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Hume AI

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Hume AI creates highly realistic and emotionally expressive AI voices that understand context. It generates human-like speech with natural tones for content like audiobooks and podcasts, and can give AI characters or customer service agents a genuinely empathetic voice.

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OverviewFeaturesUse CasesFAQIntegrationsPricing

About Hume AI

Who It's For

Hume AI helps creators make realistic audio for podcasts, audiobooks, and videos. Developers can add expressive AI voices to their apps. Businesses use it for AI characters, content tools, or to give customer service agents a natural voice.

What You Get

You get AI voices that sound truly human. They understand emotions and context, creating realistic speech. This includes text-to-speech for expressive audio and speech-to-speech for empathetic, real-time talks. It supports many languages and lets you customize voices.

How It Works

Hume AI uses smart models that understand words and their emotional meaning. You can type text to generate speech with chosen emotions. Or, the AI can understand and respond emotionally in a conversation. Developers add these features using simple APIs and SDKs.

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Features & Capabilities

🗣️ Core Voice AI Capabilities

Expressive Text-to-Speech (Octave)

Generates human-like voice from text by understanding context to predict emotions and cadence.

Empathic Speech-to-Speech (EVI)

Processes and generates speech with human-like understanding and emotional nuance.

Multi-language Support

Provides voice AI capabilities in over 11 languages for global applications.

Low-Latency Performance

Delivers fast, real-time voice responses crucial for conversational AI applications.

✍️ Creator Studio Tools

AI Audiobooks

Creates high-quality, multi-character audiobooks from PDFs with directed delivery and publishing options.

Video Voiceovers

Generates expressive voiceovers for videos, ads, or feature-length films, including voice cloning.

Multi-speaker Podcasts

Produces studio-quality, multi-speaker podcast dialogues by selecting and generating voices.

Voice Design Studio

Offers tools to design and customize voices, instruct emotions, and create new voice profiles.

🚀 Developer & Enterprise Solutions

Developer APIs & SDKs

Provides comprehensive tools for integrating realistic, high-quality audio models into various applications and platforms.

AI Character Integration

Powers game characters or AI companions with expressive text-to-speech or speech-to-speech APIs for interactive experiences.

Enterprise Content Creation

Enables integration of realistic AI voices into media creation platforms, offering users access to hundreds of voices.

AI Phone Call Agents

Equips AI customer support or sales agents with the most realistic, low-latency voices for effective phone interactions.

Use Cases

Generating Emotionally Expressive Media Content

Content creators and media companies face challenges in producing high-quality, engaging audio for various formats like audiobooks, podcasts, and video voiceovers. Hume AI's expressive Text-to-Speech and voice cloning technology, powered by emotional intelligence, enables them to effortlessly create realistic, multi-character, and multi-language audio, significantly reducing production time and costs.

Media & EntertainmentFor: Content Creators and Media Production Teams

Building Empathetic AI Companions and Virtual Characters

Developers creating AI companions, virtual assistants, or gaming characters often find it difficult to achieve genuinely human-like and emotionally engaging interactions. Hume AI's Empathic Voice Interface (EVI) empowers these AI entities to not only understand user emotions in real-time but also respond with appropriate emotional expression, creating more realistic and relatable digital interactions across various applications.

Technology & GamingFor: AI Developers and Product Teams

Deploying Emotionally Intelligent Customer Service AI

Traditional AI customer support agents frequently sound robotic and struggle to recognize or respond empathetically to customer emotions, leading to frustration and inefficient service. Hume AI’s Empathic Voice Interface (EVI) allows AI customer service and sales agents to detect real-time emotional cues from callers and respond with human-like empathy and appropriate tone, drastically improving customer satisfaction and call resolution rates.

Customer Experience & Call CentersFor: Customer Service & Sales Teams

Gaining Deeper User & Customer Experience Insights

UX/CX researchers and product teams often struggle to quantitatively measure genuine emotional responses during user interviews, focus groups, or product testing sessions. Hume AI's Expression Measurement and Emotion Analysis capabilities enable the real-time and retrospective analysis of vocal, facial, and verbal cues, providing invaluable data-driven insights into user sentiment, pain points, and overall experience.

Market & User ResearchFor: UX/CX Researchers & Product Managers

Frequently asked questions

Tags

voice synthesismultilingual voice synthesisaudiobook narrationpodcast voiceoverdigital voice acting

Specifications

Deployment
Browser
API
Target Audience
Individual
Startup
Business
Enterprise
Complexity
Developer

Pricing

Free

Per monthly

Free
  • Text-to-speech Octave 1 Octave 2
  • Monthly included characters: 10,000 (~10 minutes)
  • RPM (requests per minute): 15
  • Speech-to-speech EVI 3 EVI 4 mini
  • Monthly EVI usage included: 5 minutes
  • Concurrent connections: 1
  • Voice cloning: Create only
  • Support: Discord

Starter

Per monthly

$3
  • Includes all features from the Free plan
  • Monthly included characters: 30,000 (~30 minutes)
  • Projects: 20
  • Monthly EVI usage included: 40 minutes ($0.07/minute)
  • Concurrent connections: 5

Creator

Per monthly

$14
  • Includes all features from the Starter plan
  • Monthly included characters: 140,000 (~140 minutes)
  • Additional characters cost (Usage-based): $0.15/1,000
  • RPM (requests per minute): 75
  • Projects: 1,000
  • Monthly EVI usage included: 200 minutes ($0.07/minute)
  • Voice cloning: Unlimited (create and use)

Pro

Per monthly

$70
  • Includes all features from the Creator plan
  • Monthly included characters: 1,000,000 (~1,000 minutes)
  • Additional characters cost (Usage-based): $0.12/1,000
  • Projects: 3,000
  • Monthly EVI usage included: 1,200 minutes ($0.06/minute)
  • Additional EVI 3 cost (Usage-based): $0.06/minute
  • Concurrent connections: 10

Scale

Per monthly

$200
  • Includes all features from the Pro plan
  • Monthly included characters: 3,300,000 (~3,300 minutes)
  • Additional characters cost (Usage-based): $0.10/1,000
  • RPM (requests per minute): 150
  • Projects: 10,000
  • Monthly EVI usage included: 5,000 minutes ($0.05/minute)
  • Additional EVI 3 cost (Usage-based): $0.05/minute
  • Concurrent connections: 20
  • Team seats: 3

Business

Per monthly

$500
  • Includes all features from the Scale plan
  • Monthly included characters: 10,000,000 (~10,000 minutes)
  • Additional characters cost (Usage-based): $0.05/1,000
  • RPM (requests per minute): 225
  • Projects: 20,000
  • Monthly EVI usage included: 12,500 minutes ($0.04/minute)
  • Additional EVI 3 cost (Usage-based): $0.04/minute
  • Concurrent connections: 30
  • Team seats: 5

Enterprise

Per monthly

Free
  • Includes all features from the Business plan
  • Monthly included characters: As much as you need
  • Additional characters cost (Usage-based): Custom
  • RPM (requests per minute): Custom
  • Projects: As much as you need
  • Voice conversion
  • Commercial license
  • Monthly EVI usage included: As much as you need
  • Additional EVI 3 cost (Usage-based): Custom
  • External LLMs
  • Concurrent connections: As much as you need
  • Voice cloning: Unlimited (create, use and access via API)
  • Team seats: Unlimited
  • Support: Slack
  • Compliance: SOC 2 Type II, GDPR, HIPAA

✓ Free plan • ✓ Plans from $3 / monthly • ✓ Enterprise options

Integrations

Claude Sonnet
Grok
GPT
Niantic Spatial
Inception Point
Vonova

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Links

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