LangChain4j

github.comRelease 1.22.0 and 1.22.0-beta32 · langchain4j/langchain4jNotable Changes Decision Models: Add OpenAI Decisions API support: OpenAiDecisionModel and OpenAiOfficialDecisionModel by @dliubarskyi in #6611 Decision Services: images as parameters, and @desc...

#LangChain4j 1.22.0 is out! Highlights: - OpenAI Decisions API support - AWS Bedrock batch inference - Automatic prompt caching for Anthropic Thanks to all contributors! github.com/langchain4j/...

LangChain4j reposted

Loïc Magnette

@lomagnette.bsky.social

Day one of @devoxx.com done, and my first deep dive on @langchain4j.dev and agentic patterns is in the books. Building agents in #Java, with real code, is pure developer bliss. Now time to enjoy the day. Tonight: our @bejug.bsky.social BOF. Java friends, come say hi! m.devoxx.com/events/dvbe2...

m.devoxx.comHi, Belgian Java Community, we want to meet you! - Devoxx Belgium 2026By Frank Delporte, Tom Cools. An informal, interactive session introducing BeJUG, Belgium’s Java User Group. Learn how it connects Java enthusiasts, what events it runs, and how to get involved as att...

github.comRelease 1.21.0 and 1.21.0-beta31 · langchain4j/langchain4jDecision Models (experimental) This release introduces decision models: a new model type that answers questions about an input with typed answers and probabilities instead of generated text. They a...

#LangChain4j 1.21.0 is out! 🚀 Meet Decision Models: instant yes/no, choice and scale answers with probabilities. Decision Services turn any Java interface into a classifier. Plus model routing, re-ranking, tool selection, guardrails and agentic routing! github.com/langchain4j/...

github.comRelease 1.20.0 and 1.20.0-beta30 · langchain4j/langchain4jNotable Changes Non-blocking / reactive support by @dliubarskyi in #5527 An AI Service method used to hold its thread for the whole interaction - the model call, tool execution, memory I/O and guar...

4 Sept

#LangChain4j 1.20.0 is out! Headline features: async/reactive AI Services, and opt-in Jackson 3. github.com/langchain4j/...

LangChain4j reposted

Johannes Rabauer

@rabauer.dev

27 Aug

Java plus a real AI model, built with @langchain4j.dev, plus deploying to @azure.microsoft.com. Sounds like a whole day gone before lunch. Today @bbenz.bsky.social and I find out live, no prep hidden off-screen. youtube.com/live/TI7_Wz5... #Java #AI #AzureAIFoundry

youtube.comWhy Deploying Java AI Apps to the cloud is Easier Than You ThinkJava app. Real AI model. Deployed to Azure. Everyone assumes that's a whole day gone before lunch, maybe two. Is it?What actually eats the time on a build li...

github.comRelease 1.19.0 and 1.19.0-beta29 · langchain4j/langchain4jNotable Changes MCP client according to 2026-07-28 by @jmartisk in #5881 Update milvus to V2 service & support hybrid search by @yangzho12138 in #3311 Add tool actions compensation at agentic syst...

14 Aug

#LangChain4j 1.19.0 is out! github.com/langchain4j/...

github.comRelease 1.18.0 and 1.18.0-beta28 · langchain4j/langchain4jNotable Changes Introduce Belief-Desire-Intention (BDI) agentic pattern by @mariofusco in #5730 Add crash-resilient Human-in-the-Loop suspension and resume for agentic systems by @mariofusco in #5...

17 July

#LangChain4j 1.18.0 is out! github.com/langchain4j/...

github.comRelease 1.17.0 and 1.17.0-beta27 · langchain4j/langchain4jNotable Changes Introduce new Debate agentic pattern by @mariofusco in #5382 Allow a tool to declare its compensating action and invoke it when it fails by @mariofusco in #5171 Add Oracle Database...

