#16 in Chat AssistantsUpdated 2026-08

Microsoft 365 Copilot

by Microsoft 365 Copilot · AI assistant built into Microsoft 365 apps, chat and search

38.3 — BenchRank score out of 100

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Overview

Microsoft 365 Copilot adds AI assistance inside Word, Excel, PowerPoint, Outlook and Teams, plus a separate Copilot app for chat, search across your Microsoft 365 files, and document creation. Chat is grounded in web data, referenced and uploaded files, and Work IQ, and includes pre-built agents such as Researcher, Analyst and Facilitator.

Best for: Microsoft 365 business customers wanting AI inside Word, Excel, Outlook and Teams
Pricing: Business plans run $23.50 to $32.00 per user/month paid yearly, with the Copilot Business add-on at a promotional $18.00 (normally $21.00) per user/month paid yearly.
Runs on: iOSAndroidWindows

Strengths and trade-offs

Strengths

Copilot built into Word, Excel, PowerPoint, Outlook and Teams
Chat grounded in work data, uploaded files and web data
Pre-built agents: Researcher, Analyst and Facilitator
Copilot Chat can be tried with an existing work account

Trade-offs

Copilot Business add-on requires an existing Microsoft 365 Business plan
Annual commitment; the $18.00 rate applies to the first year only
Copilot Cowork is metered rather than included in the plan
Business plans cap identity and access management at 300 users

Pricing

Published plans from Microsoft 365 Copilot’s own pricing page, in USD. Usage charges and add-ons may apply on top.

Microsoft 365 Copilot pricing tiers, monthly and annual rates in USD
Plan	Monthly	Annual (per month)	Includes
Microsoft 365 Business Premium with Copilot	—per user	$32	Copilot in Word, Excel, PowerPoint, Outlook and Teams Advanced identity and access management for up to 300 users 1 TB of cloud storage per user Discovery, classification and protection of sensitive data
Microsoft 365 Business Standard with Copilot	—per user	$23.5	Copilot in Word, Excel, PowerPoint, Outlook and Teams Identity and access management for up to 300 users Custom business email and 1 TB of cloud storage per user Automatic spam and malware filtering
Microsoft 365 Copilot Business	—per user	$18	Add-on requiring an eligible Microsoft 365 Business plan AI-powered chat with Work IQ and reasoning AI Pre-built agents including Researcher, Analyst and Facilitator Adoption and usage analytics, plus LLM model choice

How this score is made up

Each dimension is scored out of 100 and combined into the headline score using fixed weights.

MCP support: 0 out of 100
API quality: 0 out of 100
Documentation: 0 out of 100
Agent friendliness: 83 out of 100
Pricing transparency: 100 out of 100
Customer sentiment: 80 out of 100
Changelog: 40 out of 100
Marketing site structure: 65 out of 100
Operational trust: 25 out of 100

Measured, but not part of the score

Useful to know, but not a mark for or against the product — so these do not affect the ranking.

Openness: 0 out of 100

This doesn’t look right — report a problem with Microsoft 365 Copilot’s score

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