google/gemini-3.8-flash-lite-tts idGemini 3.8 Flash-Lite TTS is Google’s text-to-speech model optimized for high-volume, cost-efficient audio generation across more than 100 languages. It combines expressive speech with fine-grained control over tone, pacing, and line-by-line delivery, supporting long-form narration and native two-speaker conversations. Built for scale, it helps developers and creators power multilingual dubbing, audio content production, and expressive voice agents.
# Drop-in OpenAI-compatible client$ import { generateText } from 'ai'$$ const { text } = await generateText({$ model: 'google/gemini-3.8-flash-lite-tts',$ baseURL: 'https://synapse.garden/api/v1',$ apiKey: process.env.MG_KEY,$ prompt: 'Why is the sky blue?',$ })
| Rate | Per million tokens · USD |
|---|---|
| Input | $0.550/M |
| Output | $6.60/M |
| Cache read | $0.138/M |
Use the OpenAI or Anthropic SDK and point baseURL at https://synapse.garden/api/v1. Set model: ‘google/gemini-3.8-flash-lite-tts’ and supply your Synapse Garden API key. No code changes beyond the base URL.
Input: $0.550/M per million tokens. Output: $6.60/M per million tokens. The free tier includes a million tokens every month at no cost.
Context window varies — check the live spec sheet at the top of this page.
No. Synapse Garden is the single API surface — one key gives you OpenAI, Anthropic, Google, Meta, Mistral, DeepSeek, xAI, Cohere, and more. Billing, rate limits, and audit logs are unified.
Sign up, create a key, drop our base URL into your existing client. The free tier includes a million tokens every month — no credit card.