Kelu vs Microsoft 365 Copilot
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Microsoft 365 Copilot is Microsoft's AI inside Outlook, Word, Excel, PowerPoint and Teams, grounded in your Microsoft 365 data and in other apps through Copilot connectors. It is built for your employees. Kelu is a docs and support assistant that indexes 24 source types (OneDrive is one) and answers customers and staff with citations on a widget, Slack and Teams bots, MCP, and inside Zendesk, Intercom, Freshdesk, Front and Linear.
Choose Microsoft 365 Copilot if your goal is helping employees work faster inside Outlook, Word, Excel and Teams, and your company is standardised on Microsoft 365. Choose Kelu if you need cited answers from your docs for customers as well as staff — a website widget, Slack and Teams bots, MCP and Support Ticket AI in your helpdesk — on a flat plan rather than a per-employee licence.
Feature comparison
Information about Microsoft 365 Copilot is drawn from Microsoft's own pricing, product and Learn pages.
Where Kelu focuses differently
Built for customers, not only employees
Copilot helps employees inside Microsoft 365. Kelu ships a hosted widget for your docs or product site, a form deflector, and Slack and Teams bots for community and customer channels. Microsoft-hosted content can be a source; Kelu is the assistant that answers from it in public.
One knowledge base for your docs stack
Copilot can reach other apps through 100+ connectors, set up by your Microsoft 365 admins. Kelu connects the sources a docs and support team uses — docs sites, GitHub, Notion, Confluence, Drive, OneDrive, help centers and solved tickets — into one knowledge base, keeps them in sync, and holds back large removals for review.
Support Ticket AI inside your helpdesk
Kelu answers tickets inside Zendesk, Intercom, Freshdesk, Front and Linear when your sources cover the question, and tags the rest for a person. Draft only mode leaves answers as private notes for agents to review. Different job from an employee assistant.
Not priced per Microsoft 365 seat
Microsoft 365 Copilot is $30 per user per month (annual) on top of your Microsoft 365 licence. Kelu is standalone, with a $0 free plan and Pro at $99 a month — you don't pay per reader for a customer-facing widget.
Got questions?
Frequently asked questions
Should I use Microsoft 365 Copilot or Kelu?
If your use case is 'help employees do work faster inside Outlook, Word, Excel and Teams', Microsoft 365 Copilot is well suited. If your use case is 'answer questions from our docs on our site, in Slack and Teams, and inside our helpdesk', Kelu is built for it. Many organisations use both.
Does Kelu index Microsoft 365 content?
OneDrive, yes — the OneDrive source indexes one drive, or one folder in it, through a Microsoft 365 app registration, and syncs every 10 minutes. There is no SharePoint source; only SharePoint pages that are publicly reachable can be crawled with a website source.
Can I use Copilot inside Microsoft 365 and Kelu for customers?
Yes — they're complementary. Copilot helps employees write emails and analyse spreadsheets; Kelu answers your customers on the widget, in support tools, and over MCP for AI tools.
How does pricing compare?
Microsoft 365 Copilot is $30 per user per month on an annual plan ($31.50 billed monthly), and Microsoft 365 Copilot Business is $21 per user per month for up to 300 users; both need a qualifying Microsoft 365 licence. Copilot Chat is included with eligible plans. Kelu is Free, Pro at $99 a month ($79 billed yearly), or custom Enterprise, independent of your Microsoft 365 subscription.
Is my data used to train models?
No. Your indexed content and end-user conversations are never used to train models. PII masking is set per knowledge base and covers indexed content and questions from the widget, SDKs, public chat API and Ask; zero data retention is a per-workspace setting. Microsoft also states that Copilot data is not used to train foundation models.
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