How to Build Voice AI Tools for Business With Smallest.ai | Best Voice AI

How to Build Voice AI Tools for Business With Smallest.ai | Best Voice AI

J
Jon Law
337 Video Views·Apr 27, 2026

Try Voice AI on Smallest: https://app.smallest.ai/?utm_source=Youtube&utm_medium=influencer&utm_campaign=vc_atoms&utm_content=jlaw

In this video: I clone my voice in under a minute and use it to build an AI agent that can answer my business phone 24/7, pull answers from a custom knowledge base, and book callers straight into my calendar — all without sounding like a robot. We also get into outbound cold calling campaigns, text-to-speech for video narration, and dubbing the same voice into other languages. Everything is built inside Smallest AI, and you can follow along completely free.

CHAPTERS:
0:00 What This AI Voice Agent Can Do
0:24 In This Video
0:48 Why AI Voice Solves Business Bottlenecks
1:36 What is Smallest AI? Lightning + Adams Platform
1:52 Why Use Smallest AI (Latency, SDKs, Compliance)
2:37 How to Try Smallest AI for Free
3:01 Smallest AI Dashboard Walkthrough
3:18 Demo 1: Voice Cloning with Smallest AI
3:52 Recording Your Voice to Clone
4:10 Instant Voice Clone Created
4:25 Testing and Adjusting the Cloned Voice
4:55 Demo 2: Building an Inbound AI Voice Agent
5:57 Setting Up a Knowledge Base for Your Agent
6:53 Creating a Voice Agent from Templates
7:19 Single Prompt vs Conversational Flow Agents
7:31 Writing the Voice Agent System Prompt
8:01 Using Claude to Expand the Agent Prompt
8:32 Connecting Cloned Voice and Knowledge Base
8:56 Live Test: Calling the AI Voice Agent
9:36 Publishing the Agent & Transfer Call Feature
9:59 Setting Up Outbound AI Cold Calling Campaigns
10:40 Demo 3: Text-to-Speech for Video Narration
11:10 Multi-Language Voice Cloning (Spanish Dubbing)
11:42 Analytics and API Access for Developers
12:12 Recap: What We Built
12:27 Try Smallest AI for Free

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