Vapi alternatives
TL;DR: 12 companies doing similar work to Vapi in B2B, ranked by how closely they match what Vapi actually does — not just by category.
How this list was built: every company here is Y Combinator-backed and shares at least one category with Vapi. They are scored on how closely their own description overlaps with Vapi's, and all facts shown come from the YC company records — nothing is estimated.
What are the best alternatives to Vapi?
| Alternative | What it does | Batch | Team | Status |
|---|---|---|---|---|
| Eivod | — | Summer 2007 | 51 | Inactive |
| Stackq | — | Summer 2009 | — | Inactive |
| BitSample | — | Winter 2008 | — | Inactive |
| Authy | Authy is a Two-Factor Authentication platform for developers | Winter 2012 | 201 | Acquired |
| DevCycle | Feature Flag Management Built for Developers | Winter 2014 | 55 | Acquired |
| Lyrebird | Our tech speaks for itself. | Summer 2017 | 13 | Acquired |
| Wit.ai | Natural Language for Developers --Wit is an API that makes it easy… | Winter 2014 | 11 | Acquired |
| Bytebot | Bytebot is the open source container for AI desktop agents. | Summer 2021 | 3 | Acquired |
| Clutch | An easy to integrate library for native iOS applications designed to… | Summer 2011 | 2 | Acquired |
| Deepgram | Building foundational AI for speech transcription and understanding. | Winter 2016 | 115 | Active |
| Trigger | Better PhoneGap. | Winter 2008 | 11 | Inactive |
| Hamming AI | Complete QA platform for voice agents | Summer 2024 | 10 | Active |
Is Vapi still active?
Vapi is still operating, so switching is a choice rather than a forced migration. Compare on fit and price rather than urgency.
How was this list put together?
Every company here is Y Combinator-backed and shares at least one category with Vapi. They are then ranked on how closely their own description overlaps with Vapi's, so the closest matches come first rather than whoever happens to share a tag.