instructor
A Python library that provides reliable, validated JSON outputs from any LLM using Pydantic models.
What is instructor?
Instructor is a Python library that enables developers to extract structured, validated JSON data from any large language model (LLM). It solves the problem of unreliable and unstructured LLM outputs by using Pydantic models to define schemas, automatically handling validation, retries, and parsing.
Developers and data scientists building AI applications that require reliable structured data extraction from LLMs, such as data parsing, content analysis, or automation workflows.
Developers choose Instructor for its simplicity, type safety, and provider-agnostic design. It eliminates the need for manual JSON schema writing, error handling, and retry logic, offering a battle-tested solution focused solely on structured extraction.
Overview
structured outputs for llms
Use Cases
Best For
- Extracting structured user information from natural language text
- Parsing product details from e-commerce descriptions
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