Head-to-head

Perplexity Enterprise Pro vs ChatGPT Business vs Microsoft 365 Copilot

Perplexity Enterprise Pro

9.0 $34

ChatGPT Business

9.5 $20

Microsoft 365 Copilot

9.1 $30

Verdict

Perplexity Enterpr

The sharpest tool for team research: it searches the open web and your uploaded files together and cites every answer, at $40/seat/mo. Know that it's a research engine, not an Office-style suite; the API is billed separately; and some security features need 50+ seats.

ChatGPT Business

The most flexible single AI subscription: GPT-5.5 plus Deep Research, Custom GPTs, Canvas, and the Codex coding agent in one team workspace with strong admin controls. The two-seat minimum and per-seat feature limits aside, it does the most for the money.

Microsoft 365 Copi

The default AI layer for Microsoft-heavy teams: unmatched inside Word, Excel, Outlook, and Teams, and grounded in your own data through Graph. Just budget for the base license it rides on (real cost runs 2-3x the add-on price), and don't expect it to reach non-Microsoft tools.

Best for

Perplexity Enterpr

Students, researchers, founders, and teams that care about source-backed answers, market research, competitor research, fact-checking, and fast topic exploration.

ChatGPT Business

Small businesses, solo operators, students, creators, and teams that want one flexible AI assistant for writing, research, planning, analysis, brainstorming, and everyday productivity.

Microsoft 365 Copi

Teams already standardized on Microsoft 365 who want AI built directly into the apps they live in — drafting and triaging email in Outlook, recapping meetings and surfacing action items in Teams, generating and rewriting documents in Word, building slides in PowerPoint, and getting formula and analysis help in Excel — without copying work into a separate chatbot.

Avoid if

Perplexity Enterpr

you mainly need creative production, design assets, or a broad assistant for writing, planning, and internal operations.

ChatGPT Business

your main need is AI embedded directly inside Microsoft 365 or Google Workspace, or you only need a narrow specialist tool for design, grammar, or source-backed research.

Microsoft 365 Copi

Your organization isn't on a qualifying Microsoft 365 business plan, your team mostly works in Google Workspace or standalone tools, or you primarily want a general-purpose chat assistant for research and writing rather than AI embedded inside the Office apps.

Score breakdown

fit

Perplexity

9.0

ChatGPT Bu

9.6

Microsoft

9.2

ease

Perplexity

9.1

ChatGPT Bu

9.2

Microsoft

9.2

value

Perplexity

8.7

ChatGPT Bu

9.0

Microsoft

8.6

quality

Perplexity

9.2

ChatGPT Bu

9.5

Microsoft

8.9

Specs

API

Sonar API billed separately — Enterprise seats include no API credits

Not included — billed separately

—

Price

$40/seat/mo ($400/seat/year, ~17% annual discount; $30/seat education & nonprofit)

$25/user/mo monthly, $20/user/mo annual (2-seat minimum)

—

Models

Multiple frontier models (GPT, Claude, Gemini); admins can restrict which models employees use

GPT-5.5 and GPT-5.5 Pro, plus reasoning/Thinking models

OpenAI (GPT) models, with Anthropic Claude now also selectable

Spaces

Shared team workspaces to organize research by project, with large org-wide file limits

—

Seat minimum

Per-seat; sales typically engages teams of 5+ (no broadly published hard minimum)

—

Comet browser

Chromium-based AI browser, free as of 2026

—

Data training

Company data is not used to train Perplexity's models; opt-out available

—

Core capability

Searches the web and your uploaded internal files together, with cited sources

—

Research limits

Unlimited Pro Searches plus a large Deep Research allowance per seat — far above consumer Pro

—

Admin & security

SSO, SCIM, role-based access, audit logging, central billing; SOC 2 Type II

Shared workspace, admin console, SAML SSO, SCIM, MFA

—

Trial

—

14-day onboarding trial

—

Compliance

—

SOC 2 Type 2, ISO 27001; no training on workspace data by default

—

Seat types

—

Standard ChatGPT seat, or usage-based Codex-only seat

—

Included tools

—

ChatGPT + Codex, Custom GPTs, Projects, Canvas, Deep Research, ChatGPT Agent, image generation

—

Knowledge connectors

—

Google Drive, SharePoint, GitHub, and company knowledge

—

Advanced-feature limits

—

Per-seat limits on Deep Research, image gen, voice, and Codex; workspace credits cover overage

—

Apps

—

Word, Excel, PowerPoint, Outlook, and Teams, plus Copilot Chat on the web

Free tier

—

Copilot Chat — web-grounded chat included with eligible M365 plans; no access to org files, email, or Teams

Add-on model

—

An add-on to Microsoft 365 — cannot be bought standalone; requires a qualifying base plan

Custom agents

—

Copilot Studio for internal agents (capacity-based; Azure subscription required to run agents)

Data grounding

—

Your organization's data via Microsoft Graph; respects each user's existing permissions

Enterprise price

—

$30/user/mo, annual commitment

True all-in cost

—

~$30–43/user/mo on the Business lane to ~$66–87 on the Enterprise lane, including the base license

Base license required

—

Business Standard/Premium (Business tier) or E3/E5 (Enterprise tier)

