# Vapi [15 voice-agent](https://www.agentlist.io/categories/voice-agent)/[Vapi](https://www.agentlist.io/ai/vapi)/ACTIVE Vapi is the developer platform for voice agents: API-first orchestration of STT, LLM, TTS, and telephony so you can put an agent on a phone number in minutes — and swap every layer. - [Voice I/O](https://www.agentlist.io/capabilities/voice) - [Human handoff](https://www.agentlist.io/capabilities/human-handoff) - [API-native](https://www.agentlist.io/capabilities/api-native) SEC.01 ## What it does - 01API-first voice orchestration - 02Bring-your-own models - 03Sub-second latency stack - 04Inbound + outbound calls - 05Tools/function calling mid-call - 06Telephony included or BYO SEC.02 ## Who it's for Developers building voice products who want full control of the stack without owning telephony plumbing. PRICING ## Pricing Usage-based: ~$0.05/min platform fee + model/telephony costs. List prices as checked against the vendor's pricing page on 2026-09-25; plans change often, so confirm before deciding. caveat · before you adopt The headline ~$0.05/min is the platform fee — STT/LLM/TTS/telco stack on top; real cost at volume needs careful provider choices. ALT ## Other voice agents (6) [Bland AI Bland AI · voice-agent api/voice · cloud · Usage-based per-minute; enterprise plans](https://www.agentlist.io/systems/bland) [Retell AI Retell AI · voice-agent api/voice · cloud · Usage-based (~$0.07+/min); enterprise plans](https://www.agentlist.io/systems/retell) [Synthflow Synthflow · voice-agent api/voice · cloud · Plans from ~$29/mo; per-minute overages](https://www.agentlist.io/systems/synthflow) [ElevenLabs Agents ElevenLabs · voice-agent api/voice · cloud · Included in ElevenLabs plans; per-minute credits](https://www.agentlist.io/systems/elevenlabs-agents) [Deepgram Voice Agent Deepgram · voice-agent api/voice · cloud · Pay-as-you-go per-minute (~$0.08/min) — verify](https://www.agentlist.io/systems/deepgram-voice-agent) [Grok Voice Agent API xAI · voice-agent api/voice · cloud · $0.08/min agent audio; telephony +$0.01/min; STT $0.10-0.20/hr; TTS $4.20/M chars](https://www.agentlist.io/systems/grok-voice) VS ## Head-to-head (1) - [→Vapi vs Retell AI](https://www.agentlist.io/compare/vapi-vs-retell) FAQ ## Frequently asked ### What is Vapi? Vapi is the developer platform for voice agents: API-first orchestration of STT, LLM, TTS, and telephony so you can put an agent on a phone number in minutes — and swap every layer. ### Who is Vapi for? Developers building voice products who want full control of the stack without owning telephony plumbing. ### How much does Vapi cost? Usage-based: ~$0.05/min platform fee + model/telephony costs. List prices as checked against the vendor's pricing page on 2026-09-25; plans change often, so confirm before deciding. ### Does Vapi run locally or in the cloud? Vapi runs in the vendor's cloud. Its interfaces are an API or protocol, a live voice/phone channel. ### What are alternatives to Vapi? Other voice agent entries in the catalog: Bland AI, Retell AI, Synthflow, ElevenLabs Agents, Deepgram Voice Agent, Grok Voice Agent API. Different categories solve the same problem differently — see the Voice & phone agents category page for tradeoffs. ### What should I know before adopting Vapi? The headline ~$0.05/min is the platform fee — STT/LLM/TTS/telco stack on top; real cost at volume needs careful provider choices. Spec sheet **Name**: Vapi **Vendor**: [Vapi](https://www.agentlist.io/ai/vapi) **Category**: [Voice & phone agents](https://www.agentlist.io/categories/voice-agent) **Interfaces**: api · voice **Hosting**: cloud **Pricing**: Usage-based: ~$0.05/min platform fee + model/telephony costs **Status**: actively maintained **Integrates**: - [Twilio / PSTN](https://www.agentlist.io/integrations/twilio) **Speaks**: - [PSTN / SIP](https://www.agentlist.io/transports/pstn-sip) - [WebRTC](https://www.agentlist.io/transports/webrtc) **Record ID**: `sys://vapi/vapi` **Verified**: [2026-09-25](https://www.agentlist.io/changelog) Sources - [↗ vapi.ai](https://vapi.ai/) - [↗ docs.vapi.ai](https://docs.vapi.ai/) - [↗ vapi.ai/pricing](https://vapi.ai/pricing) Catalog entries are editorial records, not paid placements or endorsements. Pricing and status are approximate as of the seed date. --- Source: [Vapi — VOICE-AGENT by Vapi | agentlist.io](https://www.agentlist.io/systems/vapi). This is the public page rendered as Markdown; interactive controls require the website.