Subvolts take Google Gemini 3.1 Flash TTS Preview offers natural speech generation with expressive audio tag control. Sep 10, 2026 Gemini 3.1 Flash TTS Preview introduces expressive audio tags for narrative control and general improvements in naturalness, controllability, and multilingualism.
- Model NameGemini 3.1 Flash TTSGemini 3.1 Flash TTS Preview
- FeaturesGenerates speech with low latency and natural results, controlled by prompts.Generates speech with low latency and natural results, controlled by prompts and new expressive audio tags.
- Developers
- You can now build applications with more nuanced and controllable speech output using expressive audio tags.
- Business
- Enhance customer interactions with more natural and expressive voice responses in your services.
This model update enhances text-to-speech control and naturalness, offering developers more expressive narration options.
graphic_eq Gemini 3.1 Flash TTS
Spec sheet arrives with the next pipeline run. The source page has the details.
From Subvolts
Summary and analysis by Subvolts editorial, AI-assisted.
Google's Gemini 3.1 Flash TTS Preview generates speech with low latency and natural results. It uses expressive audio tags for precise narrative control and offers general improvements in naturalness, controllability, and multilingualism. The model aims to enhance text-to-speech capabilities for developers and users.
Google Gemini 3.1 Flash TTS can generate natural-sounding speech quickly from text. It allows for fine-tuned control over the voice using special tags, improving how text is turned into speech.
This update focuses on improving text-to-speech (TTS) quality and control. The introduction of expressive audio tags allows for more nuanced narration, a key area for competitors like OpenAI and Microsoft. Developers gain finer control over speech output, potentially leading to more engaging applications. Future developments will likely center on expanding language support and further refining naturalness.
- Model Name: Gemini 3.1 Flash TTS Preview
- Company: Google
- Key Feature: Expressive audio tags for narrative control
- Improvements: Naturalness, controllability, multilingualism
Google enhances its TTS offering with expressive audio tags, competing with similar advancements in voice generation from OpenAI and Microsoft.
The Playbook: reusable how-tos, prompts, configs and tips pulled out of the news. From the Playbook, matched to the product and topics of this item.
- ToolGemini 3.1 Flash TTS for Low Latency SpeechGenerates natural-sounding speech with low latency and expressive control using audio tags. · 5 min
- Model pickGemini 3.8 Flash-Lite TTS for low latency text to speechUse Gemini 3.8 Flash-Lite TTS for everyday tasks needing fast, natural-sounding speech synthesis. · 5 min
- Model pickChoose Gemini 3.8 Flash-Lite TTS for production workloadsSelect Gemini 3.8 Flash-Lite TTS for high-throughput production needs, replacing older preview models. · 5 min
- ToolGemini 3.8 Flash TTS for custom voice narrationUse Gemini 3.8 Flash TTS via the Gemini API in Google AI Studio for custom voice narration and vocal affectations. · 15 min
Questions people ask
- What is Gemini 3.1 Flash TTS Preview?
- It is a Google model that generates speech from text with low latency and natural-sounding results, controllable via prompts and new audio tags.
- What are expressive audio tags?
- These are new tags that provide precise control over the narration and expressiveness of the generated speech.
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Page generated Oct 19, 2026. Summaries are Subvolts' own; the story belongs to Gemini Models.