Best structured output AI tools

Pydantic AI is a Python agent framework from the creators of Pydantic, designed to simplify building production-grade Generative AI applications. It offers a model-agnostic approach, supporting major LLMs like OpenAI, Gemini, and Anthropic. By leveraging Pydantic's robust validation, it ensures type-safe, structured outputs, aiming to bring the ergonomic and intuitive developer experience of FastAPI to the world of AI agent development.