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Gemini 3.8 Flash-Lite TTS logo

Gemini 3.8 Flash-Lite TTS

Google · Veröffentlicht Sept. 2026

Preise ansehenModelle vergleichen
Bedingt

Conditional. Gemini 3.8 Flash-Lite TTS is Google's cost tier for high-volume speech: stable in the Gemini API, built into Google Vids, and billed at the same text input rate as Flash TTS with a lower audio output rate. Google ranks it second only to Flash TTS on Hume AI's Overall Quality Index, but that ranking is Google-reported and its launch rates are temporary, doubling once the promotion ends. Suits voice-agent cascades and bulk narration where cost per clip matters more than acting range.

Ist es das Richtige für dich?

Gut für

  • High-volume speech production and real-time voice-agent cascades, the use Google's model page names
  • Lower audio output cost than Flash TTS on the same pricing page, with batch at half the standard rate
  • Voice replication with consent verification and SynthID watermarking
  • Speech inside Google Vids without an API integration

Nicht geeignet für

  • Voice replication through Google AI Studio for users in Illinois, Texas, the EEA, the UK, Switzerland or India, where Google does not offer it
  • Dialogue with more than two speakers in one request
  • Deep creative direction and character design, which Google assigns to Flash TTS

Leistung nach Aufgabe

High-volume narration

Very Good

Google's cost-efficient tier with batch at half rate; quality ranked #2 on Hume AI's Overall Quality Index per Google, untested by us

Real-time voice agents

Good

Named use case on Google's model page; no latency figure published

Expressive character voices

Fair

Google positions Flash TTS, not Flash-Lite, for deep creative direction

Preise

Eingabe

$0.50 / 1M (text)

Ausgabe

$6.00 / 1M (audio)

Kontext

Launch rate to 2026-12-31; $1/$12 from 2027

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