Microsoft adds GPT‑5.3 Instant to Microsoft 365 Copilot and Copilot Studio

OpenAI’s new GPT‑5.3 Instant model is now available in ChatGPT, Microsoft 365 Copilot, and Copilot Studio, with API access coming soon via Microsoft Foundry. The model offers improved accuracy, tone, and contextual responses, plus enterprise‑focused upgrades such as safer handling, adaptive guidance, better grounded answers, and more consistent performance. In Microsoft 365 Copilot it appears as “GPT‑5.3 Quick response,” with paid users receiving priority access. GPT‑5.2 Instant remains available for paid users for three months.

Видео Microsoft adds GPT‑5.3 Instant to Microsoft 365 Copilot and Copilot Studio канала Saeb Masarwa Eng