Voice AI

What over 1000 Hours of AI Training Taught Me

I’ve been tracking my time for over a decade using a time-tracking tool called 'Hravest'. So

Four LLM Failure Modes and One User Failure Mode

As I crossed over 1000 hours working with AI, I discovered 4 LLM failure modes and 1 user failure mode.

Run both Voice AI agent and test simulator on the same model

Your Voice AI Agent uses a specific LLM model: Make sure your test simulator (feature used for simulation testing) uses

Most AI Projects Fail. But Yours Will Succeed.

Most AI projects fail esp at the enterprise level. “95% of enterprise AI and GenAI pilots fail to achieve measurable

Retell AI Current Time Awareness has a reliability problem.

Retell AI ships a feature called Current Time Awareness.  You set a timezone, and the platform is meant to inject

The 80/20 Rule of Voice Agent Development

I have been testing a voice agent for the last 3 weeks. That seems like a lot of testing. Yes,

Understanding Retell AI Transfer Screening Agents.

Open the Retell AI dashboard, and you will find a tab labelled "Transfer Screening Agents."  Click on the

Abuse Ladder in Voice AI - Stop hostile calls from spiralling

What is the Abuse Ladder in Voice AI? The abuse ladder is a short, structured response script for when a

When to split your voice agent - The Bleed Test Framework.

I built Mark, a voice receptionist for an HVAC company. He runs on Retell, the platform we use to host

The Realistic Latency Target for Voice Agents.

Gemini 3.1 Flash-Lite Works Well for Voice AI.

Gemini 3.1 Flash-Lite is one of the best models for production voice AI right now. It is fast,

Use Contractions to make voice agents sound more natural

A contraction is a shortened form of two words, usually made by replacing missing letters with an apostrophe. Examples: Using

Avoid Using Tag Questions in Voice Agent Confirmations

If your voice agent ends calls too early, skips confirmations, or sounds like it is reading a script instead of

Claude Beats ChatGPT for Voice AI Agents

The following is the virtual receptionist for a dental clinic, powered by GPT 5.1 (It's the one

Installing Caveman to Cut Claude Code Token Costs by 75%

What Is Caveman? Caveman is a Claude Code skill that makes Claude respond like a caveman, stripping out all the

How to A/B Test in Retell AI

Most businesses deploy a voice AI agent and just hope it works. The smart ones test two versions against each

Automated Alerts in Retell AI to Monitor Voice AI Operations

Running a voice AI operation without monitoring is like driving at night with your headlights off. Everything might be fine

Self-hosted n8n webhooks not working? Here is the fix.

If you've self-hosted n8n on a VPS and your webhooks from Retell AI, GoHighLevel, Twilio, or any

How to Correctly Self Host n8n on Hostinger VPS.

Self-hosting n8n is not optional but a necessary evil.  When a single workflow can use up to 80% of

The correct way to setup Cal.com for Voice AI.

Cal.com is an open-source, API-driven scheduling platform you can run hosted or self-hosted.  Unlike Calendly, it

CRMs like GHL are overkill for building Voice AI Agents.

Using a CRM (like GHL) is Overkill for Voice AI Agent Development. ‘GoHighLevel’ (GHL) is a great AI-first CRM

Voice AI Knowledge Base Creation Best Practices

In this guide, I show you what content to include in the knowledge base (KB) versus the global and state-

LLMs can hallucinate even the most reliable data sources.

When you use tools like ChatGPT, Perplexity, or other AI assistants for topics such as GA4, GTM, or BigQuery, it’

How to build Cost Efficient Voice AI Agent

The Hidden Cost of Ignoring Tokens in Voice Agent Design. Many people new to voice agents ignore token usage because

When to Add Booking Functionality to Your Voice AI Agent.

Not all Voice AI agents require booking functionality (scheduling/rescheduling/cancelling appointments). And if you provide such functionality without due

Without IP your AI company is worth nothing.

Without IP (intellectual property) your AI company is worth nothing. Imagine Lovable starts selling its codebase. Keep that in mind,

AI Automation Agency Pricing Rules

The following are the 14 Rules to pricing automation that I learned from those who came before me (the agency

How to Prevent Toll Fraud in Retell AI

What is Toll Fraud (also called International Revenue Sharing Fraud)? Fraudsters trick people or companies into making very expensive calls

Voice AI - Build once -> Sell many -> Collect monthly forever.

I decided at the beginning of this year to niche down early in the AI space. Best decision I made.

State Machine Architectures for Voice AI Agents

Voice AI agents are built with different levels of state machine architecture: Understanding these architectures is critical for building voice