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Hume AI
Text to speech
Freemium

Hume AI

Hume AI offers an Empathic Voice Interface (EVI) and emotion-aware APIs to build AI applications that understand and respond to human emotional expressions with high accuracy.

Rating
0
Reviews
0
Upvotes
3 months ago
Listed
Text to speech
Speech to speech
Emotion AI
Voice cloning
Voice interface
Sentiment analysis
Developer tools
Multimodal AI
Tool information
Provider
Hume AI
Platforms
Web
API
Languages
English
Japanese
Korean
Spanish
French
Portuguese
Italian
German
Russian
Hindi
Arabic
API Available
Yes
Added to directory
3 months ago
Last updated
about 1 month ago
Rating
Not available
Pricing
Freemium

About Hume AI

What the tool does and who it's for

Hume AI is a research-led technology company that provides an advanced empathic AI toolkit designed to understand and respond to human emotions. Its flagship product, the Empathic Voice Interface (EVI), is a multimodal speech-to-speech model that processes vocal tone, prosody, and language to provide human-like interactions with low latency. The platform also offers the Octave LLM-based text-to-speech system and expression measurement APIs that analyze audio, video, and text for over 30 dimensions of emotion. These tools are built on a decade of scientific research to help developers create emotionally intelligent applications across customer service, healthcare, and education.

Key capabilities

Empathic Voice Interface (EVI): A speech-to-speech model with integrated emotional intelligence and interruptibility.
Octave TTS: An LLM-based text-to-speech system that understands context and emotion for natural delivery.
Expression Measurement: APIs to detect over 30 emotional dimensions from audio, facial expressions, and text.
Voice Cloning: Rapidly create custom voice models with as little as 10 seconds of audio data.
Acting Instructions: Guide voice delivery using natural language like 'sound excited' or 'speak slowly'.
Low Latency: Real-time processing with generation speeds typically under 200ms.
Interoperability: EVI can be integrated with external LLMs such as GPT-4 or Claude while maintaining its expressive voice.
Conversation Analytics: Access full transcripts and emotional sentiment data through a dedicated Chat History API.

Pricing

Freemium — plans below

Free

$0

  • 10,000 TTS characters per month
  • 5 EVI minutes included
  • Non-commercial use only
  • 1 concurrent connection
  • Unlimited custom voices

Starter

$3/mo

  • 30,000 TTS characters per month
  • 40 EVI minutes included
  • Non-commercial use only
  • 5 concurrent connections
  • Access to Octave 1 and 2

Creator

Most popular

$14/mo

  • 140,000 TTS characters per month
  • 200 EVI minutes included
  • Commercial license
  • 5 concurrent connections
  • Usage-based overages ($0.15/1k chars)

Pro

$70/mo

  • 1,000,000 TTS characters per month
  • 1,200 EVI minutes included
  • Commercial license
  • 10 concurrent connections
  • Usage-based overages ($0.12/1k chars)

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