langgraph vs MinerU

Side-by-side comparison of two AI agent tools

langgraphopen-source

Build resilient language agents as graphs.

MinerUfree

Transforms complex documents like PDFs into LLM-ready markdown/JSON for your Agentic workflows.

Metrics

langgraphMinerU
Stars27.8k57.5k
Star velocity /mo2.0k1.3k
Commits (90d)
Releases (6m)1010
Overall score0.80441024156169350.7985346321504037

Pros

  • +Durable execution ensures agents automatically resume from exactly where they left off after failures or interruptions
  • +Comprehensive memory system with both short-term working memory for ongoing reasoning and long-term persistent memory across sessions
  • +Seamless human-in-the-loop capabilities allow for inspection and modification of agent state at any point during execution
  • +专门针对 LLM 优化的输出格式,确保转换后的 Markdown/JSON 能够被 AI 模型高质量理解和处理
  • +支持复杂 PDF 文档的结构化解析,保持表格、图像和文本布局的完整性
  • +提供 Python SDK 和 Web 应用双重接口,既适合程序化集成也支持交互式使用

Cons

  • -Low-level framework requires more technical expertise and setup compared to high-level agent builders
  • -Graph-based agent design paradigm may have a steeper learning curve for developers new to agent orchestration
  • -Production deployment complexity may be overkill for simple chatbot or single-turn use cases
  • -主要专注于 PDF 处理,对其他文档格式的支持可能有限
  • -复杂文档的处理质量可能依赖于原始文档的质量和结构清晰度
  • -大规模批量处理时可能需要考虑计算资源和处理时间的平衡

Use Cases

  • Long-running autonomous agents that need to persist through system failures and operate over days or weeks
  • Complex multi-step workflows requiring human oversight, approval, or intervention at specific decision points
  • Stateful agents that must maintain context and memory across multiple sessions and interactions
  • 构建 RAG(检索增强生成)系统时,将企业内部 PDF 文档转换为向量数据库可索引的格式
  • 为 AI 代理开发智能文档分析功能,自动提取和结构化合同、报告中的关键信息
  • 建立知识管理系统,将历史文档资料转换为可搜索和可查询的结构化数据