📂 Last Ia 👁 2.8k views 🕐 June 14, 2026

Gemini 3.1 Flash TTS

Gemini 3

Gemini 3.1 Flash TTS is a next-generation text-to-speech model designed for developers, enterprises, and users seeking to create expressive and natural-sounding speech applications. It is available across Google products and supports over 70 languages. The model introduces new audio tags for more expressive speech generation and improved speech quality. Gemini 3.1 Flash TTS is particularly useful for applications requiring high-fidelity vocal performances, such as audiobooks, podcasts, and voice assistants. The model's advanced features, including native multi-speaker dialogue and granular creative control via natural language, make it an attractive choice for developers and enterprises looking to create engaging and immersive audio experiences. With its improved controllability and expressivity, Gemini 3.1 Flash TTS empowers users to build the next generation of AI-speech applications, from simple text-to-speech conversions to complex, interactive dialogue systems.

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Features
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Audio Tags
allow for precise control over vocal style, pace, and delivery using natural language commands.
⟐
Improved Speech Quality
delivers high-fidelity speech with advanced style, pacing, and accent control.
⬡
Native Multi-Speaker Dialogue
supports conversations between multiple unique voices, each with its own characteristics.
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Granular Creative Control
enables developers to fine-tune voices and export settings for consistent use across projects.
Verdict
Best forTeams doing Last Ia work who need consistent output without a steep learning curve.
Skip ifYou only need this once or twice; the subscription cost won't pay off for occasional use.
✓High-quality speech generation with improved expressivity and controllability.
✓Support for over 70 languages, making it a versatile tool for global applications.
✓Advanced features like native multi-speaker dialogue and granular creative control.
✕May require significant development resources to fully utilize its advanced features.
✕The SynthID watermark, while useful for identifying AI-generated content, may not be suitable for all use cases.
Alternatives
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Juice AI Freemium ▲ 280 ★ 4.1
Frequently Asked Questions
Gemini 3.1 Flash TTS is a next-generation text-to-speech model designed for developers, enterprises, and users seeking to create expressive and natural-sounding speech applications.
The model introduces new audio tags for more expressive speech generation, improved speech quality, and supports over 70 languages.
Gemini 3.1 Flash TTS supports over 70 languages, making it a versatile tool for global applications, from simple text-to-speech conversions to complex, interactive dialogue systems.
Pricing information is not publicly available, but the model is available for preview via the Gemini API and Google AI Studio for developers and enterprises.
Gemini 3.1 Flash TTS stands out with its advanced features like native multi-speaker dialogue, granular creative control, and support for over 70 languages, making it a competitive choice for developers and enterprises seeking high-quality speech generation.
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Gemini 3.1 Flash TTS
Gemini 3.1 Flash TTS
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