Voice generation moves from choosing a voice to directing it
Google adds customizable voices and fine performance control. Narration, games and dubbing become more directly manageable uses.
Deployment API / AI Studio
Facts, analysis and limits
Verified facts
- Gemini 3.8 Flash TTS lets you design voices with natural-language instructions and direct pacing, emotion and acting line by line.
- Flash-Lite TTS targets high-volume and cost-sensitive uses. AI Studio and the Gemini API are being deployed; the Gemini Enterprise API is announced later.
What changes
For creative content, accent and emotion become setting parameters rather than fixed presets.
Practical implication
To be tested on a short original narrative, without cloning of real person.
Availability
Belgium: voice replication in AI Studio unavailable (EEA restriction), to be distinguished from the creation of original voices. Gemini Enterprise: forthcoming. Prices to be checked according to the applicable grid.
Limits and uncertainty
The creation of a voice does not permit the imitation of a person without consent. The advertised quality has not been assessed here.