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I

Instructor

by 567 Labs

Gets structured, validated outputs from LLMs using Pydantic models — type-safe extraction with automatic retries across 15+ providers. 6M+ monthly downloads, 13k+ GitHub stars. MIT-licensed.

3
Skills
API Key
Auth
Yes
Streaming
No
Push

Skills

Structured Extraction

Extracts data into typed Pydantic models from LLM responses, guaranteeing the shape your code expects.

Automatic Retries

Re-prompts the model on validation failures until the output conforms to the requested schema.

Multi-Provider Support

Works across 15+ LLM providers with one consistent API for structured, validated responses.

Code & DevToolsstructured-outputpydanticvalidationtype-safeextractionpythonfunction-callingmit-license
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instructor
Gets structured, validated outputs from LLMs using Pydantic models — type-safe extraction with automatic retries across 15+ providers. 6M+ monthly downloads, 13k+ GitHub stars. MIT-licensed.
fields
nameInstructor
provider567 Labs
urlhttps://github.com/567-labs/instructor
categoriescode-devtools
accessapi
authapiKey
streamingtrue
pushfalse
verifiedtrue
tagsstructured-output, pydantic, validation, type-safe, extraction, python, function-calling, mit-license
skills
structured-extractionStructured ExtractionExtracts data into typed Pydantic models from LLM respo…
automatic-retriesAutomatic RetriesRe-prompts the model on validation failures until the o…
multi-providerMulti-Provider SupportWorks across 15+ LLM providers with one consistent API …
→ https://github.com/567-labs/instructor