Gemini 2.5 TTS APIs

About Gemini 2.5 TTS APIs

Gemini 2.5 TTS on EmpirioLabs brings together 2 audio generation model APIs from Google, including Gemini 2.5 Flash TTS, Gemini 2.5 Pro TTS. Each model keeps its own dedicated page with live pricing, parameters, docs, and playground access.

Use the same EmpirioLabs API key and endpoint pattern across the family, then switch behavior by changing the model id in your request.

Gemini 2.5 TTS models (2)

Gemini 2.5 Flash TTS

Low-latency text-to-speech with single- and multi-speaker voices and controllable style, accent, and expressive tone for production apps.

Gemini 2.5 Pro TTS

High-quality TTS preview for podcasts, audiobooks, and customer support, with expressive multi-speaker voices across 23+ languages.

Gemini 2.5 TTS API pricing

Compare the family at a glance, then open a model page for the complete live rate card and parameters.

How to call Gemini 2.5 TTS models

Gemini 2.5 Flash TTS serves speech through POST /v1/audio/speech and returns playable audio. Send the text to speak as input with the model id gemini-2-5-flash-tts. For this family, swap the model value for any supported id: gemini-2-5-flash-tts gemini-2-5-pro-tts. Get an API key from the EmpirioLabs dashboard.

curl https://api.empiriolabs.ai/v1/audio/speech \
  -H "Authorization: Bearer $EMPIRIOLABS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-2-5-flash-tts",
    "input": "Welcome to EmpirioLabs. Your build just finished."
  }' \
  --output speech.mp3

Gemini 2.5 TTS APIs: common questions

What is the Gemini 2.5 TTS API?

Gemini 2.5 TTS on EmpirioLabs is a family of 2 Audio Generation model APIs from Google: Gemini 2.5 Flash TTS, Gemini 2.5 Pro TTS. You use one EmpirioLabs API key and choose the model id that fits the request.

Which Gemini 2.5 TTS model should I use?

Start with the model whose dedicated page matches your speed, quality, and pricing needs, then test it in the EmpirioLabs playground. The comparison cards above link to each model's live rate card and quickstart.

Can I switch between Gemini 2.5 TTS models without rebuilding my integration?

Yes. The family is designed around the same EmpirioLabs API pattern, so most integrations switch by changing the model value. Check the model page before shipping if you rely on a model-specific parameter.

How is Gemini 2.5 TTS pricing shown?

Pricing is pay as you go. The cards on this page show a short live-catalog summary, and each model page shows the complete rate card that matches API billing.

Can I try Gemini 2.5 TTS in the browser?

Yes. Open any model page in this family and use its playground link to test prompts and parameters in the browser before integrating the API.