COMPARISON · General-purpose assistants
Gemini for Google Workspace vs Microsoft 365 Copilot
General-purpose assistants compared on tenant and workspace data controls. Neither is legal-specific. This page places vendor-published facts side by side. It does not rank the products or state which is better.
| Fact | Gemini for Google Workspace | Microsoft 365 Copilot |
|---|---|---|
| Category | General-purpose assistants | General-purpose assistants |
| Vendor | Microsoft | |
| Status | Active | Active |
| Price path | Public price: Vendor publishes a pricing page. | Public price: Vendor publishes a pricing page. |
| Confidentiality statement | “The content entered in Gemini prompts stays within your organization.” | “Prompts, responses, and data accessed through Microsoft Graph aren't used to train foundation LLMs, including those used by Microsoft Copilot.” |
| Training or data-use statement | No-training commitment: “Workspace does not use customer data for training models without customer's prior permission or instruction.” | No-training commitment: “Prompts, responses, and data accessed through Microsoft Graph aren't used to train foundation LLMs, including those used by Microsoft Copilot.” |
| Firm-size scope | Not stated | Not stated |
| Named connections | Google Drive, Gmail, Docs | Microsoft Word, Outlook, Teams |
| Data location | Not stated | Not stated |
| Last checked | September 15, 2026 | September 15, 2026 |
Every value above is a dated observation from the vendor’s own published material. Open either tool page for the full evidence ledger and source links.
Editorial assessment, side by side
The rows below are the CounselAtlas editorial desk’s own reading, not vendor statements. They restate what each vendor published and add no claim of its own. Neither column is a rating or a recommendation.
| Assessment | Gemini for Google Workspace | Microsoft 365 Copilot |
|---|---|---|
| Reading the vendor's wording | The vendor states that prompt content stays within the organisation and that Workspace does not use customer data for training without permission or instruction. The word permission matters: it means the default is no, but the setting is worth confirming. | The vendor states that prompts, responses, and data accessed through Microsoft Graph are not used to train foundation models. Because the assistant is grounded in tenant content, the practical risk is usually permissions rather than training. |
| What adopting it costs | It only exists inside Google Workspace, so the switching cost is the workspace decision itself. A firm on Microsoft 365 would not adopt this without changing suites. | It only exists inside Microsoft 365, so the switching cost is the tenant decision itself. Because it reads tenant content, the setup work is mostly permissions, not migration. |
| Closest alternative | Microsoft 365 Copilot — The direct equivalent in the Microsoft ecosystem. The choice follows which productivity suite the firm already runs. | Gemini for Google Workspace — The direct counterpart in the Google ecosystem. The choice follows the firm's existing productivity suite. |
Read the Gemini for Google Workspace record → · Read the Microsoft 365 Copilot record →