Development
Explore Hume AI Empathic v2
Develop emotionally intelligent voice AI with open-source models, datasets, and evaluation APIs.

Hume AI Empathic v2
Develop emotionally intelligent voice AI with open-source models, datasets, and evaluation APIs.
About Hume AI Empathic v2
Overview
- Hume AI functions as a dedicated Emotional Intelligence Lab, offering comprehensive resources to embed advanced emotional understanding into voice AI systems.
- Through extensive research spanning over 50 languages, 48 emotions, and 600 voice descriptors, Hume AI provides a robust foundation for building more empathetic and responsive AI.
- This platform empowers developers with essential open-source models, curated datasets, and evaluation APIs to elevate their voice AI capabilities.
Innovation
- At the core of Hume AI's innovation are cutting-edge models like TADA, an open-source LLM TTS system for simultaneous text and audio streaming, and closed-source offerings such as Octave, a powerful LLM TTS with voice design and cloning, and EVI, an LLM Speech-to-Speech interface featuring interruptibility and expressive instruction following.
- Additionally, their Human Feedback API streamlines the collection of scientifically grounded preference data for robust model evaluation.
- This suite of tools enables the creation of highly nuanced and emotionally aware AI interactions.
Impact
- By providing access to high-quality, annotated speech datasets across diverse domains like gaming, finance, and healthcare, Hume AI significantly enhances model performance and realism.
- These resources allow developers to create voice AI that not only understands complex conversational dynamics but also reproduces emotions accurately and interacts naturally.
- Ultimately, Hume AI is fostering a new generation of voice technology that genuinely connects with users, improving engagement and utility across various applications.
Best For / Use Cases
•Building emotionally intelligent voice assistants.
•Enhancing AI model's emotional understanding.
•Developing highly expressive text-to-speech systems.
•Improving conversational AI realism and naturalness.
•Gathering human preference data for voice AI.
Key Features
Empathic Voice AI
Open-source LLM TTS
Speech-to-Speech models
Curated speech datasets
Human feedback API
Multimodal emotion research
Detailed Pricing Plans
Freemium
Multiple Plans Available
This tool offers a complex, multi-category pricing structure. Please visit the official website to explore all available toolkits and custom plans.

