Microsoft 365 Copilot vs Google Gemini for Workspace vs Amazon Q. The per user metric, the prerequisite stack, the EA, EDP, and CUD bundles, and the buyer.
The Copilot vs Gemini vs Amazon Q decision sits inside a commercial cycle where Microsoft controls the calendar, the pricing reference points, and the audit posture. The buyer side discipline is to flip that control. This paper is the executive briefing we hand to clients ahead of any consequential Microsoft commitment event.
The recommendations are deliberately ordered. Recommendation one earns the right to use the rest. The framework is built from over five hundred enterprise engagements across the eleven vendor practices we cover. It is current to 2026 commercial reality.
If you want the underlying advisory engagement, the Microsoft buyer side advisory page describes the scope. If you want the broader practice context, the Microsoft hub indexes every research paper, case study, and playbook we publish.
The paper opens with an executive brief, walks through each topic with strategy plus tactics, and closes with the contract clause appendix, the discount benchmark tables, and a self assessment diagnostic.
All three price the enterprise assistant per user per month, with Copilot tied to Microsoft 365, Gemini to Google Workspace, and Amazon Q to the AWS stack. The per user rate is similar at list, so the real differentiator is the discount your incumbent suite unlocks. Bundling with the existing suite is the main lever.
The cheapest is usually the one bundled with your incumbent productivity suite, because the vendor discounts the assistant to defend the larger seat base. The buyer side move is to make all three compete even if you only intend to deploy one.
Across the AI assistant deals we benchmarked in 2024 to 2025, buyers recovered roughly 15 to 30 percent by staging rollout and tying seats to demonstrated usage rather than a blanket deployment. Most overspend is assistant seats bought ahead of proven adoption.
No, a measured rollout tied to usage protects against paying for seats that go idle. The buyer side move is a pilot with a price lock that holds when you scale, not a full estate commitment on day one.
Negotiate at the incumbent suite renewal, when the vendor is most motivated to defend the seat base. With competitive quotes from the other two assistants in hand, the discount widens.
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