26 June

#LangChain4j 1.17.0 is out! 🎉 github.com/langchain4j/...

github.comRelease 1.16.0 and 1.16.0-beta26 · langchain4j/langchain4jNotable Changes Allow @tool methods to also be inherited from superclasses and interfaces by @mariofusco in #5328 Introduce Blackboard agentic pattern by @mariofusco in #5243 Unify Batch API Respo...

5 June

#LangChain4j 1.16.0 is out! github.com/langchain4j/...

github.comRelease 1.15.0 and 1.15.0-beta25 · langchain4j/langchain4jHighlights Add Docling Document Parser Integration by @lfelner22 in #4933 Support setting default values for @Tool parameters by @dliubarskyi in #5146 Allow an agent to select among different Chat...

15 May

#LangChain4j 1.15.0 is out! github.com/langchain4j/...

LangChain4j reposted

philippart-s.github.iophilippart-s.github.io

7 May

Replying to @wilda.bsky.social

🤖 New blog post: ADK Java and OVHcloud AI Endpoints ☕️ 🦜 Powered by @langchain4j.dev 🔁 A ReAct LoopAgent that generates an SDXL image, has a VLM critique it, and loops 🎨 🧑‍💻 All in @jbang.dev 👉 philippart-s.github.io/blog/2026-05... Thanks to @glaforge.dev for the help 🤗.

github.comRelease 1.14.0 and 1.14.0-beta24 · langchain4j/langchain4jNotable Changes AI Services: Support polymorphic return types and tool parameters by @dliubarskyi in #5060 Add ReturnBehavior.IMMEDIATE_IF_LAST by @dliubarskyi in #4998 OpenAI Responses API: R...

30 Apr

#LangChain4j 1.14.0 is out! 🎉 github.com/langchain4j/...

LangChain4j reposted

Thanos Stratikopoulos

@stratika.bsky.social

24 Apr

Ready for the @quarkus @langchain4j.dev workshop at @devoxxgreece.bsky.social! #Java #AI #LLM

LangChain4j reposted

speakerdeck.comStandards et agents IA : un tour d’horizon de MCP, A2A, ADK et plus encoreLes fondations des agents IA reposent sur une poignée de protocoles communs que vous devez maîtriser pour tirer le meilleur parti de votre LLM et de vot…

23 Apr

Merci à tous ceux qui sont venus à @devoxx.fr nous voir @emmanuelbernard.com et moi pour parler des protocoles pour les agents IA, avec le focus sur #MCP et #A2A, et implémentations en #ADK et @langchain4j.dev Comme promis, les slides de notre présentation : speakerdeck.com/glaforge/sta...

LangChain4j reposted

17 Apr

@mixitconf.org jour 2 🤩. On se retrouve à 14h40 en salle Turing pour mon workshop @langchain4j.dev afin de découvrir comment ajouter de l'IA (merci AI Endpoints d' #OVHcloud 🥰).

LangChain4j reposted

13 Apr

Replying to @promptslinger.bsky.social

Have a look at @langchain4j.dev's agentic module. There are different but interesting strategies for multi-agent collaboration, like their peer-to-peer mode, the goal oriented action planning mode, etc. I haven't tried them yet on my experiment though, but I think they could do wonders too.

LangChain4j reposted

11 Apr

📢 Finalement je serai speaker lors du prochain @mixitconf.org les 16 & 17 avril prochains 🥳. Ce sera un workshop pour découvrir comment ajouter de l'IA dans vos devs #Java avec @langchain4j.dev et AI Endpoints by #OVHcloud 🤩. 🗓️14h40 en salle Turing ! 🗓️ mixitconf.org/2026/develop...

LangChain4j reposted

glaforge.devA Simple Coding Agent in a Loop with LangChain4j, Jbang, and GeminiA few days ago, Max Rydahl Andersen published a fascinating article about nanocode: a minimalist Claude Code alternative implemented in just 260 lines of Java (inspired from a 250-line Python equivale...

