---
title: "langchain4j vs open-webui"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/langchain4j-langchain4j-vs-open-webui-open-webui"
tools: ["langchain4j-langchain4j", "open-webui-open-webui"]
---

# langchain4j vs open-webui

Neutral, constraint-first comparison with live GitHub stats.

| | [langchain4j](/tools/langchain4j-langchain4j.md) | [open-webui](/tools/open-webui-open-webui.md) |
| --- | --- | --- |
| Tagline | LangChain4j: Java-friendly Library for LLM Integration | User-friendly AI Interface (Supports Ollama, OpenAI API, ...) |
| Stars | 12,543 | 144,582 |
| Forks | 2,358 | 20,901 |
| Open issues | 785 | 339 |
| Language | Java | Python |
| License | Apache-2.0 | Other |
| Categories | Data & Retrieval, LLM Frameworks, Developer Tools | Inference & Serving, LLM Frameworks |

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=langchain4j-langchain4j`](/api/graphcanon/graph?tool=langchain4j-langchain4j)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_