GPT 5.6 missing in Copilot Cowork? Enable this admin setting
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Enable OpenAI-operated models in the Microsoft 365 admin center to make GPT 5.6 Sol and Terra available in Copilot Cowork.
TL;DR
GPT 5.6 Sol and GPT 5.6 Terra appear in Copilot Cowork after a Global Administrator or AI Administrator enables OpenAI under Microsoft 365 admin center Copilot settings and chooses access for all users, no users, or specific users and groups.
Original by Josh Cook, on Flow Alt Delete. Read the original
This is our own summary, not a republication or full translation.
Why it matters
- Admins/IT: Open Copilot > Settings > View all > AI providers operating as Microsoft subprocessors, expand OpenAI, and start with a security group to validate access in Cowork.
- Admins/IT: Review the processing terms, cloud availability, and July 24, 2026 default change before expanding access, because eligible commercial tenants otherwise enable the models for all users.
Frequently asked questions
How do I make GPT 5.6 Sol and Terra appear in Copilot Cowork?
Enable OpenAI under Microsoft 365 admin center Copilot settings, then reopen Cowork's model picker. The two models should appear after the setting is saved.
Which admin roles can enable OpenAI-operated models for Copilot Cowork?
A Global Administrator or AI Administrator can change the setting. They can select all users, no users, or specific users and groups.
When will OpenAI-operated models become enabled for all eligible commercial tenants?
In eligible commercial tenants, OpenAI-operated models are scheduled to enable for all users from July 24, 2026, unless an admin selects No users.