Pydantic AI pricing
Pydantic AI is free to use.
FreeChecked Nov 13, 2026 against pydantic.dev
Plans and prices
- Starts at
- Free
- Free plan
- The SDK is free and MIT-licensed; you pay your model providers directly.
- Free trial
- None listed
| Plan | Price | What you get |
|---|---|---|
| Open source | $0 | Install the Python package and run agents in your own code; no paid plan exists for the SDK itself. |
Read from pydantic.dev on Nov 13, 2026. Prices change, so confirm with Pydantic AI before you buy.
How Pydantic AI's price compares
| Tool | Starts at | Free plan | |
|---|---|---|---|
| Pydantic AI | Free | Yes | |
| LangGraph | $39 per seat / month, billed monthly | Yes | Compare |
| Mastra | $25 per workspace / month | Yes | Compare |
| Agno | $150 per month for the Pro control plane | Yes | Compare |
| CrewAI | Free plan | Yes | Compare |
| LlamaIndex | $500 per month (Pro), after pay-as-you-go from $0 | Yes | Compare |
Each price is the vendor’s own, with its billing basis as stated. Check dates are on each tool’s page.
Pydantic AI pricing questions
Is Pydantic AI free?
Yes. Pydantic AI is free to use. The SDK is free and MIT-licensed; you pay your model providers directly.
How much does Pydantic AI cost?
Pydantic AI lists one plan. Open source: $0. Prices were read from pydantic.dev on Nov 13, 2026.
When were Pydantic AI's prices last checked?
On Nov 13, 2026, against pydantic.dev. Vendors change prices without notice, so confirm on their site before you buy.