--- title: "langchain vs langgraph4j" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/langchain-ai-langchain-vs-langgraph4j-langgraph4j" tools: ["langchain-ai-langchain", "langgraph4j-langgraph4j"] --- # langchain vs langgraph4j *GraphCanon updated Jul 15, 2026* ## Verdict Pick langchain when langchain is primarily Python; langgraph4j is Java; pick langgraph4j when langgraph4j is primarily Java; langchain is Python. [langchain](https://docs.langchain.com/langchain/) reports 142k GitHub stars, 24k forks, and 419 open issues, last pushed Jul 14, 2026. [langgraph4j](https://langgraph4j.github.io/langgraph4j/) has 1.8k stars, 244 forks, and 22 open issues, last pushed Jul 14, 2026. Figures are from public GitHub metadata via [langchain's repository](https://github.com/langchain-ai/langchain) and [langgraph4j's repository](https://github.com/langgraph4j/langgraph4j). | | [langchain](/tools/langchain-ai-langchain.md) | [langgraph4j](/tools/langgraph4j-langgraph4j.md) | | --- | --- | --- | | Tagline | The agent engineering platform. | 🚀 LangGraph for Java. A library for develop AI Agentic Architectures in the Java ecosystem. Designed to work seamlessly with both Langchain4j and Spring AI. | | Stars | 141,713 | 1,816 | | Forks | 23,545 | 244 | | Open issues | 419 | 22 | | Language | Python | Java | | Adopt for | LangChain is an open-source platform designed specifically for building agents and applications that leverage large language models (LLMs). It provides a standard framework to develop interoperable components and connect | - | | Persona | - | - | | Runtime | - | - | | License | MIT License, allowing free use for both personal and commercial purposes under its stipulated terms. | MIT | | Categories | AI Agents, LLM Frameworks | AI Agents, LLM Frameworks | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [langchain](/tools/langchain-ai-langchain.md) | [langgraph4j](/tools/langgraph4j-langgraph4j.md) | | --- | --- | --- | | Open issues (now) | 419 | 22 | | Full report | [trust report](/tools/langchain-ai-langchain/trust.md) | [trust report](/tools/langgraph4j-langgraph4j/trust.md) | ## Decision facts: langchain - **Pricing:** freemium - LangChain itself is open-source and free to use. However, it might rely on paid services or premium models from external platforms like OpenAI. - **Adopt for:** LangChain is an open-source platform designed specifically for building agents and applications that leverage large language models (LLMs). It provides a standard framework to develop interoperable components and connect - **License detail:** MIT License, allowing free use for both personal and commercial purposes under its stipulated terms. ## Choose when ### Choose langchain if… - langchain is primarily Python; langgraph4j is Java. - Pricing: LangChain itself is open-source and free to use. However, it might rely on paid services or premium models from external platforms like OpenAI.. - Tags unique to langchain: ai-agents, anthropic, chatgpt, deepagents. - * When aiming to build complex AI-powered agents or applications requiring high-level capabilities like planning, subagent interaction, and file system operations. ### Choose langgraph4j if… - langgraph4j is primarily Java; langchain is Python. - Tags unique to langgraph4j: ai, java, langchain4j, langgraph. - More recently updated (last pushed Jul 14, 2026). ## When NOT to use langchain - * When working on smaller, less complex projects where full-scale integration with sophisticated components is not necessary as LangChain's extensive features might introduce unnecessary complexity. - * If you are primarily focused on JavaScript or TypeScript development as the primary focus of LangChain is Python. Although there is a JS/TS equivalent (LangChain.js), it may not offer the same depth - * For projects requiring heavy customization at lower levels, where a more granular control over individual components is required rather than working with an integrated framework. ## When NOT to use langgraph4j - AI Agents: Don't use an agent loop when a deterministic workflow would do; agents add latency, cost, and non-determinism. - LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. ## Common questions ### What is the difference between langchain and langgraph4j? langchain: The agent engineering platform.. langgraph4j: 🚀 LangGraph for Java. A library for develop AI Agentic Architectures in the Java ecosystem. Designed to work seamlessly with both Langchain4j and Spring AI.. See the comparison table for live GitHub stats and shared categories. ### When should I choose langchain over langgraph4j? Choose langchain over langgraph4j when langchain is primarily Python; langgraph4j is Java; Pricing: LangChain itself is open-source and free to use. However, it might rely on paid services or premium models from external platforms like OpenAI.; Tags unique to langchain: ai-agents, anthropic, chatgpt, deepagents; * When aiming to build complex AI-powered agents or applications requiring high-level capabilities like planning, subagent interaction, and file system operations. ### When should I choose langgraph4j over langchain? Choose langgraph4j over langchain when langgraph4j is primarily Java; langchain is Python; Tags unique to langgraph4j: ai, java, langchain4j, langgraph; More recently updated (last pushed Jul 14, 2026). ### When should I avoid langchain? * When working on smaller, less complex projects where full-scale integration with sophisticated components is not necessary as LangChain's extensive features might introduce unnecessary complexity. * If you are primarily focused on JavaScript or TypeScript development as the primary focus of LangChain is Python. Although there is a JS/TS equivalent (LangChain.js), it may not offer the same depth * For projects requiring heavy customization at lower levels, where a more granular control over individual components is required rather than working with an integrated framework. ### When should I avoid langgraph4j? AI Agents: Don't use an agent loop when a deterministic workflow would do; agents add latency, cost, and non-determinism. LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. ### Is langchain or langgraph4j more popular on GitHub? langchain has more GitHub stars (141,713 vs 1,816). Stars measure visibility, not whether either tool fits your constraints. ### Are langchain and langgraph4j open source? Yes - both are open-source projects on GitHub (langchain: MIT, langgraph4j: MIT). ### Where can I find alternatives to langchain or langgraph4j? GraphCanon lists graph-backed alternatives at [langchain alternatives](/tools/langchain-ai-langchain/alternatives) and [langgraph4j alternatives](/tools/langgraph4j-langgraph4j/alternatives) ([langchain markdown twin](/tools/langchain-ai-langchain/alternatives.md), [langgraph4j markdown twin](/tools/langgraph4j-langgraph4j/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/langchain-ai-langchain-vs-langgraph4j-langgraph4j.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, langchain or langgraph4j? langchain: Very active. langgraph4j: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for langchain and langgraph4j? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [langchain trust report](/tools/langchain-ai-langchain/trust); [langgraph4j trust report](/tools/langgraph4j-langgraph4j/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=langchain-ai-langchain`](/api/graphcanon/graph?tool=langchain-ai-langchain) - 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/_