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Pydantic AI

pydantic/pydantic-ai

A Python agent framework designed to help developers build production-grade applications and workflows with Generative AI, emphasizing type-safety, structured validation, and ergonomic design.

★ 19.1K별점
⑂ 2.5K포크 수
673미해결 이슈
Python언어
MIT라이선스
Q@project.QualityScore편집 점수

프로젝트 스크린샷

Pydantic AI 스크린샷 Pydantic AI 스크린샷

개요

Pydantic AI brings the developer experience popularized by FastAPI to GenAI agent development. Built by the Pydantic team, it leverages Pydantic Validation at its core to provide fully type-safe agents, structured output validation, and dependency injection. The framework is model-agnostic, supporting a wide array of LLM providers and allowing custom model implementations. It also features seamless observability integration with Pydantic Logfire, powerful evaluation tools, and extensible composable capabilities.

주요 기능

  • Built by the Pydantic Team leveraging Pydantic Validation
  • Model-agnostic support for numerous LLM providers and custom models
  • Fully type-safe design moving errors from runtime to write-time
  • Seamless observability integration with Pydantic Logfire and OpenTelemetry
  • Powerful evals for systematic testing and performance monitoring
  • Extensible by design using composable capabilities (e.g., web search, thinking, MCP)
  • Model Context Protocol (MCP) integration for external tools and data
  • UI event stream standards for interactive streaming applications
  • Human-in-the-loop tool approval
  • Durable execution for long-running and asynchronous workflows
  • Streamed structured outputs with immediate validation
  • Graph support for complex control flows
  • Dependency injection for type-safe behavior customization

요구 사항, 설치 및 빠른 시작

Follow the installation or quick-start section in the repository README and run its dependency setup commands. Repository: https://github.com/pydantic/pydantic-ai

사용 정보

Define an agent with `Agent(model, deps_type=..., output_type=..., instructions=...)`. Register tools using the `@agent.tool` decorator and dynamic instructions with `@agent.instructions`. Run the agent synchronously with `agent.run_sync(prompt)` or asynchronously with `await agent.run(prompt, deps=...)`. Access validated structured output via `result.output`.

모델 호환성 및 사용 사례

Model-agnostic. Supports OpenAI, Anthropic, Gemini, DeepSeek, Grok, Cohere, Mistral, Perplexity, Azure AI Foundry, Amazon Bedrock, Google Cloud, Ollama, LiteLLM, Groq, OpenRouter, Together AI, Fireworks AI, Cerebras, Hugging Face, GitHub, Heroku, Vercel, Nebius, OVHcloud, Alibaba Cloud, SambaNova, Snowflake Cortex, and Z.AI. Custom models can be implemented.

라이선스 및 위험 참고 사항

MIT License.

Editorial verification 2026-08-09: repository URL, owner, description, license and repository statistics were reviewed. License metadata: MIT. README was fetched for the channel draft; re-check repository dependencies, releases and model terms before production use.

릴리스 및 유지 관리

Not stated in the repository metadata.

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