Narrator sample
A single-narrator passage of descriptive prose — pacing, tone, and clarity tuned for long-form listening.
0:13Download MP3
Turn your manuscript into narrated chapter audio.
Upload or paste a chapter, cast a narrator, preview the voice, confirm rendering cost, and export private chapter audio inside Ottopen.
Your manuscript stays yours. Ottopen does not sell your work or use your drafts to train its own models.
Create a free account, start or import a manuscript, open Audiobook Studio, and generate a short preview before producing final chapter audio.
You can start writing free. Final chapter downloads require Audiobook Studio.
Hear what your manuscript could become.
AI-narrated preview samples generated from manuscript excerpts.
Dialogue sample
A two-character exchange showing distinct cast voices and natural back-and-forth delivery.
0:12Download MP3
Genre sample
An atmospheric, genre-flavored excerpt — the mood a narrator brings to your opening chapter.
0:17Download MP3
Preview samples are for demonstration. Final output depends on your manuscript, selected voices, and render settings.
From manuscript to chapter audio.
Upload or paste a chapter
Choose narrator and character voices
Preview short samples
Confirm render cost before final audio
Export private chapter audio
Keep the manuscript, notes or story bible, and audio together
Why produce audio inside Ottopen?
Your manuscript, notes, story bible, or framework stay connected
Chapter previews connect back to the source chapter
Character voice notes, author tone, examples, exercises, or key concepts can live beside the audio plan
Revision, adaptation, narration planning, and audio production happen in one workspace
Render cost is shown before final audio
Failed renders are not billed
Built for authors who already have a manuscript.
- Finished or near-finished fiction authors
- Business and self-help authors turning expertise into audio
- Memoir writers who want to hear and refine their chapters
- Serial fiction or audio-first creators
- Indie authors testing audiobook demand
- Writers who want chapter previews before paying for full production
- Authors who want manuscript, notes, structure, and audio production in one workspace
- Authors expecting guaranteed Audible or ACX acceptance
- Users who specifically want human narration
- Users who want full-service publishing management
Ottopen produces AI narration inside your writing workspace — it isn’t a human-narration or full-service publishing service, and it can’t guarantee any platform’s acceptance.
Audiobook Studio — $100/month
Includes 25,000 final characters per month. New subscribers also receive a one-time 62,500-character narration credit on first activation — enough room to test a meaningful portion of a manuscript before committing to a full-book workflow.
Final rendering is metered — Ottopen shows the estimated cost before each render, and failed renders are not billed. Additional usage runs on prepaid credit packs purchased in-app.
Use exported audio for review, private distribution, proofing, direct sales, or platforms that accept AI-narrated audio. Always confirm the rules of your publishing platform before submitting AI-narrated work.
Audiobook Studio questions.
Can I use Ottopen for nonfiction, business, self-help, or memoir?
Yes. Ottopen is built for authors working on fiction, nonfiction, business, self-help, memoir, expert-led books, and audio-first projects. Some tools, like story bible and continuity, are especially useful for fiction, while notes, frameworks, examples, and chapter structure help nonfiction authors organize and revise their work.
Do I need a finished manuscript?
No. You can start with a single chapter or a draft in progress — you only need text to narrate.
Can I try one chapter first?
Yes. Generate a short preview from one chapter before producing or paying for full chapter audio.
Do I own the audio I create?
Yes. Audio you generate from your manuscript is yours, stored privately in your Ottopen workspace.
Can I publish this audio anywhere?
You can use exported audio for review, private distribution, proofing, direct sales, or platforms that accept AI-narrated audio. Always confirm your publishing platform’s rules before submitting AI-narrated work.
Does Ottopen train on my manuscript?
No. Ottopen does not sell your work or use your drafts to train its own models. Selected text is sent to AI and voice providers only to fulfill the feature you request.
What happens if a render fails?
Failed renders are not billed. Ottopen shows an estimated cost before each final render, and you can adjust and retry without paying again.
What does 25,000 characters mean?
Final rendering is measured by the characters of text turned into audio. Audiobook Studio includes 25,000 final characters per month, and new subscribers receive a one-time 62,500-character narration credit on first activation.
Can I use different voices for characters?
Yes. Cast voices per character and keep voice notes beside your story bible.
Can I download the final audio?
Yes — Audiobook Studio includes final chapter rendering, private storage, and downloads through expiring links, plus master WAV export. The free Draft and Studio plans do not include final downloads.
Is this human narration?
No. Ottopen produces AI-generated narration — an AI voice workflow, not a human narrator service.
Audiobook Studio lives inside the whole Ottopen workspace.
The same workspace handles long-form writing, your notes and story bible, AI revision, and adaptation into scripts, summaries, and talks — so the audio version never gets separated from the manuscript and the structure that keeps it consistent.
See everything Ottopen can do