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Telnyx hosts models with an OpenAI-compatible API. No concurrency limits. Use the standard OpenAI plugin with the .with_telnyx() helper:

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About .with_telnyx()

This is a built-in static method on openai.LLM in the official livekit-plugins-openai package, maintained by LiveKit — not a Telnyx package or fork. It works the same way as the other OpenAI-compatible helpers in that package (.with_azure(), .with_fireworks(), etc.): it sets base_url to Telnyx’s OpenAI-compatible inference endpoint (https://api.telnyx.com/v2/ai/openai) and reads your TELNYX_API_KEY from the environment. You don’t need any additional packages beyond livekit-plugins-openai.

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Hosted models

These run on Telnyx infrastructure — no external API key needed, just your TELNYX_API_KEY:

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Proprietary models (BYOK)

For models like GPT-4o or Claude, Telnyx proxies the request using your own API key. Add your provider key in the Telnyx Portal under Inference settings.
Full models list →