Gemini 3.8 text-to-speech models now available on AI Gateway
Google's Gemini 3.8 Flash-Lite TTS and Gemini 3.8 Flash TTS models are now available on Vercel's AI Gateway, supporting 100+ languages with long-form narration, delivery control, and multi-speaker dialogue. Users get unified API access, usage tracking, and cost per-request visibility alongside other models.
and from Google are now available on .Gemini 3.8 Flash-Lite TTSGemini 3.8 Flash TTSAI Gateway
Both models take text and generate speech in more than 100 languages. They support long-form narration, control over delivery, and two-speaker dialogue.
Generate and listen to speech in the or the . For setup instructions and more code examples, see the and .Flash-Lite TTS playgroundFlash TTS playgroundspeech quickstarttext-to-speech guide
AI Gateway provides one API for speech generation alongside your other models, with usage and cost tracking for each request. You can configure and .routing rulesbring your own provider key
is suited to high-volume speech generation, with controls for tone, pacing, and line-by-line delivery.
google/gemini-3.8-flash-lite-ttsadds voice and character design through natural-language prompts, including acting cues, accents, and conversational reactions.
google/gemini-3.8-flash-tts
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