Gemini TTS 3.8 Flash-Lite

Changes from previous version

Same 3.8 speech schema as Gemini TTS 3.8 Flash, tuned for throughput and a lower audio output price, with 101 languages instead of 130.

Release Summary

High-volume sibling of Gemini TTS 3.8 Flash, API ID gemini-3.8-flash-lite-tts. Google positions it as the replacement for gemini-3.1-flash-tts-preview: same speech schema, 101 languages, and second place on Hume's Overall Quality Index. Input limit 8,192 tokens and output limit 16,384. Google AI Studio lists $0.50/M text input and $6/M audio output. Built for dubbing, read-aloud, and voice-agent cascades.

Timeline

Other Gemini TTS versions