Gemini 3.8 Flash TTS

Resources

Documentation & links

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Configuration

Parameters & options

Max Response Size16,384 tokens

ModeSelect

Default: single

Single VoiceDialogue

VoiceSelectsingle only

Prebuilt voice to speak in.

Default: Kore

Zephyr (bright)Puck (upbeat)Charon (informative)Kore (firm)Fenrir (excitable)Leda (youthful)Orus (firm)Aoede (breezy)Callirrhoe (easy-going)Autonoe (bright)Enceladus (breathy)Iapetus (clear)Umbriel (easy-going)Algieba (smooth)Despina (smooth)Erinome (clear)Algenib (gravelly)Rasalgethi (informative)Laomedeia (upbeat)Achernar (soft)Alnilam (firm)Schedar (even)Gacrux (mature)Pulcherrima (forward)Achird (friendly)Zubenelgenubi (casual)Vindemiatrix (gentle)Sadachbia (lively)Sadaltager (knowledgeable)Sulafat (warm)

Speaker 1 NameTextdialogue only

The name speaker 1's lines start with in the script ("Name: line").

Speaker 1 VoiceSelectdialogue only

Zephyr (bright)Puck (upbeat)Charon (informative)Kore (firm)Fenrir (excitable)Leda (youthful)Orus (firm)Aoede (breezy)Callirrhoe (easy-going)Autonoe (bright)Enceladus (breathy)Iapetus (clear)Umbriel (easy-going)Algieba (smooth)Despina (smooth)Erinome (clear)Algenib (gravelly)Rasalgethi (informative)Laomedeia (upbeat)Achernar (soft)Alnilam (firm)Schedar (even)Gacrux (mature)Pulcherrima (forward)Achird (friendly)Zubenelgenubi (casual)Vindemiatrix (gentle)Sadachbia (lively)Sadaltager (knowledgeable)Sulafat (warm)

Speaker 2 NameTextdialogue only

The name speaker 2's lines start with in the script ("Name: line").

Speaker 2 VoiceSelectdialogue only

Zephyr (bright)Puck (upbeat)Charon (informative)Kore (firm)Fenrir (excitable)Leda (youthful)Orus (firm)Aoede (breezy)Callirrhoe (easy-going)Autonoe (bright)Enceladus (breathy)Iapetus (clear)Umbriel (easy-going)Algieba (smooth)Despina (smooth)Erinome (clear)Algenib (gravelly)Rasalgethi (informative)Laomedeia (upbeat)Achernar (soft)Alnilam (firm)Schedar (even)Gacrux (mature)Pulcherrima (forward)Achird (friendly)Zubenelgenubi (casual)Vindemiatrix (gentle)Sadachbia (lively)Sadaltager (knowledgeable)Sulafat (warm)

Style InstructionPrompt

Optional direction for the delivery: tone, pace, accent or character (e.g. "warm and unhurried"). It shapes the voice and is never spoken. Inline tags in the text itself, like <laugh>, <sigh> or <whispers>, act at that point.

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