OpenAI
97TriVista score
ChatGPT Enterprise
A workplace AI assistant that helps staff write, research, and analyze data, kept private and never used to train the model.
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ChatGPT Enterprise vs Microsoft 365 Copilot
Compare up to four tools by their main job, cost, setup requirements, and data security. Choose two to four tools below.
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Enterprise AI Assistants and Workspaces
Costs are planning estimates, not vendor quotes. See the assumptions below.
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Microsoft
86TriVista score
Microsoft 365 Copilot
An AI helper built into Word, Excel, Outlook, and Teams that drafts, summarizes, and answers questions inside the apps you already use.
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ChatGPT Enterprise97 TriVista score
Microsoft 365 Copilot86 TriVista score
Category rank
#1
#4
Research confidence
Strong support
Strong support
Cost
Tool
ChatGPT Enterprise97 TriVista score
Microsoft 365 Copilot86 TriVista score
Plans and pricing
Enterprise. Quote required; planning allowance
Enterprise add-on. Public incremental add-on rate; prerequisite license excluded as incumbent
First year
$40KBase estimateLow $26.5K · High $61.4K
$28.8KBase estimateLow $19.1K · High $44.5K
Per user or unit
$2KBase estimateLow $1.3K · High $3.1KPer enabled user, first year
$1.4KBase estimateLow $953 · High $2.2KPer enabled user, first year
Three years
$91.6KBase estimateLow $62.7K · High $136.6K
$65.5KBase estimateLow $44.6K · High $98.5K
Cost assumptions
Based on 20 enabled users. Pricing model: Per user plus flexible usage credits. Confirm the vendor’s billing unit and current price or quote before budgeting.
Based on 20 enabled users. Pricing model: Per user add-on plus qualifying Microsoft 365 license. Confirm the vendor’s billing unit and current price or quote before budgeting.
Setup and security
Tool
ChatGPT Enterprise97 TriVista score
Microsoft 365 Copilot86 TriVista score
Setup requirements
Confirm company sign-in, device support, workspace setup, approved connections, data rules, and data location.
Qualifying Microsoft 365 plan, Entra identity, permission hygiene, SharePoint/OneDrive governance, DLP and Purview controls, user training, and adoption metrics.
Data and security
Check how the vendor uses your data, how long it keeps it, who can access it, and where it is handled.
Copilot honors existing Microsoft 365 permissions, but a rollout should include oversharing remediation, Purview/DLP controls, security dashboard access, and identity governance.
Recommended next step
Confirm the workflow, owner, data access, controls, price, and success measure before choosing it
Complete the required permissions, governance, and data-quality review before a narrow pilot
Before you choose
Test the shortlisted tools on the same task with the same success criteria. Confirm current pricing, data terms, and setup requirements, and resolve any research holds before approving a pilot. Scores rank tools within their own category, not across all tools.
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