Gemini 2.5 Flash Preview TTS
Last Updated on: Sep 12, 2025
Gemini 2.5 Flash Preview TTS
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Text-to-Speech
AI Speech Synthesis
AI Voice Assistants
AI Podcast Assistant
AI Customer Service Assistant
AI Communication Assistant
AI Developer Tools
AI Workflow Management
AI Productivity Tools
Voice & Audio Editing
AI Content Generator
What is Gemini 2.5 Flash Preview TTS?
Gemini 2.5 Flash Preview TTS is Google DeepMind’s cutting-edge text-to-speech model that converts text into natural, expressive audio. It supports both single-speaker and multi-speaker output, allowing fine-grained control over style, emotion, pace, and tone. This preview variant is optimized for low latency and structured use cases like podcasts, audiobooks, and customer support workflows .
Who can use Gemini 2.5 Flash Preview TTS & how?
  • Audio Content Creators: Produce expressive narrations and multi-speaker podcasts or audiobooks effortlessly.
  • Developers: Embed controllable TTS into applications, chatbots, or multimedia platforms.
  • Support & Communication Teams: Generate professional voice messages, IVR prompts, and alerts.
  • Localization & Education: Create voiceovers with regional accents, clear pronunciation, and emotional tone.
  • Enterprise & Media: Use in scalable workflows for voice marketing, content generation, and tutorials.

How to Use Gemini 2.5 Flash Preview TTS?
  • Access via Gemini API or Google AI Studio: Use the model `gemini-2.5-flash-preview-tts` in preview mode.
  • Send Text Input: Submit text; choose response modality set to AUDIO along with speech settings.
  • Configure Voice Settings: Select prebuilt voices, define speaker roles, tone, speed, and cadence.
  • Generate & Export: Receive audio output—single or multi-speaker—streaming as results (e.g., WAV).
  • Integrate into Pipelines: Use in structured flows for voice-based media, automated announcements, or training systems.
What's so unique or special about Gemini 2.5 Flash Preview TTS?
  • Controllable Multi-Speaker Output: Supports distinct voices and natural interactions across speakers.
  • Fine-Grained Expressiveness: Adjust style, accent, pace, and emotion through natural-language prompts.
  • Low-Latency Performance: Preview mode optimized for real-time and on-demand voice generation.
  • Structured Audio Workflow: Ideal for predictable media production—podcasting, voice interfaces, alerts.
Things We Like
  • Responsive TTS with multi-speaker support
  • High voice control—pacing, tone, emotion
  • Low latency suitable for interactive audio
  • Works well in structured content pipelines
  • Available in preview for early integration
Things We Don't Like
  • Still in preview—performance and features may change
  • Limited to smaller text lengths (8K input / 16K output tokens)
  • Requires developer integration through API or Studio
Photos & Videos
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Pricing
Freemium

Free

$ 0.00

Limited features available on the free plan

API

$0.50/$10 per 1M tokens

Input price: $0.50 (text)
Output price: $10.00 (audio)
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FAQs

It’s a preview TTS model that converts text to audio—single or multi-speaker—using expressive voice settings.
Supports both single and multi-speaker outputs in the same session.
Yes—developers can adjust style, accent, pace, and emotion using speech configuration.
Available via Gemini API or Google AI Studio with the preview model ID.
Yes—it’s optimized for quick audio generation suitable for real-time or near real-time use.

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