# Semantic search using OpenAI, pg\_embedding and Neon

DevFeed: [Semantic search using OpenAI, pg\_embedding and Neon](<https://devfeed.tech/articles/semantic-search-using-openai-pg-embedding-and-neon-5784.md>)

Original publisher: [Read original article](<https://neon.com/blog/semantic-search>)

Author: Mahmoud Abdelwahab

Published: 2023-08-25T14:54:35Z

Content type: tutorial

Language: en

Sources: [Blog -- Neon Docs](<https://devfeed.tech/sources/blog-neon-docs.md>)

Topics: [AI search](<https://devfeed.tech/topics/ai-search.md>), [Embeddings](<https://devfeed.tech/topics/embeddings.md>), [Artificial Intelligence](<https://devfeed.tech/topics/ai.md>), [OpenAI](<https://devfeed.tech/topics/openai.md>), [API](<https://devfeed.tech/topics/api.md>), [App](<https://devfeed.tech/topics/app.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [api](<https://devfeed.tech/tags/api.md>), [community](<https://devfeed.tech/tags/community.md>), [embedding](<https://devfeed.tech/tags/embedding.md>), [embeddings](<https://devfeed.tech/tags/embeddings.md>), [openai](<https://devfeed.tech/tags/openai.md>), [product](<https://devfeed.tech/tags/product.md>), [search](<https://devfeed.tech/tags/search.md>), [vector](<https://devfeed.tech/tags/vector.md>)

## AI overview

This tutorial explains how an AI-powered startup idea matcher uses OpenAI, Neon, and pg_embedding to perform semantic search. It describes vector embeddings, measuring similarity between embeddings, and using the OpenAI Embeddings API to find companies with related descriptions.

## Source excerpt

A few weeks back, we published an AI-powered app where you can submit an idea for a startup and get a list of similar companies YCombinator has invested in. The app got attention on HackerNews and Twitter, resulting in 5,000+ visitors and 2,500+ submissions. If you haven't had a...