Google Gemini 2.5 Pro Text-to-Speech delivers natural multi-speaker voice synthesis with 30+ voices across 24 languages. Perfect for dialogues, conversations, and multilingual content. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
Inactivo
$0.08por ejecución·~12 / $1
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Gemini 2.5 Pro Text-to-Speech
Gemini 2.5 Pro Text-to-Speech is Google's advanced multi-speaker speech synthesis model that turns written dialogue into natural, expressive audio. It supports multiple speakers with distinct voices in a single generation, making it ideal for podcasts, conversations, audiobooks, and any content that needs realistic multi-voice narration.
Why Choose This?
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Multi-speaker dialogue Assign different voices to different speakers and generate a natural-sounding conversation in one pass — no need to stitch separate audio clips together.
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Expressive, natural voices Powered by Gemini 2.5 Pro, the voices carry natural intonation, pacing, and emotional range for lifelike results.
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Multi-language support Supports a wide range of languages including Arabic (Egypt), Bangla (Bangladesh), Dutch (Netherlands), English (India), English (United States), French (France), German (Germany), Hindi (India), Indonesian (Indonesia), and more.
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Flexible speaker setup Add as many speakers as your script needs, each with their own named voice. Simply write dialogue with speaker labels and the model handles the rest.
Parameters
| Parameter | Required | Description |
|---|---|---|
| text | Yes | The script or dialogue text. Use "Speaker: line" format for multi-speaker content. |
| language | Yes | Language and locale for synthesis (e.g., English (United States), French (France)). |
| speakers | Yes | A list of speaker entries, each with a speaker name and a voice selection. |
How to Use
- Write your script in the text field using the "Speaker: dialogue" format (e.g., "Rose: Welcome back to Tech Talk!").
- Select the language from the dropdown.
- Add speakers — for each speaker in your script, add an entry with the speaker name and choose a voice.
- Run — the model generates a single audio file with all speakers voiced naturally.
- Download the output audio.
Pricing
$0.08 per 1,000 characters of input text.
Billing Rules
- Billed by text length, rounded up to the nearest 1,000 characters
- Minimum charge is $0.08 (for texts up to 1,000 characters)
Examples
| Text Length | Cost |
|---|---|
| 500 characters | $0.08 |
| 1,000 characters | $0.08 |
| 2,500 characters | $0.24 |
| 5,000 characters | $0.40 |
| 10,000 characters | $0.80 |
Best Use Cases
- Podcasts & Talk Shows — Generate multi-host audio content with distinct voices for each speaker.
- Audiobooks & Narration — Bring stories to life with different character voices in a single generation.
- E-learning & Training — Create engaging instructional audio with conversational dialogue.
- Content Localization — Produce voiceovers in multiple languages for global audiences.
- Prototyping & Pre-production — Quickly audition dialogue and voice pairings before recording with real talent.
Pro Tips
- Use the "Speaker: dialogue" format consistently throughout your script to ensure correct voice assignment.
- Make sure each speaker name in the text exactly matches the speaker name in the speakers list.
- Keep dialogue natural — the model handles pacing and intonation best with conversational writing.
- For long scripts, break content into logical segments to review quality before generating the full piece.
Notes
- The number of available voices may vary by language. Experiment with different voice options to find the best fit for your content.
- Please ensure your content complies with Google's usage policies.