Last Updated
Overview
Hume AI software enables developers to build emotionally intelligent voice applications using empathic voice interfaces, real-time emotion detection, and expressive speech generation. It supports conversational AI and automation use cases. However, it primarily supports English, limiting non-English use. Still, its strong emotional modeling creates more natural, engaging voice experiences.
Hume AI Specifications
- Text To Speech & Speech To Text
- Natural Language Dialogue
- Multi-Language Support
- Context Awareness
Hume AI Features
Training Data
Hume AI provides a comprehensive Training Data suite consisting of curated voice datasets designed to power emotionally intelligent AI models. It includes multilingual recordings, expressive speech, and richly annotated emotional labels across 50+ languages, 48+ emotions, and 600+ voice descriptors. This enables developers to train, refine, and scale realistic voice systems with high emotional and contextual accuracy.
Model Architecture
Hume AI uses a modular voice AI architecture designed to improve emotional intelligence, latency, and realism across speech systems. It combines TADA for low-latency, low-hallucination text-to-audio streaming, EVI for empathic speech-to-speech interaction with contextual understanding, and Octave for expressive text-to-speech generation. This layered model approach enables scalable, emotionally adaptive, and production-ready voice AI systems.
Human Feedback API
The software provides a Human Feedback API that enables developers to launch structured evaluation studies and collect high-quality human feedback on voice models in hours instead of days. It leverages expert-designed psychological measurement frameworks to assess qualities like listenability, audio quality, and smoothness, helping teams refine and benchmark voice AI performance more effectively.
Octave
Hume AI’s Octave is an advanced text-to-speech system designed to generate emotionally expressive, natural-sounding speech that reflects human tone, pacing, and mood. It enables users to select, clone, or design custom voices using natural language descriptions and apply acting instructions for precise emotional delivery. With real-time streaming output, it supports fast, responsive voice generation for interactive applications.
Empathic Voice Interface
This feature enables the development of voice-first AI systems that understand and respond to human emotion in real time. It supports natural, emotionally aware conversations at scale by integrating with leading language models. With barge-in capability, contextual memory, and real-time streaming, it helps create responsive, human-like voice agents for interactive applications.
Expression Measurement
A comprehensive system for decoding human expression across voice, face, and text. It identifies subtle emotional cues with research-backed precision using advanced affective computing models. By combining multimodal signals, it enables accurate sentiment analysis, expressive understanding, and context-aware interpretation for applications requiring deep emotional intelligence.
Pros And Cons of Hume AI
Pros
Enhances user engagement through emotional responsiveness
Delivers innovative AI-driven emotional intelligence technology
Provides flexible and customizable API solutions
Cons
Requires technical expertise for smooth integration
Presents a steep learning curve for beginners
Hume AI Pricing
Free | Starter | Creator | Pro |
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$0 | $3 per month | $14 per month | $70 per month |
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Disclaimer: The pricing details were last updated on Aug 18, 2026 from the vendor's website. Please contact us for a tailored pricing list.
Hume AI Reviews
Total 4 reviews
4.8
All reviews are from verified customers
Rating Distribution
5
Stars75%
4
Stars25%
3
Stars0%
2
Stars0%
1
Stars0%
Share your experience
Rishab Mehra
Not Specified, N/A employees
“excellent emotional speech insights”
Pros
Working with this tool has helped us get a much better read on emotional signals in speech! Their Expression Measurement Model performs better than anything else we've tested when it comes to picking up emotional cues from prosody and vocal patterns instead of depending only on text based sentiment.
Cons
I haven't come across any problems with this software.
Rating Distribution
Ease of use
10
Value for money
10
Customer Support
10
Functionality
10
jenalyn suson
Not Specified, N/A employees
“Promising tool”
Pros
This feels like a real step forward in emotionally intelligent AI! Instead of staying limited to "just text" or "just voice" it comes across as much more in tune with the way people actually communicate and express themselves. In areas where user experience and emotional connection really matter like therapy, customer support or interactive agents it seems like a very solid choice. If they keep refining the nuance and handle ethical guardrails carefully this could genuinely change human AI interaction in a way that feels much more natural and authentic.
Cons
Didn't notice any issues with the platform.
Rating Distribution
Ease of use
10
Value for money
10
Customer Support
10
Functionality
10
Sofia Lane
Not Specified, N/A employees
“natural voices for creators”
Pros
The voices come across as natural and pleasant to listen to, there's a good variety of narrators to choose from and the delivery can be adjusted which makes it a strong option for content creators.
Cons
The downside is that it only performs well in English. Other languages are available but the accents and pronunciation stress make the output less convincing. Another issue is that during testing I couldn't find any option to export the voiceover as a file such as for adding it to a video.
Rating Distribution
Ease of use
8
Value for money
8
Customer Support
8
Functionality
8
Frequently Asked Questions
Does Hume AI offer an API?
Yes, Hume AI provides API access.
Does Hume AI have a mobile app?
Yes, Hume AI offers a mobile app.
What language does Hume AI support?
Hume AI supports the English language.
What types of pricing plans does Hume AI offer?
Hume AI pricing starts at $3/month for the Starter plan and includes additional tiers such as Free ($0), Creator ($14/month), Pro ($70/month), Scale ($200/month), Business ($500/month), and Enterprise (custom pricing) to support different usage levels and organizational needs. Request a custom Hume AI price quotation.
What other apps does Hume AI integrate with?
The software integrates with third-party applications, including Agora, LiveKit, Twilio, VAPI, and the Vercel AI SDK.
Who are the typical users of Hume AI?
Hume AI software serves a wide range of industries and sectors, including AI companions, automotive assistants, interviews, phone calling, publishers, media and entertainment, and security and fraud detection.
What level of support does Hume AI offer?
Hume AI provides support via email and Discord.