NVIDIA Riva TTS (English, US) on OVHcloud
OVHcloud AI Endpoints No signup
The catch: Anonymous calls are capped at 2 requests a minute per IP. With a key it is listed as Free at 400 requests a minute, but keys need a Public Cloud project with a payment method. Not OpenAI-compatible: it uses NVIDIA Riva's own REST or gRPC API.
| Access | No signup |
|---|---|
| Free limits | 2 requests per minute per IP without a key (anonymous), per the catalog’s rate_limit_api_anonymous field. |
| Modality | audio |
| Credit card | Not required |
| Commercial use | Allowed |
| Trains on your data | No |
| Licence or terms | OVHcloud Public Cloud Specific Conditions, Appendix 10 (AI Endpoints) + each model’s licence |
| Context window | – |
| Model id | nvr-tts-en-us |
| Base URL | https://nvr-tts-en-us.endpoints.kepler.ai.cloud.ovh.net/api/v1 |
| Last checked | 8 Oct 2026 |
How to use NVIDIA Riva TTS (English, US)
It speaks the OpenAI API at https://nvr-tts-en-us.endpoints.kepler.ai.cloud.ovh.net/api/v1, so the OpenAI SDK you already use works once you change the base URL and key.
curl https://nvr-tts-en-us.endpoints.kepler.ai.cloud.ovh.net/api/v1/tts/text_to_audio -H "Content-Type: application/json" -H "accept: application/octet-stream" -d '{"encoding":1,"language_code":"en-US","sample_rate_hz":16000,"text":"Hello world","voice_name":"English-US.Female-1"}' --output speech.wavI want to use the free AI model "NVIDIA Riva TTS (English, US)" from OVHcloud (model id: nvr-tts-en-us) without signing up. Please: 1. Check the provider docs and give me a minimal working request that needs no key. 2. Tell me the real limits and any catch (commercial use, data use, logging). Listed limits: 2 requests/min per IP, no key. 3. Tell me what changes if I get a free key, and when I should.
Before you ship on it
- Anonymous calls are capped at 2 requests a minute per IP. With a key it is listed as Free at 400 requests a minute, but keys need a Public Cloud project with a payment method. Not OpenAI-compatible: it uses NVIDIA Riva's own REST or gRPC API.
- Public Cloud Specific Conditions (version dated 26 Aug 2026), Appendix 10 – AI Endpoints: no clause limits commercial use; models are third-party products whose conditions ‘may contain usage restrictions’ the client…
- Free tiers are shared capacity: treat the limits as a ceiling, not a promise, and keep a paid fallback.
Questions
Is NVIDIA Riva TTS (English, US) on OVHcloud free?
Yes. OVHcloud offers it as no signup, with these limits: 2 requests/min per IP, no key. No credit card is needed.
Can I use NVIDIA Riva TTS (English, US) on OVHcloud commercially?
Yes, under OVHcloud Public Cloud Specific Conditions, Appendix 10 (AI Endpoints) + each model’s licence. Check the current terms before you ship.
How do I start with NVIDIA Riva TTS (English, US) on OVHcloud?
It speaks the OpenAI API at https://nvr-tts-en-us.endpoints.kepler.ai.cloud.ovh.net/api/v1, so the OpenAI SDK you already use works once you change the base URL and key.
Source: catalog.endpoints.ai.ovh.net/rest/v1/models_v2, checked 8 Oct 2026.