OpenAI has expanded the availability of its GPT-5.3-Codex model to third-party developers via API and Microsoft Foundry.

OpenAI has launched gpt-realtime, its latest speech-to-speech model, offering higher accuracy, improved instruction-following, and more natural-sounding voices. Back in October 2024, OpenAI announced ...

The OpenAI ChatGPT Realtime API, now available in public beta, is transforming how developers create low-latency, multimodal applications. By seamlessly integrating speech, text, and function calling ...

Nearly a year after the developer preview was introduced, OpenAI released the GA version (General Availability) of the Realtime API in August 2025. The Realtime API is a multimodal interface that ...

OpenAI has unveiled its latest speech-to-speech artificial intelligence (AI) model, gpt-realtime, designed to generate more vivid and natural voice interactions for real-time applications. Alongside ...

OpenAI’s new GPT-Realtime model and Realtime API updates bring lifelike voice AI, phone calling, and image input to everyday apps. If you’ve ever wished that talking to an AI felt more like chatting ...

Microsoft (MSFT)-backed OpenAI revealed several new tools at its DevDay on Tuesday. This included a public beta version of the “Realtime API” that will allow developers to create AI-driven ...

Realtime API supports multi-model text and speech experiences including natural speech-to-speech conversations using preset voices already supported in the API. OpenAI has introduced a public beta of ...

Integrates OpenAI's GPT language models with Bandwidth's owned-and-operated Communications Cloud Adds to multiple pathways for enterprises to bring their preferred conversational AI voice agents to ...

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Day 9 of OpenAI’s “12 Days of OpenAI” has brought developers and ChatGPT users a range of updates designed to enhance the developer experience and expand the functionality of OpenAI’s API. These ...