GPT-5.5 Instant

Microsoft Copilot AI workspace interface
Microsoft Brings GPT-5.5 Instant to Microsoft 365 Copilot

Microsoft has added OpenAI’s GPT-5.5 Instant model to Microsoft 365 Copilot and Copilot Studio, just…

ChatGPT mobile app interface screen
OpenAI Rolls Out GPT-5.5 Instant

OpenAI has started rolling out GPT-5.5 Instant as the new default model for ChatGPT, replacing…