OpenAI

Use the OpenAI TTS API as your provider.

Setup

In Settings → Admin → Providers:

1. Add a provider with type OpenAI.
2. Keep base URL as https://api.openai.com/v1.
3. Enter your API key.
4. Set your preferred default model/voice.

Or seed it on first boot (see Seed a provider from the environment):

API_BASE=https://api.openai.com/v1
API_KEY=sk-...

Users choose the provider, model and voice in Settings → Model & Voice.

Notes

• Models: tts-1, tts-1-hd, gpt-4o-mini-tts
• Speech is requested by the compute worker, not the browser. The API key is never sent to browsers.

References

• OpenAI TTS pricing
• TTS Providers
• TTS Environment Variables