ModelRefs / Output Parser — AI Glossary
Output Parser — AI Glossary
A component that extracts structured data from raw LLM text output — handling JSON, markdown, lists, or custom formats.
Overview
Output parsers are the last mile of many LLM pipelines: they validate format, retry on parse failure, and transform strings into typed objects. LangChain, Instructor, and Marvin all provide output parsers with retry logic.
Reference details
| Topic | agents |
|---|---|
| Last reviewed | 2026-06-24 |
Related terms
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Frequently asked questions
What is Output Parser?
A component that extracts structured data from raw LLM text output — handling JSON, markdown, lists, or custom formats.
What concepts are related to Output Parser?
Closely related concepts include json mode, function calling.