Copilot Cowork and Viktor. Choose how the work gets done.
Microsoft's agent inside Microsoft 365 that carries out multi-step tasks across your Office apps and data. Compare that with Viktor, an AI employee for shared work in Slack and Microsoft Teams.
Used by 72,000+ teams
You don't open Viktor. You hand him the work.

Slack and Microsoft Teams, in the same thread where the work already gets discussed. No new app for the team to adopt, no context living on one person's laptop.
Get Started for FreeAnyone can tag Viktor. He shares context across the workspace, so what one person teaches him helps the whole team.
Get Started for FreeBrief him once. He uses your tools, builds the report, deck, or app, and brings the finished work back to the thread.
Get Started for FreeViktor and Copilot Cowork: how the work happens.
Start with the working environment, the people using it, and the responsibility you want to hand over.
Viktor
AI EmployeeSlack and Microsoft Teams, in the channel where the work is already discussed.
The whole team. Anyone can tag Viktor; context belongs to the workspace.
Reads the request, uses connected tools, produces the deliverable, and reports back in the thread.
Shared workspace context. What one person teaches Viktor can help the team.
9,800+ integrations, browser access, code execution, and published pages and apps.
Copilot Cowork
AgentMicrosoft 365 Copilot app, inside the M365 trust boundary.
Users who hold a M365 Copilot USL.
High, long-running, multi-tool, plugin extensible.
Grounded in Work IQ and tenant data.
M365 estate plus plugins.
Two questions decide the whole category.
See where Copilot Cowork and Viktor fit: where each one works, and how much of the job it takes on.
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Viktor vs Copilot Cowork
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| Surface | Slack and Microsoft Teams, in the channel where the work is already discussed. | Microsoft 365 Copilot app, inside the M365 trust boundary. |
|---|---|---|
| Works for | The whole team. Anyone can tag Viktor; context belongs to the workspace. | Users who hold a M365 Copilot USL. |
| Who owns the job | Reads the request, uses connected tools, produces the deliverable, and reports back in the thread. | High, long-running, multi-tool, plugin extensible. |
| Memory | Shared workspace context. What one person teaches Viktor can help the team. | Grounded in Work IQ and tenant data. |
| Tools | 9,800+ integrations, browser access, code execution, and published pages and apps. | M365 estate plus plugins. |
| Price shape | Shared workspace credits from $100/month, without a subscription for each teammate. | Check Copilot Cowork's current plans for pricing, included usage, and availability. |
| Best for | Ongoing team work across your connected tools. | You want delegated tasks grounded in your Microsoft 365 work and data. |
Product information: Copilot Cowork website ↗. Check the provider for current plans and availability.
One employee for your team's work.

1Team-native by default
Brief Viktor in Slack or Microsoft Teams. The request, the work, and the result stay connected to the conversation your team can follow.

2Breadth of the whole stack
Connect 9,800+ tools, use a real browser, and run code. Viktor can bring information together and deliver reports, documents, and apps.
1 teammate
One pool
10 teammates
One pool
3A price that fits a team
Your workspace shares one credit pool, starting at $100/month. Add teammates without adding a per-person subscription.
When to choose Viktor vs Copilot Cowork
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FAQ
Microsoft's agent inside Microsoft 365 that carries out multi-step tasks across your Office apps and data.
Microsoft 365 Copilot app, inside the M365 trust boundary. High, long-running, multi-tool, plugin extensible. Viktor takes requests in Slack and Microsoft Teams and works across the team's connected tools.
You want delegated tasks grounded in your Microsoft 365 work and data. Microsoft's agent inside Microsoft 365 that carries out multi-step tasks across your Office apps and data.
Copilot Cowork belongs to Microsoft in this catalog. Its tool type is Agent. The family groups related products; the tool type describes what this product does.
Start free. Pay only when you're ready.
Every feature. Every integration. $100 in credits on the house. No credit card, no sales call, no catch. When you need more, it starts $100/month.
Up to $100 in free credits
Every feature, every integration. When you need more, it starts $100/month.
- 9,800+ integrations
- Slack and Teams
- Reports, dashboards, apps
- Code and PR reviews
- SOC 2 compliant