Octave

Hume's flagship expressive text-to-speech model with natural-language emotion control.

What is Octave?

Octave is Hume AI's flagship text-to-speech model, designed for context-aware and emotionally expressive speech generation. Users can describe a voice in plain language or choose from over 100 preset voices, then steer delivery with natural-language emotion instructions. It generates speech with low latency and native word-level timestamps, and is available through Hume's TTS playground and API, with free starter credits for new accounts.

Key features

  • Expressive text-to-speech with emotion control
  • Natural-language voice descriptions
  • 100+ preset voices and voice cloning
  • Word-level timestamps
  • Low-latency speech generation
  • API and web playground

Pros

  • Context-aware emotional expression
  • Natural-language voice design
  • Free starter credits

Cons

  • Requires Hume platform account and API credits
  • Model-focused offering rather than a full end-user app

Octave at a glance

PricingFreemium
CategoryCoding & Development
Platformsweb, api
CompanyHume
Official websitehume.ai
text-to-speechTTSvoice modelemotionAI model

How to choose the right Coding & Development tool

The right coding tool depends on where you write code and how much of your codebase it can understand. IDE integration is the first filter — a tool that lives in your editor, sees your project files and respects your stack will help far more than a general chatbot you paste snippets into. Look for accurate completions, clear explanations of suggested changes, and strong refactoring and debugging support for your main languages. Privacy deserves real attention: check whether your code is used for training, and whether a self-hosted or enterprise option exists for sensitive projects. Price against the hours it actually saves — most developers feel the difference within the first week of real use.

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Octave FAQs

What is Octave?

Octave is Hume AI's flagship text-to-speech model, designed for context-aware and emotionally expressive speech generation. Users can describe a voice in plain language or choose from over 100 preset voices, then steer delivery with natural-language emotion instructions. It generates speech with low latency and native word-level timestamps, and is available through Hume's TTS playground and API, with free starter credits for new accounts.

What are the main features of Octave?

Octave offers Expressive text-to-speech with emotion control, Natural-language voice descriptions, 100+ preset voices and voice cloning, Word-level timestamps, Low-latency speech generation and API and web playground.

How much does Octave cost?

Octave follows a freemium model: a free tier is available, and paid plans unlock higher limits and advanced features. Check its official website for current plan prices.

What are the pros and cons of Octave?

Strengths of Octave include Context-aware emotional expression; Natural-language voice design; Free starter credits. On the downside, Requires Hume platform account and API credits; Model-focused offering rather than a full end-user app.