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Patter

Open-source voice-AI SDK. The Vapi/Retell alternative for builders who want to own the stack. Give your AI agent a phone number in 4 lines — Python and TypeScript, MIT licensed, Twilio, Telnyx, and Plivo.

Category
Speech-to-text
Type
Open source
Platform
Python project
Pricing
Free / open source
License
MIT
GitHub stars
1,030
Last updated
2026-08-13

GitHub repo →  ·  Website →

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