Plus AI for Microsoft 365: PowerPoint add-in, real cost, vs Copilot
Plus AI is a third-party add-in that lives inside PowerPoint on Microsoft 365. Generation happens natively in the slide editor — no export step. At $120/yr standalone, it competes with Microsoft Copilot ($240/yr bundled with M365 Pro). Below: setup, AI quality, cost math, and when Plus AI beats Copilot.
Feature-by-feature comparison
| Plus AI | Microsoft Copilot | SlideGMM | |
|---|---|---|---|
| Annual cost | $120/yr standalone | Bundled with M365 Pro ($240/yr) | $49.99/yr |
| Lives inside PowerPoint | Yes (add-in) | Yes (native) | No (export to .pptx) |
| AI generation | Strong (focused) | Adequate (multi-product) | Strong (focused) |
| Source-to-deck (PDF/URL) | No | No | Yes |
| Works in Google Slides | Yes (extension) | No | Export-only |
| Setup time | 5 min (add-in install) | 0 (built-in) | 0 (web-based) |
Frequently asked questions
No. Plus AI is a third-party PowerPoint add-in by Plus.ai. Microsoft Copilot is Microsoft's native AI integrated into PowerPoint via your Microsoft 365 subscription. Plus AI predates Copilot and tends to have stronger generation; Copilot is cheaper if you already pay for M365 Pro.
Open PowerPoint → Insert → Get Add-ins → search "Plus AI" → click Install. Takes 5 minutes. Sign in with your Microsoft 365 account; Plus AI account creation is separate (sign in via plus.ai/login). Once installed, Plus AI appears as a tab in PowerPoint ribbon.
Copilot if you already pay $240/yr for Microsoft 365 Pro — it's bundled. Plus AI ($120/yr standalone) if you don't have M365 Pro or you want more granular AI controls. The output quality is similar; integration depth favors Copilot.
Yes. Plus AI has a Google Slides browser extension in addition to the PowerPoint add-in. Same AI engine, similar UX. Useful if your team uses both PowerPoint and Google Slides.
Limited — 7 deck generations on free, then locked. After hitting the limit, it's $10/month or $120/year for unlimited. No deeper free tier with brand kit or team features. Essentially "try before you buy."
Three reasons: (1) you don't have M365 Pro and don't want to upgrade ($240/yr); (2) you want stronger AI controls than Copilot offers; (3) you also use Google Slides and want one tool across both.