In this episode, I am joined by Eric Min Jun Kim, an engineer who’s focused unbuilding consumer AI apps , we dive deep into the process of building character voice apps only using AI. Eric shares his process and demonstrates how to use tools such as Daily Bots, Cursor AI and Next js, to create and deploy apps in hours. Learn how to launch your next startup without needing to know how to code!
00:00 Intro
03:01 Key tools for building voice AI and setting up
06:55 Testing Audio Functionality
08:42 Understanding the Daily Bots Configuration
12:16 Characters are the “new apps”
14:38 Exploring Function Calling Documentation
17:35 Implementing Weather Functionality
25:26 Testing the Weather Bot
28:47 Deployment of the Application
32:16 Eric Demo’s his VTuber Voice App (get inspired)
1) The power of AI voice apps:
• Create wow-worthy demos in minutes
• 10X improvement over text-based chatbots
• Exciting & easy to build, even for coding newbies
2) Key tools for building voice AI:
•Daily – handles the heavy lifting (voice, LLMs, etc.)
• Daily Bots – simplifies LLM integration
• Cursor – AI-powered code editor
• Next.js – React framework for easy deployment
3) Setting up your AI assistant:
• Clone Daily Bots demo repo
• Get API key from Daily dashboard
• Paste key in .env.local file
• Run "yarn dev" command
• Access locally at localhost URL
4) Customizing your AI’s personality:
•Edit the config file to create new characters
• Modify prompts to shape AI behavior
• Pro tip: Think of characters as the new apps!
5) Adding function calling (e.g., weather reports):
• Define tools in config file
• Align function names across files
• Set up API routes in Next.js
• Get creative with responses (e.g., "raining cats and dogs")
6) Deploying your app:
• Use Vercel (creators of Next.js) for easy hosting
• Install Vercel CLI
• Run "vercel" command in project directory
• App goes live in minutes!
7) Taking it further:
• Build iOS apps from web-based prototypes
• Explore more advanced tools like Pipecat for greater control
• Consider creating VTuber-style experiences
8) Key takeaways:
• Start small, build incrementally
• Leverage existing demos and tools
• Focus on creating viral-worthy moments
• The future of apps = AI characters!
9) Want to see the end result?
• Check out Eric’s VTuber FaceTime app featuring Minji, an AI-powered anime character you can chat with!
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