About Portfolio Cases Services Blog Contact 🎙 Talk to AI
EN DE RU
🎙 Talk to AI
Case study · Patented software

NextGen Pathways

“A patented AI trainer for call-center operators that knows exactly what it knows — it answers only from verified training materials, or honestly refuses. Accuracy over fluency.”

Architected & built by Denis Shokhirev · Enterprise AI Architect, Freiburg
★ Patented ● Production
243
Knowledge-base blocks
8+
Caller personas
3
Retrieval tiers
Zero
Hallucinations
The problem

Call-center operators need a safe environment to practice structured phone interviews — handling objections, following questionnaire rules, staying consistent under pressure. Traditional training is expensive, inconsistent and hard to scale. And generic LLM assistants hallucinate — unacceptable in a setting where being wrong costs trust.

What I built

A dual-role AI agent. As a Mentor it explains methodology, reviews mistakes, runs drills and gives structured feedback. As a Respondent it simulates 8+ realistic caller personas — polite, skeptical, rude, busy, evasive — so operators rehearse real conversations safely.

Node.jsTypeScriptReactOpenAIHNSW vector indexSSE streamingDocker
The part that makes it different — zero hallucinations by design

A 3-tier hybrid search over a structured 243-block knowledge base decides how much to trust the model:

  • 1.Similarity > 0.78 → answer directly from the knowledge base.
  • 2.Similarity 0.50–0.78 → the model answers, but strictly guided by real materials.
  • 3.Similarity < 0.50 → an honest refusal: “not in the knowledge base”.

The operator always gets an answer grounded in actual training materials — the system knows exactly what it knows, and what it doesn't.

Why it matters

This is patented, production software. The same architecture transfers to any regulated domain where accuracy beats fluency — compliance training, medical-protocol coaching, legal onboarding, support-script practice — which is exactly where DACH mid-market teams cannot afford a confident wrong answer.

Accuracy-critical AI

Need AI that won't make things up?

If your domain punishes wrong answers — compliance, medical, legal, finance — let's talk about grounded, verifiable AI.

Start a project → More cases