voice agent platform

Vowel is an AI company focused on helping platform businesses modernize complex applications more efficiently. We use custom voice models to combine advanced language understanding with fast speech-to-speech performance to deliver voice interactions that feel natural and immediate. We modernize complex web applications at lower cost by adding voice to the interface you already have.

Faster time to value — Automatically identifies common user paths, goals, and key information across up to 80% of existing functionality, with custom tuning available where needed. Learn more

Lower operating cost — Supports public and private cloud as well as self-hosted LLMs, helping control recurring AI expenses while meeting security and compliance needs. Learn more

Lower implementation cost — Wraps around the current UI, reducing the need for major front-end redesign, replatforming, or workflow reengineering. Learn more

Yes. API keys never exposed to browsers, server-side action validation, rate limiting enforced, client-side execution only (your data stays local), and HTTPS required.

Yes. Deploy vowel on your own infrastructure for full control over data, compliance, and scaling. See the Self Hosted section of our docs. .

Yes. Full source code is available on GitHub.

Get started by reviewing our Docs

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Try our vowelbot that automatically adds interactive voice agent capabilities to your existing webapp via a GitHub Action.