Google · Audio & Music
Hermes Agent x Gemini TTS
Gemini TTS belongs to the Google catalog on RunAPI and exposes Gemini 2.5 Pro TTS and Gemini 3.1 Flash TTS through one consistent API, SDK, and CLI surface.
Public versions and endpoints
| Model ID | Version | Endpoints | Starting price | Catalog |
|---|---|---|---|---|
gemini-2.5-pro-tts | High-fidelity multi-speaker speech with expressive control for long-form dialogue | /api/v1/gemini_tts/text_to_speech | $0.0014 | Model detail |
gemini-3.1-flash-tts | Fast multi-speaker speech for responsive dialogue and high-volume audio workflows | /api/v1/gemini_tts/text_to_speech | $0.0014 | Model detail |
Configuration
Guide endpoint: <endpoint>
Select <model-id> to generate a request with the endpoint's public input contract.Verify
Select <model-id> to generate verification commands.How it works
- 1. Choose a model ID
Select a public catalog model ID and review its endpoint and current starting price.
- 2. Configure RunAPI
Set RUNAPI_API_KEY before making the endpoint request.
- 3. Verify the result
For asynchronous endpoints, poll the same endpoint until the Task reaches a terminal status.
FAQ
Which model ID should I use?
Choose a public model ID from the version table. Each ID exposes the endpoints shown for that version.
Does this guide configure a chat model?
No. This Model Line uses the endpoint workflow shown here and is not presented as an agent chat model.