Instructor: Pydantic Structured Outputs for LLMs
MIT Python library (567-labs) for extracting validated JSON from any LLM via Pydantic models. 13.2k stars, 1.1k forks, v1.15.1 with Bedrock SSRF fix, support for OpenAI, Anthropic, Gemini, Cohere, Ollama, Bedrock, and 15+ other providers. v1.15.2 (May 10, 2026) adds sensitive log redaction.