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Cast

Podcast narration AI

Produce emotionally directed podcast narration and host reads with Cast and Voice Designer.

Studio-feeling voice production at long-form API economics.

Try Cast See pricing

How it works

  1. 1

    Design the voice

    Create a host, narrator, or branded voice with Voice Designer.

  2. 2

    Direct emotion

    Guide tone, pacing, emphasis, and delivery for each segment.

  3. 3

    Render long form

    Use Cast async synthesis for episode-scale audio, with commercial rights included.

Built on

CastCinematic, emotional long-form TTS for podcasts, narration, and audiobooks.SpeakSpeak - text-to-speech (TTS) that starts in milliseconds.

Common questions

Can I direct the performance?

Yes. You guide tone, pacing, emphasis, and delivery for each segment instead of accepting one flat read.

How do I create the host voice?

Design a host, narrator, or branded voice with Voice Designer.

Can I use the audio commercially?

Yes. Cast async synthesis renders episode-scale audio with commercial rights included.

Choose how you want to start.

Use an instant sandbox key for the API, or open Agents Beta and build without code. Sandbox usage never bills. Live keys require available credit.

Build with the API Launch an Agent

Agents is live in beta. Sandbox keys have daily limits and never touch billing.