Commercial use

Gemini 3.1 Flash TTS 预览版是 Google 推出的一款富有表现力的文本转语音(TTS)模型。它能够生成自然逼真的 AI 语音,并可对语调、情感、语速和说话风格进行精准控制。

README

Gemini 3.1 Flash TTS API:生成自然且富有表现力的语音

界面组件首屏演示图
Feature image
借助 Gemini 3.1 Flash TTS API 生成更自然的音频
通过 Gemini 3.1 Flash TTS API 的音频标记控制语音演绎
通过 Google Gemini 3.1 Flash TTS API 打造专属语音风格
使用 Gemini 3.1 Flash TTS 预览版 API 打造更丰富的对话体验
借助 Gemini 3.1 Flash 文本转语音 API 打造多语言体验
使用 gemini-3.1-flash-tts-preview API 构建灵活的语音应用
对比维度Gemini 3.1 Flash TTSGemini 2.5 Flash TTSEleven v3Inworld TTS
Model PositioningExpressive speech generation model designed for natural delivery, detailed control, and scalable multilingual audio creationEarlier Gemini TTS model focused on efficient and general speech synthesisAdvanced voice generation model focused on highly expressive and realistic speechCharacter-focused speech model designed for interactive AI experiences
Speech NaturalnessStrong naturalness with improved vocal clarity, conversational rhythm, and expressive variationProvides natural speech output with less refined delivery controlHigh-quality voice realism with strong emotional performanceNatural character-style voices optimized for interactive scenarios
Expressive ControlAudio tags and natural-language instructions provide detailed control over emotion, pacing, pauses, and vocal styleSupports general voice instructions with fewer fine-grained controlsProvides voice style and emotional control through prompting and voice designEmphasizes personality-driven voice customization
Voice DirectionSupports speaker identity, scene context, accent, tone, and performance guidanceProvides basic style guidance for speech generationAllows detailed voice and character directionDesigned around creating unique AI characters and personalities
Multilingual CapabilitySupports more than 70 languages with multilingual speech generationSupports multilingual output with broader limitations compared with newer generation capabilitiesSupports multilingual voice generation across different regionsProvides multilingual capabilities for conversational applications
Multi-Speaker DialogueSupports multiple speakers with separate voice characteristics and delivery stylesProvides more limited dialogue generation capabilitiesSupports multi-voice creation depending on workflowStrong focus on character interaction and dialogue scenarios
Speech CustomizationEnables both global style direction and moment-level delivery adjustmentsMainly focused on overall voice generation settingsStrong customization through voice design and style controlStrong customization for interactive characters
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  • 借助 Gemini 3.1 Flash TTS API 打造富有表现力的有声读物与故事旁白
    基于 Gemini 3.1 Flash TTS API 构建的交互式语音助手
    使用 Gemini 3.1 Flash 预览版 TTS API 创作多语言内容
    基于 Gemini 3.1 Flash 预览版 TTS API 的无障碍与企业级音频解决方案