GPT-5.4-mini Now Available for Telnyx Voice AI Assistants Telnyx has made OpenAI's GPT-5.4-mini available as an LLM model option for its Voice AI Assistants, allowing users to select the compact, high-efficiency model directly in assistant configuration without external API setup for Telnyx-hosted inference. Contact us https://telnyx.com/contact-us Log in https://portal.telnyx.com GPT-5.4-mini is now available as an LLM model option for Telnyx Voice AI Assistants. Select OpenAI's compact, high-efficiency model directly in your assistant configuration, with no external API setup required for Telnyx-hosted inference. For API-based configuration, set the model field on your assistant: { "model": "openai/gpt-5.4-mini" } Learn more in the Telnyx AI Assistants docs https://developers.telnyx.com/docs/inference/ai-assistants or the Available Models guide https://developers.telnyx.com/docs/inference/models .