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Outrun

GOOGLE GEMINI / AUDIO

Gemini 3.8 Flash TTS API pricing

$0.32 in / $5.67 out per 1M tokens

Gemini 3.8 Flash TTS costs $0.32 per 1M input tokens and $5.67 per 1M output tokens. Call it with model ID gemini-3.8-flash-tts at https://api.outrun.to/v1 using one prepaid Outrun key. Prices as of October 30, 2026.

gemini-3.8-flash-tts

USD / 1M TOKENS

How much does Gemini 3.8 Flash TTS cost per 1M tokens?

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Standard

Token typeOutrun
Input$0.32
Output$5.67

Billed prices, rounded up to the cent. Prices as of October 30, 2026.

Billing unit
1M tokens

What is Gemini 3.8 Flash TTS?

Gemini 3.8 Flash TTS is a audio model in the Outrun catalog. The standard rate is $0.32 in / $5.67 out per 1M tokens.

What are the Gemini 3.8 Flash TTS model details?

Model detailValue
KindAudio

How do I call Gemini 3.8 Flash TTS?

Endpoint and parameters from the model setup reference. This is the request outline; supply your input as described in the API reference.

Request outline
POST /v1/audio/speech
model: gemini-3.8-flash-tts
voice: Kore
response_format: wav

What request parameters does Gemini 3.8 Flash TTS take?

The setup reference lists the endpoint and options below. Follow the API reference for the prompt, file or reference-image fields.

Request fieldValue
EndpointPOST /v1/audio/speech
voiceKore
response_formatwav

How does Gemini 3.8 Flash TTS compare with other audio models?

ModelRate
Gemini 3 STT$0.32 in / $1.89 out
Gemini 3.8 Flash TTSThis model$0.32 in / $5.67 out

Common questions about Gemini 3.8 Flash TTS

How much does the Gemini 3.8 Flash TTS API cost?

Gemini 3.8 Flash TTS costs $0.32 per 1M input tokens and $5.67 per 1M output tokens. Prices as of October 30, 2026.

What model ID and base URL do I use for Gemini 3.8 Flash TTS?

Use the model ID gemini-3.8-flash-tts with the base URL https://api.outrun.to/v1 and your Outrun API key.

How is Gemini 3.8 Flash TTS billed?

Per 1M tokens, from your prepaid USD balance. There is no subscription.

Does Outrun store my prompts when I use Gemini 3.8 Flash TTS?

Outrun does not store your prompts, images or outputs unless you choose to save them.