The verdict
On the data we hold, Microsoft 365 comes out ahead. Here is why, point by point.
Side by side
| At a glance | ||
|---|---|---|
| Starts at | $7/mo | |
| Free plan | ||
| API | Yes | Yes |
| MCP server | Yes | Yes |
| Links |
Plans and pricing
Microsoft 365
- Microsoft 365 Business Basic$84/yr/seat
- Microsoft 365 Business Standard with Copilot$282/yr/seat
- Microsoft 365 Business Premium with Copilot$384/yr/seat
OpenAI API
Pricing not in our catalogue yet.
Who each is for
Choose Microsoft 365 if…
A small or mid-size business that wants one licence for Office apps, business email, Teams and cloud storage, and is not tied to Google Workspace.
Choose OpenAI API if…
A product or operations team with a developer that wants to build its own AI steps, such as drafting, classifying or voice, and prefers paying by usage over buying seats.
Other options worth a look
Combines spreadsheet simplicity with database structure so teams build custom workflows, trackers and apps without code.
Combines documents, spreadsheets, and databases into one workspace for building custom trackers and internal tools.
Get instant answers to questions backed by live web search results and inline source citations.
Bundle business email, shared documents, spreadsheets, and video meetings in one cloud subscription.
Call Claude models from your own code to build AI applications, agents, and automations.
Collects event data and routes it to your warehouse and 200+ business tools with open-source infrastructure.