Structured outputs from LLMs — type-safe validation via Pydantic
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Claim This ListingInstructor makes it easy to get structured data like JSON from LLMs. Patches the OpenAI client to return Pydantic models instead of raw text. Supports streaming, retry logic, and works with Anthropic, Cohere, Mistral, and Gemini. 9k+ GitHub stars. The standard for structured LLM output in Python.
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