OpenAI's latest GPT-5.3-Codex and audio models now on Microsoft Foundry

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

Microsoft incorporates OpenAI’s GPT-5 into consumer, developer and enterprise offerings

Today Microsoft is incorporating GPT-5, OpenAI’s best AI system to date, into a wide variety of its products, to bring new reasoning capabilities and improvements to coding and chat across its ...
CNBC

GPT-5's rollout fell flat for consumers, but the AI model is gaining where it matters most

OpenAI's GPT-5 has more than doubled coding and agent-building activity since its debut and driven an eightfold jump in reasoning workloads. Platforms including Cursor, Vercel, JetBrains, Factory, ...
Visual Studio Magazine

Azure AI Foundry Gets ChatGPT-5, Previews Browser Automation

Microsoft's latest update to Azure AI Foundry introduces the GPT-5 model family, previews a new Browser Automation tool, and expands the regional footprint of its Agent Service. Azure AI Foundry is ...