LangGraph vs Microsoft 365 Agents SDK
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Microsoft 365 Agents SDK is completely free, while LangGraph is freemium.
Microsoft SDK for building agents that run in Teams, Copilot and the web
FreeAt a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Graph-based agent design
- Persistent state
- Human-in-the-loop
- Streaming
- Python and JavaScript
- Python, JavaScript and .NET SDKs
- Deploy to Teams and Microsoft 365 Copilot
- Bring your own AI model
- Conversation state handling
- Local testing tools
| Feature | LangGraph | Microsoft 365 Agents SDK |
|---|---|---|
| Best for | Low-level framework for building stateful, controllable agents | Microsoft SDK for building agents that run in Teams, Copilot and the web |
| Category | Agents & automation | Agents & automation |
| Pricing model | Freemium | Free |
| Starting price | $39/mo | Free |
| Free plan | Yes | Yes, fully free |
| Made by | LangChain | Microsoft |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Microsoft 365 Agents SDK is completely free, while LangGraph is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Developer
Free
- 1 seat
- 5k base traces / month, then pay as you go
- Community support
Plus
$39/mo
- Per seat
- 10k base traces / month, then pay as you go
- Access to Deployment and Engine
- Unlimited seats
Enterprise
Custom
- Self-hosted and hybrid deployment
- Custom SSO, ABAC and RBAC
- Support SLA
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
LangGraph
- Fine control over agent behavior
- Strong persistence model
- Widely used in production
- Steeper learning curve
- More code than no-code builders
Microsoft 365 Agents SDK
- Free and open source
- Reaches Teams and Copilot users directly
- Works with any model or orchestrator
- Requires coding knowledge
- Hosting and Azure services cost extra
- Tied closely to the Microsoft ecosystem
Which one should you choose?
Choose LangGraph if you want:
- Fine control over agent behavior
- Strong persistence model
- Widely used in production
Watch out: steeper learning curve.
Choose Microsoft 365 Agents SDK if you want:
- Free and open source
- Reaches Teams and Copilot users directly
- Works with any model or orchestrator
Watch out: requires coding knowledge.
LangGraph vs Microsoft 365 Agents SDK FAQ
What is the difference between LangGraph and Microsoft 365 Agents SDK?
LangGraph: Low-level framework for building stateful, controllable agents. Microsoft 365 Agents SDK: Microsoft SDK for building agents that run in Teams, Copilot and the web. Both are agents & automation tools.
Is LangGraph or Microsoft 365 Agents SDK cheaper?
Microsoft 365 Agents SDK is completely free, while LangGraph is freemium.
Do LangGraph and Microsoft 365 Agents SDK have free plans?
LangGraph: Yes. Microsoft 365 Agents SDK: Yes, fully free.
Who makes LangGraph?
LangGraph is made by LangChain, based in United States.
Who makes Microsoft 365 Agents SDK?
Microsoft 365 Agents SDK is made by Microsoft, based in United States.
Which should I choose, LangGraph or Microsoft 365 Agents SDK?
Choose LangGraph if you value fine control over agent behavior and strong persistence model. Choose Microsoft 365 Agents SDK if you value free and open source and reaches teams and copilot users directly.