SMRTR AIApr 15, 2026Dev.to

How to prompt Gemini 3.1's new text to speech model

SMRTR summary

Google's Gemini 3.1 Flash text-to-speech model allows users to control audio performance through detailed prompts and inline tags like [whispers] or [excitedly]. Users can provide context including audio profiles, scene descriptions, and director's notes to guide speech generation, while creative tags offer granular control over tone, pace, and delivery for specific transcript sections.

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