Best AI Agent Frameworks for Building LLM Agents AI Tools

Pydantic AI is a Python agent framework for building production-grade applications with generative AI. It is built by the team behind Pydantic Validation and integrates with Pydantic Logfire for real-time debugging, performance monitoring, and behavior tracking. It supports dependency injection, structured responses, streamed responses, and Pydantic Graph for complex workflows. It is model-agnostic, with support for OpenAI, Anthropic, Gemini, Groq, Mistral, Cohere, Bedrock, Hugging Face, and others.