Hume AI

★★★★☆4.3 / 5 editorial Paid API pricing is usage-based, with free credits to start building — check the official site for current rates.

Emotionally intelligent voice AI that hears and expresses feeling.

✓ Editor-verified listing — details reviewed by Grab AI Tool editors; pricing re-checked regularly.

Visit Site ♡ 1,967 saves

#text to speech#voice ai#emotion ai#voice agents#api

What is Hume AI?

Hume AI builds voice technology around emotion: its Empathic Voice Interface lets applications hold spoken conversations that detect and respond to a user's emotional state, while its Octave text-to-speech model generates voices that can laugh, whisper and shift tone on instruction. Developers access both through APIs, with expression-measurement tools for analysing recorded voices as well.

Wellness, education and support applications are the natural fit — anywhere a flat robotic voice undermines trust. Hume's emotion claims are grounded in published affective-science research, though real-world accuracy still varies by speaker and context. It is a developer platform rather than a consumer app, so expect API keys and usage pricing instead of a friendly studio interface.

Key Features

Empathic Voice Interface (EVI)
Expressive text-to-speech (Octave)
Emotion measurement for audio
Voice cloning
APIs and SDKs for developers

Pros

Emotion-aware conversation is genuinely distinctive
Expressive TTS with acting direction
Research-backed approach to emotion

Cons

Developer-only — no consumer studio
Emotion detection is not infallible
Usage costs scale with volume

Pricing

Model: Paid
API pricing is usage-based, with free credits to start building — check the official site for current rates.

Adding Up Your AI Bill?

If you pay for Hume AI alongside other AI subscriptions, the monthly total adds up quietly. Tick every tool you pay for in our free AI Tool Cost Calculator to see your real monthly and yearly bill — and spot overlaps you can cut. Still choosing? Start with our guide on how to choose the right AI tool.