OpenAI deploys Cerebras chips for 'near-instant' code generation in first major move beyond Nvidia

OpenAI launches GPT‑5.3‑Codex‑Spark, a Cerebras-powered, ultra-low-latency coding model that claims 15x faster generation ...
InfoWorld

Visual Studio adds GitHub Copilot unit testing for C#

GitHub Copilot testing for .NET in Visual Studio 2026 v18.3 can generate tests for the xUnit, NUnit, and MSTest test ...
GitHub

Power CAT Copilot Studio Kit

The Power CAT Copilot Studio Kit is a comprehensive set of capabilities designed to augment Microsoft Copilot Studio. The kit helps makers develop, govern, and test custom agents, use a large language ...