Security & compliance

—

SOC 2, ISO 27001, GDPR, and HIPAA support at the Enterprise tier

Business price (≤300 users)

—

$18/user/mo promotional (standard $21), annual; ~$25.20 month-to-month

Buy →Buy →Buy →

	Perplexity Enterprise Pro	ChatGPT Business	Microsoft 365 Copilot
Score	9.0	9.5	9.1
Price	$34	$20	$30
Verdict	The sharpest tool for team research: it searches the open web and your uploaded files together and cites every answer, at $40/seat/mo. Know that it's a research engine, not an Office-style suite; the API is billed separately; and some security features need 50+ seats.	The most flexible single AI subscription: GPT-5.5 plus Deep Research, Custom GPTs, Canvas, and the Codex coding agent in one team workspace with strong admin controls. The two-seat minimum and per-seat feature limits aside, it does the most for the money.	The default AI layer for Microsoft-heavy teams: unmatched inside Word, Excel, Outlook, and Teams, and grounded in your own data through Graph. Just budget for the base license it rides on (real cost runs 2-3x the add-on price), and don't expect it to reach non-Microsoft tools.
Best for	Students, researchers, founders, and teams that care about source-backed answers, market research, competitor research, fact-checking, and fast topic exploration.	Small businesses, solo operators, students, creators, and teams that want one flexible AI assistant for writing, research, planning, analysis, brainstorming, and everyday productivity.	Teams already standardized on Microsoft 365 who want AI built directly into the apps they live in — drafting and triaging email in Outlook, recapping meetings and surfacing action items in Teams, generating and rewriting documents in Word, building slides in PowerPoint, and getting formula and analysis help in Excel — without copying work into a separate chatbot.
Avoid if	you mainly need creative production, design assets, or a broad assistant for writing, planning, and internal operations.	your main need is AI embedded directly inside Microsoft 365 or Google Workspace, or you only need a narrow specialist tool for design, grammar, or source-backed research.	Your organization isn't on a qualifying Microsoft 365 business plan, your team mostly works in Google Workspace or standalone tools, or you primarily want a general-purpose chat assistant for research and writing rather than AI embedded inside the Office apps.
Score breakdown
fit	9.0	9.6	9.2
ease	9.1	9.2	9.2
value	8.7	9.0	8.6
quality	9.2	9.5	8.9
Specs
API	Sonar API billed separately — Enterprise seats include no API credits	Not included — billed separately	—
Price	$40/seat/mo ($400/seat/year, ~17% annual discount; $30/seat education & nonprofit)	$25/user/mo monthly, $20/user/mo annual (2-seat minimum)	—
Models	Multiple frontier models (GPT, Claude, Gemini); admins can restrict which models employees use	GPT-5.5 and GPT-5.5 Pro, plus reasoning/Thinking models	OpenAI (GPT) models, with Anthropic Claude now also selectable
Spaces	Shared team workspaces to organize research by project, with large org-wide file limits	—	—
Seat minimum	Per-seat; sales typically engages teams of 5+ (no broadly published hard minimum)	—	—
Comet browser	Chromium-based AI browser, free as of 2026	—	—
Data training	Company data is not used to train Perplexity's models; opt-out available	—	—
Core capability	Searches the web and your uploaded internal files together, with cited sources	—	—
Research limits	Unlimited Pro Searches plus a large Deep Research allowance per seat — far above consumer Pro	—	—
Admin & security	SSO, SCIM, role-based access, audit logging, central billing; SOC 2 Type II	Shared workspace, admin console, SAML SSO, SCIM, MFA	—
Trial	—	14-day onboarding trial	—
Compliance	—	SOC 2 Type 2, ISO 27001; no training on workspace data by default	—
Seat types	—	Standard ChatGPT seat, or usage-based Codex-only seat	—
Included tools	—	ChatGPT + Codex, Custom GPTs, Projects, Canvas, Deep Research, ChatGPT Agent, image generation	—
Knowledge connectors	—	Google Drive, SharePoint, GitHub, and company knowledge	—
Advanced-feature limits	—	Per-seat limits on Deep Research, image gen, voice, and Codex; workspace credits cover overage	—
Apps	—	—	Word, Excel, PowerPoint, Outlook, and Teams, plus Copilot Chat on the web
Free tier	—	—	Copilot Chat — web-grounded chat included with eligible M365 plans; no access to org files, email, or Teams
Add-on model	—	—	An add-on to Microsoft 365 — cannot be bought standalone; requires a qualifying base plan
Custom agents	—	—	Copilot Studio for internal agents (capacity-based; Azure subscription required to run agents)
Data grounding	—	—	Your organization's data via Microsoft Graph; respects each user's existing permissions
Enterprise price	—	—	$30/user/mo, annual commitment
True all-in cost	—	—	~$30–43/user/mo on the Business lane to ~$66–87 on the Enterprise lane, including the base license
Base license required	—	—	Business Standard/Premium (Business tier) or E3/E5 (Enterprise tier)
Security & compliance	—	—	SOC 2, ISO 27001, GDPR, and HIPAA support at the Enterprise tier
Business price (≤300 users)	—	—	$18/user/mo promotional (standard $21), annual; ~$25.20 month-to-month
	Buy →	Buy →	Buy →

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