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Hume AI

Hume AI

Voice AI APIs built around emotion: speech synthesis, a conversational voice interface and expression measurement.

Voice & audioAI models & APIsFree plan available
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Platforms

WebAPI

Overview

Hume AI is a research company building "AI with emotional intelligence," offering text-to-speech, the EVI conversational voice interface and an Expression Measurement API that reads vocal and facial expression. Pricing tiers are set by monthly TTS characters, EVI minutes and concurrent connections, starting with a free plan; overage rates fall as tiers rise. Enterprise covers SOC 2 Type II, GDPR and HIPAA.

Main features

  • Speech synthesis with emotional expression
  • Conversational voice interface (EVI)
  • Expression measurement API
  • Unlimited voice cloning
  • Tiers by concurrent connections
  • SOC 2 Type II, GDPR and HIPAA (Enterprise)

Pricing

Free

Free

Published price (USD) · Source

  • 10,000 TTS characters/month (~10 min)
  • 5 EVI minutes
  • 1 concurrent connection
  • Unlimited voice cloning
  • 3 team seats
  • Discord support

Last verified: September 2026

Starter

$3/month

Published price (USD) · Source

  • 30,000 TTS characters/month (~30 min)
  • 40 EVI minutes
  • 5 concurrent connections
  • Unlimited voice cloning

Last verified: September 2026

Creator

$14/month

Published price (USD) · Source

  • Regularly $14/month (discounted to $7)
  • 140,000 TTS characters/month (~140 min)
  • 200 EVI minutes
  • 5 concurrent connections
  • 75 RPM

Last verified: September 2026

Pro

$70/month

Published price (USD) · Source

  • 1,000,000 TTS characters/month (~1,000 min)
  • 1,200 EVI minutes
  • 10 concurrent connections
  • 75 RPM

Last verified: September 2026

Hume AI publishes one price worldwide and bills in USD. There is no separate price in your local currency.

Screenshots

Hume AI official website
Hume AI official website (captured 2026-09-22)

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