#151 · Primary category: Knowledge Base & RAG

semantic-search-nextjs-pinecone-langchain-chatgpt

langchain nextjs openai pinecone

Embeds text files into vectors, stores them on Pinecone, and enables semantic search using GPT3 and Langchain in a Next.js UI

Project last updated:02/26/26

GitHub Stars

763

Forks

109

Contributors

2

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Other

Why we included this project

Semantic search usually means wiring together several tools that are each well documented on their own but rarely shown working as one system. This starter does exactly that: it takes plain text or markdown files, embeds them into vectors, stores them in Pinecone, and lets you query them through a Next.js interface built on LangChain and GPT-3. The author wrote it because the glue between the pieces was the hard part, and the code walks the whole path from document ingestion to index creation to a searchable UI. Teams scoping out a knowledge-base or document Q&A prototype can clone it, drop in their own files, and watch the full flow work before committing to a bigger build. It is a starting point rather than a production service, but a clear and honest one.

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