.

I used 4 AI models to write 150 VAT return queries for HMRC: which one per case type
I tested 4 AI models writing 150 VAT return queries to HMRC across late filing penalties, input tax disputes, Making Tax Digital errors, and scheme eligibility questions. Here's which model handled each case type best.