| Best for |
Retail audiobooks, fiction, character work, memoirs |
Samples, drafts, internal or educational audio, frequently updated content |
| Performance |
Full emotional range, pacing nuance, and distinct character voices |
Controllable pace and consistent tone, with limited emotional nuance |
| Rights |
Agreed in the narration contract with full master release |
Defined in the AI license terms |
| Retail distribution |
Widely accepted by all retailers and distributors (Audible, Apple Books, Spotify) |
Rules on AI narration differ by retailer and change over time; check before choosing |