Vapi by Vapi, Inc.
Overview
Developer platform and API for building, testing and deploying voice AI agents for phone and web calls, combining third-party speech-to-text, language model and text-to-speech providers.
Vapi was downloaded 570K times from npm and PyPI in the week ending Oct 4, 2026, up 19.8% on the week before and up 13.1% over the last 30 days compared with the 30 before.
Vapi usage and attention over time
Download the raw daily series: vapi.csv
Install Vapi
| npm | npm install @vapi-ai/web |
|---|---|
| npm | npm install @vapi-ai/server-sdk |
| PyPI | pip install vapi-server-sdk |
These commands use the packages tracked on this page. The vendor may recommend a different installer; see the official documentation.
Key facts
| Maker | Vapi, Inc. |
|---|---|
| Type | Voice agent platform (API) |
| License | — |
Pricing
Pay-as-you-go from $0 with $5 free credit and a $0.05/min Vapi hosting fee; speech-to-text, model, voice and telephony are billed on top at provider rates. Plans are Core $29/mo, Pro from $999/mo and Premier (custom).
Source: official pricing page, checked Oct 6, 2026. Prices change often; confirm before you buy.
Pulse Score breakdown
Each component is scored 0 to 100 from public signals; a dash means no data for it. Methodology.
Vapi alternatives
| # | Agent | Pulse | Downloads 7d | 7d | 30d | VS Code installs | Stars | Latest release | Price | Last 90 days | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 18 |
ElevenLabs AgentsElevenLabs |
59 | 2.2M | up 4.2% | up 30.8% | — | — | — | Free + $0.08/extra minute | ||
| 38 |
Retell AIRetell AI |
50 | 617K | up 15.6% | up 15.8% | — | — | — | Free + $0.055/min | ||
| 39 |
LiveKit AgentsLiveKit |
50 | 988K | up 12.9% | — | — | 14.6K+33/day | 1.8.45d ago | Free (OSS) | ||
| 70 |
PipecatDaily |
39 | 260K | up 8.9% | down 17.5% | — | 16.2K+38/day | 1.12.010d ago | Free (OSS) | ||
| 129 |
SynthflowSynthflow AI |
16 | — | — | — | — | — | — | Custom | — | |
| 136 |
Bland AIBland |
12 | — | — | — | — | — | — | Free + $0.14/min | ||
| No agents match that filter. | |||||||||||
Head to head: Vapi vs ElevenLabs Agents · Vapi vs Retell AI · Vapi vs LiveKit Agents · Vapi vs Pipecat
Vapi FAQ
How much does Vapi cost?
Pay-as-you-go from $0 with $5 free credit and a $0.05/min Vapi hosting fee; speech-to-text, model, voice and telephony are billed on top at provider rates. Plans are Core $29/mo, Pro from $999/mo and Premier (custom).
Is Vapi open source?
No. Vapi is a proprietary product from Vapi, Inc..
How popular is Vapi?
Vapi was downloaded 570K times from npm and PyPI in the week ending Oct 4, 2026, up 19.8% on the week before and up 13.1% over the last 30 days compared with the 30 before.
What are the alternatives to Vapi?
The closest alternatives in the same category by Pulse Score are ElevenLabs Agents, Retell AI, LiveKit Agents, Pipecat.
Where these numbers come from
npm: @vapi-ai/web, @vapi-ai/server-sdk. PyPI: vapi-server-sdk. Site rank: vapi.ai on the Tranco list. See data sources for how each one is collected.
Product facts and pricing were checked against: vapi.ai, docs.vapi.ai, registry.npmjs.org, pypi.org.