The Kryotta blog

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

Woman at desk reviewing tax documents with fabric samples and laptop in natural light
AI models

I used 4 AI models to write 140 GST invoice dispute emails: which one per query type

I tested Claude, Gemini, Llama, and GPT-OSS on 140 real GST queries from my textile business. Here's which model handled reverse-charge disputes, GSTIN errors, and amended returns best—and why it mattered.

November 10, 2026 · 11 min read
Ceramic pieces and invoices on a desk beside a laptop in natural morning light
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
Store owner managing returns at desk with boxes, laptop, and kitchen products in natural light
Small business

I used Auto routing for 200 Shopify returns after Black Friday: which model it picked per query

I tracked 206 post-Black Friday returns through Kryotta's Auto routing to see which AI model handled each query type. Here's what the system chose for refunds, exchanges, damaged items, and policy questions.

October 24, 2026 · 9 min read
Freelancer reviewing code on multiple monitors with calculation notes on desk, morning light, focused work environment
Developers

5 myths about model per task for code review that waste your freelance budget

Reasoning models aren't always worth ₹50 per review. Learn which AI models actually save money on code review and when to use them.

October 6, 2026 · 8 min read
Business owner reviewing customer emails at desk with laptop and printed messages in natural morning light
AI models

I used Auto routing for 100 Shopify customer emails: which model it picked and why

I tested Kryotta's Auto routing on 100 customer support emails across two Shopify stores. Here's which AI model it picked for refunds, product questions, and complaints—and whether the routing decisions actually saved money.

September 2, 2026 · 10 min read