12 Apr

💭 Inspired by @maxandersen.xam.dk I forked my own little 🤖𝗻𝗮𝗻𝗼𝗰𝗼𝗱𝗲 𝗰𝗼𝗱𝗶𝗻𝗴 𝗮𝗴𝗲𝗻𝘁 but using @langchain4j.dev ➕ #gemini 2 approaches: 1⃣ single AI service w/ all tools 2⃣ multi-agent w/ specialized tools Bonus: Web search & Markdown rendering glaforge.dev/posts/2026/0...

youtu.beTornadoVM: Supercharge your Java with GPU acceleration - Christos Kotselidis, Mary XekalakiYouTube video by Devoxx

9 Apr

#LangChain4j 1.13.0 is out! 🎉 github.com/langchain4j/...

LangChain4j reposted

Our @cern.voxxeddays.ch 2026 talk is now live! We introduce TornadoVM, and show how it’s already used in the ESA #GAIA mission. Highlight: #GPULlama3, a #GPU accelerated #LLM inference in #Java, integrated with @langchain4j.dev + #Quarkus 👉 www.tornadovm.org/gpullama3 📽️ youtu.be/oRVtTEbtt_Y?...

LangChain4j reposted

glaforge.devAn ADK Java agent powered by Gemma 4Today, DeepMind announced the release of Gemma 4, a very impressive and powerful new version of the Gemma family of models. As I’ve been contributing to ADK Java a fair bit recently, I was curious to ...

2 Apr

💎💎💎💎 Here's how to use the new #gemma 4 model in your #ADK #Java #AI agents, thanks to the @langchain4j.dev bridge glaforge.dev/posts/2026/0...

LangChain4j reposted

glaforge.devCreating a Wikipedia MCP Server in Java in a Few Prompts with SkillsSince I started using Model Context Protocol (MCP) to equip my AI agents with useful tools, I’ve been looking for ways to quickly build and iterate on local servers. A few weeks ago, I shared how to e...

2 Apr

It still amazes me how easy & fast it is to create #MCP servers in #Java with @jbang.dev, @langchain4j.dev and a custom skill inside #GeminiCLI A handful of prompts, and less than 5 minutes later, I had created a working #Wikipedia MCP server! glaforge.dev/posts/2026/0...

LangChain4j reposted

David Pilato 🇪🇺🇫🇷

@pilato.fr

12 Mar

Are you a #Java developer? ☕️ @ltrotta.bsky.social shares how to master hybrid search using @langchain4j.dev and @elastic.co. Highly relevant search in just a few lines of code! Read more: www.elastic.co/search-labs/...

LangChain4j reposted

Christos Kotselidis

@kotselidis.net

6 Mar

The latest version of #LangChain4J supports our latest #GPULlama3 version 0.4.0 for native GPU acceleration of #Java 25 AI Inference!

LangChain4j@langchain4j.dev

#LangChain4j 1.12.1 is out! 🎉 github.com/langchain4j/...

github.comRelease 1.12.1 and 1.12.1-beta21 · langchain4j/langchain4jNotable Changes Agentic: generate a HTML report of an agentic system topology and execution by @mariofusco in #4600 Agentic: allow to integrate an MCP tool as a non-AI agent by @mariofusco in #463...

medium.comBuilding an AI Travel Assistant with GraalVM, Micronaut, and LangChain4jIn this post, we'll build a Swiss travel assistant, that understands natural language queries, complete with recommendations are wishlist.

5 Mar

#LangChain4j 1.12.1 is out! 🎉 github.com/langchain4j/...

LangChain4j reposted

GraalVM

@graalvm.org

19 Feb

Building an AI Travel Assistant with GraalVM, @micronautfw.bsky.social, and @langchain4j.dev: medium.com/graalvm/buil... by @alina-yurenko.bsky.social

LangChain4j reposted

philippart-s.github.io🛡️ Des garde-fous pour tes LLM avec LangChain4J 🛡️I'm sorry, Dave. I'm afraid I can't do that. © HAL 9000

11 Feb

Si vous vous demandez comment ajouter un peu de sécurité dans vos chatbots, je vous propose de découvrir les guardrails grâce à @langchain4j.dev et AI Endpoints d'OVHcloud : - 🇫🇷 philippart-s.github.io/blog/2026-02... - 🏴󠁧󠁢󠁥󠁮󠁧󠁿 philippart-s.github.io/blog/2026-02...

