7 Voice AIs. 1 App. 429 Tests. $0
If you've been wanting to add voice AI to your project but can't decide which provider to use...
I felt the same way.
So I built something using my own 'Apex Spec System' (https://github.com/moshehbenavraham/apex-spec-system).
It's called Voice Agent PuPuPlatter.
(Yes, like the appetizer sampler at a Chinese restaurant.)
One app. Seven voice AI providers. All in one tabbed interface.
Here's what's included:
→ ElevenLabs (Widget + SDK modes)
→ OpenAI Realtime API
→ xAI Grok
→ Ultravox
→ Vapi
→ Retell
You can switch between them instantly and compare the experience yourself.
Each provider has:
• Real-time transcripts
• Audio visualization
• Function calling demos
• Automatic reconnection
The UI is modern glassmorphism design.
Works on mobile.
Fully accessible.
If interested, I also recorded a video tutorial series showing exactly how to set up your own ElevenLabs agent from scratch (links in the Repo).
5 videos. Step by step.
Tech stack if you're curious:
React 19 + TypeScript + Vite + Tailwind CSS
429+ tests included.
Docker support for easy deployment.
It's 100% free and open source.
Let me know which voice provider you've been eyeing!
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Max Gibson
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7 Voice AIs. 1 App. 429 Tests. $0
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