gpt-oss-120b Now Available on Telnyx Inference

Telnyx has made OpenAI's open-weight gpt-oss-120b reasoning model available in beta on Telnyx Inference, hosted on Telnyx-owned GPUs in US regions. The model offers a 128K context window and configurable reasoning effort, and teams running OpenAI-compatible clients can switch the base URL to Telnyx without changing their code, calling it as `model=openai/gpt-oss-120b`. Telnyx said owning the infrastructure lets it add models quickly and keep pricing at a fraction of proprietary APIs.

Contact sales https://telnyx.com/contact-us Log in https://portal.telnyx.com gpt-oss-120b, an open-weight reasoning model built by OpenAI, is now available on Telnyx Inference https://telnyx.com/products/inference in beta, hosted on Telnyx-owned GPUs in US regions. model=openai/gpt-oss-120b in the OpenAI built gpt-oss-120b in the US and released it as open weights, and Telnyx serves it on Telnyx-owned GPUs inside the United States. Because we own the infrastructure, adding models like this is fast and pricing stays at a fraction of proprietary APIs. The model documentation positions gpt-oss-120b for open-weight reasoning. With a 128K context window and configurable reasoning effort, it fits reasoning-heavy workloads like document analysis and agentic planning, and teams already running OpenAI-compatible clients can switch the base URL to Telnyx without changing their code. curl -X POST https://api.telnyx.com/v2/ai/openai/chat/completions \ -H "Authorization: Bearer $TELNYX API KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "openai/gpt-oss-120b", "messages": {"role": "user", "content": "Prove that the square root of 2 is irrational."} }' Learn more in the model documentation https://developers.telnyx.com/docs/inference/models .