Guides

Field notes on AI, security and shipping software.

What we tell clients in scoping calls, written down: costs, failure modes and the honest limits of each technique. Long-form, no slides.

• // ai

  AI agent vs chatbot: what actually changes when the software starts doing the work

  A chatbot answers questions. An agent does the work. The difference in architecture, cost and risk — explained for teams choosing between the two.

  3 min read

• // ai

  Private AI vs public models: when your data cannot leave the building

  GDPR, trade secrets and client contracts: when a public LLM is fine, when you need a private one, and what "private" actually means in 2026.

  3 min read

• // ai

  RAG, without the jargon: letting AI answer from your own documents

  Retrieval-augmented generation explained without the jargon: how a company knowledge base chatbot works, what it costs and the three ways it fails.

  3 min read

• // ai

  How much does an AI receptionist cost? Three honest answers

  AI receptionist costs in 2026: DIY builders for tens per month, vertical SaaS around €49 flat, custom builds at five figures. How to compare real TCO.

  4 min read

• // software

  WhatsApp Business API costs, explained without the fine print

  Free app vs Business Platform, per-conversation pricing by category, 24-hour windows and how to estimate your real monthly WhatsApp bill.

  4 min read

• // ai

  How to stop a chatbot from making things up

  Why chatbots invent answers and the countermeasures that actually work: grounding, refusal rules, low temperature, format constraints and a fixed eval set.

  4 min read

• // security

  The LLM security checklist we run before any launch

  A practical pre-launch checklist distilled from the OWASP LLM Top 10: prompt injection, tool access, output handling, supply chain, logging and rate limits.

  4 min read

• // software

  How to modernize a legacy system without rewriting it

  Why big-bang rewrites fail and the strangler fig pattern that works: seams, anti-corruption layers, and how to migrate behaviour, not structure.

  4 min read

• // automation

  AI automation ROI: where automation actually pays

  Three filters for choosing what to automate with AI: volume, structured inputs, reversibility — plus the classic mistake that kills ROI before it starts.

  4 min read

• // software

  How much does it cost to build an MVP in 2026?

  Real MVP cost bands for 2026: no-code at four figures, studio builds at five, internal teams at salary times months — plus the hidden costs nobody quotes.

  4 min read

Have a problem that is not in the list?

A short scoping call is usually enough to map your situation to a concrete engagement.