Google’s Gemini 3.1 Flash TTS model offers unparalleled control over AI voices
Google's Gemini 3.1 Flash TTS just turned voice control into a text prompt. No more robotic AI voices.

Why it matters
Google is advancing multimodal AI capability by shipping a new text-to-speech model with granular control over vocal delivery—a capability gap competitors will need to match. This signals a shift in how AI agents will interface with users at scale.
The key facts
4 to knowGoogle DeepMind released Gemini 3.1 Flash TTS
Model enables text-based commands to control vocal style, delivery, and pace
Positions voice control as key differentiator vs. earlier robotic TTS models
Multimodal capability expansion for Gemini ecosystem
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Publisher excerpt: Google LLC’s DeepMind artificial intelligence unit today rolled out a new text-to-speech model called Gemini 3.1 Flash TTS. Unlike its earlier, robotic predecessors, it enables users to direct the vocal style, delivery and pace of chatbot responses through text-based commands, the company said in a…