Microsoft Copilot Now Uses GPT-5.5: How the New Model Choice and Browser Automation Features Change Enterprise Productivity
Microsoft’s June 2026 general availability announcement for Copilot marks what may be the most consequential update to the platform since its initial enterprise rollout. The integration of OpenAI’s GPT-5.5 as a selectable model, combined with the introduction of browser automation capabilities within the new Cowork tab, fundamentally repositions Copilot from…
