Vapi
Developer platform for building, testing, and deploying voice AI agents.
Developers building production voice agents with full API control over models, voices, and telephony.
You want a no-code builder — Vapi is developer-first.
About Vapi
Vapi vs. the alternatives
All voice agents →| Agent | Stars | Pricing | ||
|---|---|---|---|---|
| Vapi | — | — | — | Paid product |
| xiaozhi-esp32-server | 10.0k | JavaScript | MIT | Open source |
| ten-vad | 2.2k | C | — | Open source |
| bailing | 1.7k | Python | MIT | Open source |
| RCLI | 1.5k | C++ | MIT | Open source |
| CyberVerse | 1.4k | Python | GPL-3.0 | Open source |
