Microsoft 365(@Microsoft365):Today we’re expanding model choice in Microsoft 365 Copilot with the addition of OpenAI’s latest model—GPT-5.5 Instant—rolling out in Copilot Studio early release cycle environments and Copilot Chat. GPT-5.5 Instant delivers concise responses for everyday work with less back-and-forth, reducing the need for follow-up prompts or clarification. Learn more:

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Microsoft 365@Microsoft365

2026.05.07 18:42

Today we’re expanding model choice in Microsoft 365 Copilot with the addition of OpenAI’s latest model—GPT-5.5 Instant—rolling out in Copilot Studio early release cycle environments and Copilot Chat. GPT-5.5 Instant delivers concise responses for everyday work with less back-and-forth, reducing the need for follow-up prompts or clarification. Learn more:

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