# Microsoft 365 Copilot: how AI models rank it, October 2026

IT AI Recommendation Index, October 2026 Edition. Named in 42 judge labels across 3 categories by 14 of 14 models. Page: https://it-ai-index.com/vendors/microsoft-365-copilot/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Enterprise AI assistants | 25% | 2 | 20% | 40 |
| AI governance platforms | 0% | 68 | 0% | 1 |
| AI security platforms | 0% | 205 | 100% | 1 |

## What the models said for it

- "If an organization uses Windows and O365 exclusively, Copilot is the default choice due to seamless access to SharePoint documents without leaving the app." (Qwen 3.7 Flash, Enterprise AI)
- "my default recommendation would be Microsoft 365 Copilot if your employees already live in Microsoft 365 and Teams" (GPT-5.4 mini, Enterprise AI)
- "My default recommendation: choose Microsoft 365 Copilot if your company already runs on Microsoft 365" (GPT-6 Luna, Enterprise AI)
- "If you're on Microsoft 365, Microsoft Copilot is the strongest overall recommendation for mid-market B2B" (DeepSeek V4 Flash, Enterprise AI)

## And against it

- "Multiple controversies—EchoLeak (CVE-2025-32711) enabled zero-click data extraction via email injections; summarized confidential emails ignoring DLP/sensitivity labels." (Grok 4.1 Fast, Enterprise AI)
- "Microsoft 365 Copilot was exploited via a zero‑click prompt injection in email (CVE‑2025‑32711), exfiltrating data from OneDrive/SharePoint/Teams without user action." (GLM 4.7 FlashX, Enterprise AI)
- "Do not deploy M365 Copilot unless you have spent months cleaning up internal file-sharing permissions" (Gemini 3.5 Flash, Enterprise AI)
- "Repeatedly flagged in data-risk reports for accessing sensitive company data" (DeepSeek V4 Flash, Enterprise AI)

## In its own words

What Microsoft 365 Copilot's own pages state, read 2026-10-05. Stated by the vendor, not checked by the index.

- Positioning: Трансформирайте работата с ИИ, вграден в ежедневни приложения и доверена интелигентност. (https://www.microsoft.com/bg-bg/microsoft-365/modern-workplace)
- For: работното си място (https://www.microsoft.com/bg-bg/microsoft-365/modern-workplace)
- Free plan or trial: Free forever (https://clarity.microsoft.com/copilot)
- Certifications: GDPR & CCPA ready
- Customers named: ICG, Dow, Clifford Chance, Campari Group, Lumen Technologies, Air India

## Record

- Method: https://it-ai-index.com/methodology/
- Raw judge labels and full responses: https://it-ai-index.com/data/
- License: CC BY 4.0. Cite as IT AI Recommendation Index, October 2026 Edition, it-ai-index.com.