Gemini 3.8 Flash Text-to-Speech generates expressive speech from text with configurable voice and delivery-style controls for narration, dialogue, localization, virtual assistants, and voice production workflows.
Credits cost about 2 cents each depending on the plan.

Gemini 3.8 Flash Text-to-Speech generates expressive speech from text with configurable voice and delivery-style controls for narration, dialogue, localization, virtual assistants, and voice production workflows.
Gemini 3.8 Flash TTS is an AI voice model you can run directly in the Percify playground — fill in the inputs and generate right in your browser, or call it programmatically through the Percify API. Each run returns a ready-to-download audio hosted on our CDN, and credits are only charged for successful results.