--- title: When Quarkus meets LangChain4j | daily.dev description: Large language models (LLMs) are reshaping the world of software, altering the way we interact with users and develop business logic. The Quarkus team, in... canonical: https://daily.dev/posts/when-quarkus-meets-langchain4j-gwqihq0rs twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: When Quarkus meets LangChain4j | daily.dev og:description: Large language models (LLMs) are reshaping the world of software, altering the way we interact with users and develop business logic. The Quarkus team, in... og:url: https://daily.dev/posts/when-quarkus-meets-langchain4j-gwqihq0rs og:image: https://api.daily.dev/og/posts/GWqIhQ0rs.png og:image:alt: When Quarkus meets LangChain4j og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # When Quarkus meets LangChain4j **[Quarkus](https://daily.dev/sources/quarkus)** · 2 min read · 3 upvotes · 0 comments ## Summary Large language models (LLMs) are reshaping the world of software, altering the way we interact with users and develop business logic. The Quarkus team, in collaboration with the LangChain4j team, has been working on an extension to integrate LLMs in Quarkus applications. This extension provides mechanisms to extend AI knowledge using tools and document stores. The integration is done using a declarative approach and offers advantages such as testability, observability, and resilience. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#java](https://daily.dev/tags/java), [#langchain4j](https://daily.dev/tags/langchain4j), [#llm](https://daily.dev/tags/llm), [#quarkus](https://daily.dev/tags/quarkus) [View this post on daily.dev](https://daily.dev/posts/when-quarkus-meets-langchain4j-gwqihq0rs) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"When Quarkus meets LangChain4j","url":"https://daily.dev/posts/when-quarkus-meets-langchain4j-gwqihq0rs","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/when-quarkus-meets-langchain4j-gwqihq0rs"},"datePublished":"2023-11-15T17:25:09.400Z","dateModified":"2026-07-09T02:16:19.183Z","description":"Large language models (LLMs) are reshaping the world of software, altering the way we interact with users and develop business logic. The Quarkus team, in...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/e7ab97eced21a845aaca4e155a5e5171?_a=AQAEufR","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/e7ab97eced21a845aaca4e155a5e5171?_a=AQAEufR","isAccessibleForFree":true,"articleSection":"Quarkus","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Quarkus","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/8adf82d719bb4a9492f44a28a27fd396","url":"https://daily.dev/sources/quarkus"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/when-quarkus-meets-langchain4j-gwqihq0rs","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":3},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"java,langchain4j,llm,quarkus","timeRequired":"PT2M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Quarkus","item":"https://daily.dev/sources/quarkus"},{"@type":"ListItem","position":3,"name":"When Quarkus meets LangChain4j"}]} ```