kitio.aiMicrosoft Agent Framework vs Pydantic AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Microsoft Agent Framework starts at Free and Pydantic AI starts at Free. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Python and .NET SDKs
- Graph-based workflows
- Multi-agent orchestration
- Checkpointing
- OpenTelemetry tracing
- Typed agent outputs
- Function tools
- Multi-provider support
- MCP support
- Logfire tracing
| Feature | Microsoft Agent Framework | Pydantic AI |
|---|---|---|
| Best for | Microsoft's open-source successor to AutoGen and Semantic Kernel | Type-safe Python agent framework from the Pydantic team |
| Category | Agents & automation | Agents & automation |
| Pricing model | Free | Free |
| Starting price | Free | Free |
| Free plan | Yes, fully free | Yes, fully free |
| Made by | Microsoft | Pydantic |
| Based in | United States | United Kingdom |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Microsoft Agent Framework starts at Free and Pydantic AI starts at Free. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
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
Microsoft Agent Framework
- Supported long term by Microsoft
- First-class .NET support
- Combines AutoGen and Semantic Kernel
- Migration from older SDKs takes work
- Best fit with Azure services
Pydantic AI
- Strong typing reduces bugs
- Familiar to Pydantic users
- Model-agnostic
- Code-only
- Fewer prebuilt integrations than LangChain
Which one should you choose?
Choose Microsoft Agent Framework if you want:
- Supported long term by Microsoft
- First-class .NET support
- Combines AutoGen and Semantic Kernel
Watch out: migration from older sdks takes work.
Choose Pydantic AI if you want:
- Strong typing reduces bugs
- Familiar to Pydantic users
- Model-agnostic
Watch out: code-only.
Microsoft Agent Framework vs Pydantic AI FAQ
What is the difference between Microsoft Agent Framework and Pydantic AI?
Microsoft Agent Framework: Microsoft's open-source successor to AutoGen and Semantic Kernel. Pydantic AI: Type-safe Python agent framework from the Pydantic team. Both are agents & automation tools.
Is Microsoft Agent Framework or Pydantic AI cheaper?
Microsoft Agent Framework starts at Free and Pydantic AI starts at Free. Check both pricing pages for current plans.
Do Microsoft Agent Framework and Pydantic AI have free plans?
Microsoft Agent Framework: Yes, fully free. Pydantic AI: Yes, fully free.
Who makes Microsoft Agent Framework?
Microsoft Agent Framework is made by Microsoft, based in United States.
Who makes Pydantic AI?
Pydantic AI is made by Pydantic, based in United Kingdom.
Which should I choose, Microsoft Agent Framework or Pydantic AI?
Choose Microsoft Agent Framework if you value supported long term by microsoft and first-class .net support. Choose Pydantic AI if you value strong typing reduces bugs and familiar to pydantic users.