V

Vapi

AI Agent

Platform for building AI voice agents

4.1

by Vapi Inc

Starting Price

Free

Free Tier

Yes

API

Available

Platforms

web

Overview

Vapi is a developer platform for building, testing, and deploying AI voice agents. It handles speech-to-text, LLM orchestration, and text-to-speech in real-time, enabling natural phone conversations. Used for customer support, appointment booking, and outbound calling.

Pricing Plans

Free

Free

$10 free credits
~50 min of calls
All voice providers
Dashboard analytics

Pay-as-you-go

Free

$0.05/min base + provider costs
Unlimited calls
All integrations
Webhook support

Popular

Enterprise

Contact Sales

Volume discounts
Dedicated infrastructure
SLA
Custom models

API Pricing: Pay-per-use from $0.05/min

Pros & Cons

Pros

Low-latency voice conversations feel natural
Bring your own LLM, STT, and TTS providers
Pay-per-use pricing scales with usage
Strong developer tools and API documentation

Cons

Requires developer skills to set up
Costs add up with multiple provider layers
Limited no-code builder for non-developers
Relatively new — fewer case studies available

Detailed Ratings

Overall

4.1

Ease of Use

3.8

Value for Money

4.0

Output Quality

4.2

Good For

Best for Business

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Vapi vs Relevance AI

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