OpenAI’s GPT-5.5 in Microsoft Foundry: Frontier intelligence on an enterprise ready platform
Summary
Announcement of OpenAI's GPT-5.5 availability in Microsoft Foundry, highlighting improved agentic execution, long-context reasoning, and token efficiency for enterprise professional workflows.
Key quotes
GPT-5.5 advances this arc with deeper long-context reasoning, more reliable agentic execution, improved computer-use accuracy, and greater token efficiency—designed for sustained, high-stakes professional workflows.
The post introduces GPT-5.5 and its premium variant, GPT-5.5 Pro, as part of the Microsoft Foundry platform. It emphasizes the model’s capabilities in autonomous execution, complex reasoning, and integration with the Foundry Agent Service for enterprise-scale deployment.