# LlamaIndex vs PydanticAI — Fit & Features

Canonical: https://trutool.co/compare/llamaindex-vs-pydantic-ai
Author: Snehil (https://trutool.co/authors/snehil)

Compare LlamaIndex and PydanticAI by use case, features, limitations, and evaluation questions.

## Compare fit, features, and limitations

### LlamaIndex
Data framework and platform for building agents over enterprise information.
Best fit: Developers building and evaluating custom agents.
- Data framework and platform for building agents over enterprise information
Before you choose: Check licensing, maintenance status, supported providers, and hosting or inference costs.
Pricing: https://www.llamaindex.ai/
- [Read LlamaIndex profile](https://trutool.co/tools/llamaindex): Read LlamaIndex profile

### PydanticAI
Python agent framework with typed outputs and dependency injection.
Best fit: Developers building and evaluating custom agents.
- Python agent framework with typed outputs and dependency injection
Before you choose: Check licensing, maintenance status, supported providers, and hosting or inference costs.
Pricing: https://ai.pydantic.dev/
- [Read PydanticAI profile](https://trutool.co/tools/pydantic-ai): Read PydanticAI profile