Microsoft AI Monthly: May 2026
May 2026 AI update: Claude Opus 4.8 across Foundry, Copilot and GitHub Copilot, OpenAI GPT-5.5 Instant and Thinking, three new GPT realtime models, xAI Grok 4.3, Deepseek V4 / V4 Pro and Kimi 2.6 in Foundry via Fireworks, Cohere Command A+ and new image models, MAI-Image-2-Efficient, Foundry trace-based evaluations for external and hosted agents, GPT-5 reinforcement fine-tuning gated GA, Foundry managed virtual networks GA, MagenticLite, MagenticBrain and Fara 1.5 open agentic stack, Foundry Local 1.1 and 1.2, Foundry IQ knowledge bases, Copilot Studio computer-using agents and new workflow experience, M365 Copilot redesign, GitHub Copilot Opus 4.8 and Gemini 3.5 Flash GA, GitHub Copilot CLI remote control, and enterprise model rules.