Patter

The premium Open Source alternative to Vapi

🎯 Best for:Developers wanting full control over their voice-AI infrastructure.

What is Patter?

Replaces managed voice-AI services with a self-hosted Python and TypeScript SDK. It integrates directly with Twilio and Telnyx for low-latency telephony agents.

Tech Stack
PythonAI, ML & Data

Why Patter?

  • Low latency
  • MIT licensed
  • Simple API

Limitations

  • Requires Twilio/Telnyx
  • Limited to voice
  • No GUI
6/8/2026
Last Update
53
Forks
2
Issues
MIT
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to Patter instantly boosts your runway.

Competitor Cost
-$1,440
/ year (est. based on Vapi)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

Community Discussion

Comments