Google has introduced Gemini 3.1 Flash TTS, a new text-to-speech engine with improved AI performance control. The model supports over 70 languages and utilizes new audio methods to enhance expressiveness.
Google announced Gemini 3.1 Flash TTS, a new generation of text-to-speech technologies that provides high control over the quality of AI speech. The model is available through Google AI Studio, Vertex AI, and Google Vids, making it suitable for developers and companies looking to create high-tech applications.
Gemini 3.1 Flash TTS has demonstrated a significant improvement in speech quality, scoring 1211 points on the Elo scale, placing it among the best models for speech generation according to blind tests. Its ease of use and support for over 70 languages make it an ideal tool for the global market.
One of the main innovations is the introduction of audio tags, allowing users to customize vocal style, pace, and tone using natural language. This enables developers to tailor AI playback, transforming text into high-quality vocal performances. Additionally, Gemini 3.1 supports multi-actor dialogue, opening new possibilities for creating expressive and localized speech applications. Developers can set unique voiceover profiles, intuitively managing speech characteristics.
However, the threat of misinformation remains a challenge for the AI community, which is why Google has implemented the SynthID watermark on all generated audio files. This allows distinguishing AI content from human content, helping to prevent the spread of false information. Initial feedback from developers and companies has confirmed the high degree of controllability and expressiveness of Gemini 3.1 Flash TTS, noting the new accuracy in creating voice solutions, which changes the approach to speech generation in AI applications.
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