LangChain4j reposted

11 Feb

💪 Zero Boilerplate #Java STDIO #MCP Servers with @langchain4j.dev and @jbang.dev You just need one #Java file. JBang installed. No build! Then configure your custom MCP server to use with your favorite #AI #Agent harness, like #geminicli and friends!

LangChain4j reposted

glaforge.devLatest Gemini and Nano Banana Enhancements in LangChain4jA few days ago, LangChain4j 1.11.0 was released, and with this version, a few notable enhancements to the support of the Gemini model family have landed. Let’s dive in! New Image Generation Models (Ge...

6 Feb

In @langchain4j.dev 1.11.0, plenty of cool #Gemini enhancements! 🚀 Discover new #NanoBanana image generation (up to 4K) Google Maps & Search grounding for #Gemini. And no need to scrape, with the URL context tool! Learn more: glaforge.dev/posts/2026/0...

github.comRelease 1.11.0 and 1.11.0-beta19 · langchain4j/langchain4jNotable Changes Agentic: support streaming by @mariofusco in #4350 Agentic: support multimodality by @mariofusco in #4436 Bedrock: support Guardrails by @jonathannaguin in #3988 Elasticsearch: hyb...

4 Feb

#LangChain4j 1.11.0 is out! 🎉 github.com/langchain4j/...

LangChain4j reposted

22 Jan

La "nouvelle" trend en IA ce sont les agents 🤖. En dehors de les déclarer dans vos outils préférés, vous voulez peut-être comprendre comment ça fonctionne et comment les développer. Je vous propose de voir ça en @Java avec LangChain4j et Quarkus 🤩 ! 📜

LangChain4j reposted

Cedric Clyburn

@cedricclyburn.com

2 Feb

Today kicks off @jfokus.se in Stockholm 🇸🇪 and we just delivered our workshop on building with open source AI models using: ⚡️ #vLLM serve local LLM’s as a local API endpoint 🦜 @langchain4j.dev for adding LLM capabilities in our Java application Was a huge hit! Slides ⬇️

LangChain4j reposted

meetup.comPicocli / WIP (Work In Progress) & VSM (Value Stream Mapping), Wed, Jan 21, 2026, 7:00 PM | Meetup**Picocli, mets du Java dans ton terminal ! ([Stéphane Philippart](https://in.linkedin.com/in/philippartstephane))** Les CLI (Command Line Interface), tout le monde les ut

20 Jan

Demain, je serai au Mars JUG pour vous parler de @picocli.bsky.social et comment créer une CLI boostée à l'IA grâce à @langchain4j.dev et @quarkus.io 🤖. Bien entendu, en utilisant tous nos modèles proposés par AI Endpoints d'#OVHcloud. 🎟️ Inscription : www.meetup.com/marseille-ja...

LangChain4j reposted

Cedric Clyburn

@cedricclyburn.com

12 Jan

@jfokus.se is BACK for its 20th year and I’m so happy to be hosting a workshop on open source models & how to scale them up on #Kubernetes! We’ll feature projects including #vLLM + @langchain4j.dev + @promptfoo.bsky.social and more for enterprise AI deployment, app dev, and testing 🔥

github.comRelease 1.10.0 and 1.10.0-beta18 · langchain4j/langchain4jNotable Changes Model Catalog support for Anthropic, Gemini, OpenAI and Mistral by @haumacher in #4240 Agentic: Add observability and monitoring by @mariofusco in #4181 Anthropic: support latest t...

24 Dec 2025

#LangChain4j 1.10.0 is out! 🎉 Thanks to everyone contributing and using the library! Wishing you happy holidays and a restful end of the year! 🌟 github.com/langchain4j/...