ChatGPT BusinessStandard seat $20/user/mo billed annually or…
Microsoft 365 CopilotEnterprise add-on $30/user/mo paid yearly (o…ChatGPT Business vs Microsoft 365 Copilot
A Microsoft 365 team should check its included Chat entitlement before buying anything. The paid Copilot add-on targets work inside Microsoft apps; ChatGPT Business is a separate general-assistant workspace. Compare the actual licence and unfinished task, not the word Copilot against the word ChatGPT. Pricing facts last verified 2026-10-26.
- ChatGPT Business starts at $20/seat/mo (annual, 2-seat min), with a free plan.
- Microsoft 365 Copilot starts at $30/user/mo (annual, enterprise add-on), no free plan.
- From our ChatGPT Business review: Works inside Word, Excel, Outlook and Teams with your Microsoft 365 data; needs a qualifying Microsoft 365 licence.
- From our Microsoft 365 Copilot review: Standalone assistant with ChatGPT Work and Codex; EU data residency only on Enterprise.
ChatGPT Business review · Microsoft 365 Copilot review · ChatGPT Business alternatives · Microsoft 365 Copilot alternatives
For an employee preparing an Outlook reply from an approved document, identify the source and permissions that the assistant should use. For a standalone research or coding task, identify the required output instead. The enterprise Copilot rate needs a qualifying Microsoft 365 licence beside it; ChatGPT Business needs its paid-seat minimum. A monthly payment on an annual commitment is not a cancel-any-month offer.
OpenAI's self-serve ChatGPT workspace for teams of 2–200, with ChatGPT Work, Codex, deep research, plugins, shared Space and admin controls.
- Starting price
- Standard seat $20/user/mo billed annually or…
- Free tier
- Yes
- Setup
- ~15 min (est.)
Microsoft 365 Copilot
Full listing →Microsoft's AI assistant inside Word, Excel, PowerPoint, Outlook and Teams, grounded in your Microsoft 365 data, with Researcher and Analyst agents and agent building in Copilot Studio.
- Starting price
- Enterprise add-on $30/user/mo paid yearly (o…
- Free tier
- No
- Setup
- Microsoft 365 tenant + qualifying licence; admin rollout
Full comparison
| Feature | ChatGPT Business | Microsoft 365 Copilot |
|---|---|---|
| Pricing | Standard seat $20/user/mo billed annually or $25 monthly; Premium seat $100/user/mo billed annually or $125 monthly. Minimum 2 paid seats, up to 200. Enterprise: custom pricing. | Enterprise add-on $30/user/mo paid yearly (or $31.50 paid monthly on an annual commitment); requires a qualifying Microsoft 365 licence. Copilot Business add-on for up to 300 users from $18/user/mo paid yearly (promo; list $21) or $25.20 monthly. Copilot Chat included at no extra cost. |
| Free tier | Yes | No |
| Setup time | ~15 min (est.) | Microsoft 365 tenant + qualifying licence; admin rollout |
| No-code | Yes | No |
| Replaces | Personal ChatGPT accounts, ad-hoc research and first drafts | Manual drafting, inbox triage and meeting recaps across Microsoft 365 |
| Best for | Any office-based SMB, Agencies, Consultancies | Mid-market, Enterprise, Regulated industries on Microsoft 365 |
| Integrations | Google Workspace, Microsoft 365, Slack, GitHub, Excel, Word, PowerPoint & Google Sheets extensions, Plugins | Word, Excel, PowerPoint, Outlook, Teams, SharePoint, OneDrive, Loop, Copilot Studio, 100+ Copilot connectors |
| Pros | **Broad toolkit in one seat:** chat, ChatGPT Work, Codex, deep research, data analysis and images.; **Flexible seats:** mix $20 Standard and $100 Premium seats; add credits for usage peaks.; **No training on business data** by default, with SAML SSO on Business.; **Office and Google Sheets extensions** plus connectors to Google Workspace, Microsoft 365 and Slack.; **Self-serve** sign-up and monthly billing available. | **Built into Microsoft 365 apps** people already use, so less change management.; **Grounded in your own Graph data** with existing permissions respected.; **Strong compliance story:** EU Data Boundary, data residency commitments, ISO 27001/42001, HIPAA.; **Agents and Copilot Studio** for custom processes with governance.; **Copilot Chat included** at no extra cost for eligible users. |
| Cons | **2-seat minimum** and a 200-seat cap.; **No EU data residency, SCIM or RBAC** on Business; they need Enterprise.; **Usage limits** on Standard seats; heavy use needs Premium seats or credits.; **API usage is billed separately.**; **No free Business trial** stated on the pricing page. | **$30/user/mo add-on** on top of a qualifying Microsoft 365 licence.; **Annual commitment** even when paying monthly.; **Usage-based billing** for some advanced AI features makes total cost harder to predict.; **Oversharing risk:** Copilot surfaces anything a user can access, so permissions need cleanup first.; **Anthropic models are excluded** from the EU Data Boundary, which matters for EU tenants. |
| Segment | Small business | Enterprise |
| Sources |
Which should you choose?
Start with Copilot when the important work lives inside the eligible Microsoft apps and its entitlement fits. Investigate ChatGPT Business for the broader standalone workspace. We haven't benchmarked either on the same business task, and buying both only makes sense when their distinct jobs justify the duplicated seat bill.
ChatGPT Business vs Microsoft 365 Copilot: FAQ
How much does ChatGPT Business cost compared with Microsoft 365 Copilot?
ChatGPT Business: $20/seat/mo (annual, 2-seat min). Microsoft 365 Copilot: $30/user/mo (annual, enterprise add-on). Prices from each vendor's pricing page, checked 2026-10-26.
Do ChatGPT Business and Microsoft 365 Copilot have a free plan?
ChatGPT Business: yes, a free plan or free tier is listed. Microsoft 365 Copilot: no free plan is listed.
What is the main difference between ChatGPT Business and Microsoft 365 Copilot?
Works inside Word, Excel, Outlook and Teams with your Microsoft 365 data; needs a qualifying Microsoft 365 licence.
Which is better, ChatGPT Business or Microsoft 365 Copilot?
Start with the work you need done. ChatGPT Business mainly replaces personal chatgpt accounts, ad-hoc research and first drafts; Microsoft 365 Copilot mainly replaces manual drafting, inbox triage and meeting recaps across microsoft 365. We haven't run hands-on tests of either yet, so we don't declare a winner.
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