What is Hume AI?

Content last verified May 4, 2026 · by the AI Tools Set Research Team

Hume AI is an emotionally intelligent voice AI platform. Its Octave 2 speech-LLM understands the context of a script and lets developers control emotional delivery with plain-language instructions, powering empathetic assistants, wellness apps and AI companions that sound genuinely human.

Key Features of Hume AI

Human Feedback API: Get scientifically grounded preference feedback for your model.
Curated Speech Datasets: Access a library of high-quality, annotated speech datasets for voice AI tasks.
Emotional Intelligence Models: Use pre-built models to embed emotional intelligence into your voice models.
RESTful API: Create and manage evaluation studies programmatically.
Conversational Audio: Access datasets with turn-taking, interruptions, and multi-speaker dynamics.
Multilingual Audio: Use native speaker recordings across 50+ languages.
Voice Realism: Access datasets with prosody, intonation, pacing, and expressive range.
Domain-Specific Datasets: Access industry-tailored datasets for healthcare, finance, and more.

Pros & Cons

Pros

✓

High-quality, annotated speech datasets

✓

Emotional intelligence models

✓

Human feedback API

✓

RESTful API

✓

Multilingual audio support

Cons

✗

Limited information on pricing tiers

✗

No mobile app or browser extension

✗

Limited social media presence

Pricing

Free

$0 /month

✓Access to human feedback API

✓Limited access to curated speech datasets