Voice AI Suite
Last Updated: April 10, 2026

Free Voice AI Agent
Cost Calculator

Calculate the full-stack cost of running a Voice AI agent — platform fees, STT, TTS, and LLM backbone — in one place.

Voice AI Agent Cost & Latency

Assumptions:
150 words/min speaking rate1 word ≈ 1.3 tokens ≈ 5 chars750 chars/min · 195 tokens/min

Monthly Usage

10,000
100500,000

Platform Provider

Add STT + TTS + LLM costs separately on top of the $0.05/min platform fee

Cost Summary

10,000 min/month

Per Minute

$0.0500

Monthly Total

$500.00

Cost Breakdown

Vapi (all-inclusive)

$500.00/mo

$0.05000/min

Cost Distribution

PDF report

Native vector PDF with your numbers and charts rendered from the same data as this page (no browser screenshot).

Scale Projections

1,000 min

$50.00

per month

10,000 min

$500.00

per month

100,000 min

$5.0k

per month

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Frequently Asked Questions