Gemini 3.1 Flash TTS
BlogSimon WillisonApr 15, 2026
AI Summary
Google ships a prompt-directed TTS model. Simon documents the surprisingly baroque prompt format — character profiles, scene setup, director notes — as the interface for controlling voice. Representative of the 2026 shift where every modality gets its own prompt engineering dialect.
From the original
Sponsored by: Honeycomb — AI agents behave unpredictably. Get the context you need to debug what actually happened. Read the blog 15th April 2026 - Link Blog Gemini 3.1 Flash TTS. Google released Gemini 3.1 Flash TTS today, a new text-to-speech model that can be directed using prompts. It's…
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