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Cast
Audiobook generation
Turn chapters into expressive narration with designed voices, consistent delivery, and predictable cost.
Narrate books and courses without per-character pricing surprises.
How it works
- 1
Pick narrator style
Use Voice Designer or a cloned voice for the project's sound.
- 2
Batch chapters
Render long-form audio with async Cast pricing.
- 3
Review and revise
Regenerate sections with direction changes for pacing, emotion, or emphasis.
Common questions
How do I keep narration consistent across chapters?
Pick a narrator style with Voice Designer or a cloned voice, then batch chapters through async Cast rendering for consistent delivery.
What if a section needs a different read?
Regenerate just that section with direction changes for pacing, emotion, or emphasis.
How is it priced?
Async Cast rendering keeps the cost predictable, without per-character pricing surprises.
Get an API key. Make a phone agent.
Sandbox keys never bill. Fund a live key when you go to production.