OpenAI has launched GPT-5.5, describing it as its most capable AI model to date, with advances in agentic reasoning, multimodal understanding, and long-context performance. The release builds on GPT-5 ...

Nvidia has deployed OpenAI’s latest GPT-5.5 model across more than 10,000 employees via the Codex agentic coding tool, following a successful internal pilot. Running on Nvidia’s GB200 NVL72 systems, ...

Microsoft has released GPT-5.1 in Microsoft Copilot Studio, providing U.S. customers in early release cycle Power Platform environments with access to the newest experimental model. The announcement ...

Microsoft is rolling out GPT 5.2 to Copilot on the web, Windows, and mobile as a free upgrade, and it'll coexist with the GPT 5.1 model. GPT-5.2 is described as OpenAI’s strongest model series so far, ...

OpenAI's new GPT‑5.3 Instant model is rolling out immediately to Microsoft 365 Copilot and API access via Microsoft Foundry coming soon. Last night, OpenAI announced GPT‑5.3 Instant, the successor to ...

On April 14, OpenAI announced it is scaling up Trusted Access for Cyber, known as TAC, to thousands of verified individual ...