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 4 prompt templates to write 150 Royal Mail delay emails: which formula per situation
I tested 12 prompt formulas for handling Royal Mail delays and found 4 that work. Here's which template to use for each situation—and why the others failed.
I used AI in 6 industries for 90 days: which tasks it finished vs which needed me
I tested AI across six UK businesses for 90 days. Certain tasks—customer replies, invoices, first drafts—came back ready to send. Others, like VAT reconciliation and judgment calls, needed me every time.
I used Auto routing for 220 eBay and Shopify returns: which model it picked per query
I processed 220 return requests over six weeks using Auto routing to pick the best AI model for each query. Here's what it chose and why it mattered for my small business.
OpenAI o1 vs Claude 3.7 Sonnet for Xero invoice reconciliation: I tested 60 reports
I tested OpenAI o1 and Claude 3.7 Sonnet on real invoice reconciliation work—60 transactions, VAT checks, duplicate detection, and missing receipts. Here's what actually worked.
I used AI to process 80 Companies House sole trader invoices in one afternoon: step by step
I tested Claude and Gemini on 80 sole trader invoices: structuring data, verifying Companies House records, and calculating UK VAT. Here's what worked, what failed, and what I'd do differently.
I used 3 reasoning models to debug 40 Shopify checkout errors: which one per bug type
I tested Claude, Gemini, and DeepSeek on 40 real Shopify checkout bugs. Payment timeouts, VAT errors, shipping logic—each model had a sweet spot. Here's which one I reach for first, depending on the bug type.
£18 for ChatGPT or £11 for five AI models: the real cost breakdown for UK stores
ChatGPT Plus costs £18/month in the UK. But for £11, Kryotta gives you 11 text models, multiple image and video tools, and no API fees. Here's the real cost comparison for small business owners.
Claude vs Gemini for VAT returns: I tested 50 B2C invoices and refund credits
I tested Claude Sonnet 4.5 and Gemini Pro on 50 real VAT invoices—UK sales, Irish cross-border, and refund credits. Here's which model handles each scenario correctly, and why format matters as much as math.
I used 3 AI models to review 25 TypeScript pull requests: which one caught the VAT rounding bug
I tested Claude, DeepSeek, and Gemini on 25 TypeScript pull requests. DeepSeek caught a VAT rounding bug that would have cost a client thousands—here's how each model performed.
7 prompt templates for real work: emails, listings, code review and WhatsApp replies
Seven copy-paste prompt templates for emails, product listings, code review, and customer replies. Built for actual work, tested on Claude, Gemini and DeepSeek.
5 myths about AI product videos that waste your Instagram ad budget
Most AI product video myths stem from poor execution, not the technology itself. The real barrier isn't cost or quality—it's knowing what actually works for Instagram ads.
The £0 to £40 AI image and video checklist for product ads: what works and what fails
Test AI visuals for free before spending £40 a month. This checklist shows UK sellers what works in product ads—from choosing the right aspect ratio to writing prompts that actually convert.