Gemini 3.8 Flash-Lite TTS
Google's lower-cost sibling to Gemini 3.8 Flash TTS, bringing expressive voice generation to Google Vids.
Overview
Google released Gemini 3.8 Flash-Lite TTS alongside Flash TTS on September 23, 2026, as a lighter-weight audio generation model sharing the same generative voice design, voice replication, and performance-direction capabilities. It ranked #2 on Hume AI's Overall Quality Index behind Flash TTS. It ships to general users inside Google Vids, while developers get it via the Gemini API and Google AI Studio.
This is a sourced directory entry. Features and capabilities are reported in the linked sources; this entry does not document independent Aymorphic testing.
Key features
- Generative voice design from natural-language prompts across 100+ languages and dialects
- Voice replication from 30-second audio samples with consent verification and SynthID watermarking
- Line-by-line performance direction and non-verbal vocal bursts
- Access to the same 2,000+ production-ready voice library as Flash TTS
- Ranked #2 on Hume AI's Overall Quality Index
Use cases
- Lower-cost voiceover generation inside Google Vids
- Custom voice creation for lighter-weight production workflows
- Developer integrations needing expressive TTS at a lower price point than Flash TTS
Pricing
unknown; available today via the Gemini API and Google AI Studio for developers, and inside Google Vids for general users
Pricing reflects the source record and may change. Confirm current terms with the provider.
Dates and sources
- Released
- 23 Sept 2026
- Record updated
- 24 Sept 2026
- Record last checked
- 24 Sept 2026