Native OpenAI model support in Telnyx model selector

OpenAI models gpt-5.1, gpt-5, gpt-4.1, and gpt-4o are now available directly in the Telnyx model selector. This update reduces external setup steps and gives teams a faster way to deploy OpenAI models across Voice AI, messaging, and automation workflows.

What’s new

• Native OpenAI models: gpt-5.1, gpt-5, gpt-4.1, and gpt-4o selectable in the model dropdown.
• Unified billing: Usage billed by Telnyx at OpenAI list prices with no markup.
• BYO OpenAI keys: Optional override to connect your own API keys.
• Consistent interface: Same configuration flow as other Telnyx-hosted models.

Why it matters

• Reduces integration friction for teams already using OpenAI.
• Simplifies cost tracking by consolidating usage into Telnyx billing.
• Improves deployment speed for new assistants.
• Supports easy migration from external agent platforms like ElevenLabs and Vapi.

Example use cases

• Importing Retell, Vapi, or ElevenLabs assistants directly into Telnyx.
• Migrating existing OpenAI-powered voice or chat flows without code changes.
• Running model comparisons alongside other providers in the same workspace.

Getting started

1. Open Mission Control Portal → AI Assistance → Model selector.
2. Choose an OpenAI model (gpt-5.1, gpt-5, gpt-4.1, or gpt-4o).
3. Save the assistant and run a test message or call.

Try out the integration in the Mission Control Portal