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Dev.to
5/10/2026
From Pydantic Model to AI Agent in 10 Lines of Python

From Pydantic Model to AI Agent in 10 Lines of Python

Short summary

exomodel is an open-source Python framework that turns Pydantic models into AI agents for structured data extraction. Instead of writing prompts and parsing JSON, you define your schema and call .create() with natural language input. Works with any LLM provider (Google, OpenAI, Anthropic, Cohere), supports RAG for business rules, and enables autonomous function calling through @llm_function decorators.

  • Pydantic schema → AI agent conversion without manual prompt engineering
  • Provider-agnostic (Google, OpenAI, Anthropic, Cohere) with built-in validation
  • RAG support for business rules and @llm_function for autonomous method calling

Generated with AI, which can make mistakes.

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