Haystack vs MinerU

Side-by-side comparison of two AI agent tools

Short answer

  • MinerU is growing faster: +3,732 GitHub stars in the last 30 days vs +318 for Haystack.
  • Pick Haystack for: open-source AI orchestration framework for modular RAG pipelines and agent workflows. Pick MinerU for: transforms complex documents like PDFs into LLM-ready markdown/JSON for your Agentic workflows.

From GitHub data refreshed daily.

Haystackopen-source

Open-source AI orchestration framework for modular RAG pipelines and agent workflows

MinerUfree

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

Metrics

HaystackMinerU
Stars26.6k81.0k
Star velocity /mo317.84210526315793.7k
Commits (90d)768905
Releases (6m)1010
Downloads (30d, npm + PyPI)539.6K—
Overall score0.79018102781931880.8796799796634358

Pros

  • +Production-ready architecture with robust testing and type safety (Mypy, comprehensive test coverage)
  • +Modular pipeline design allows for flexible composition and customization of AI workflows
  • +Strong community adoption with 24,000+ GitHub stars and active development by deepset
  • +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

  • -Learning curve may be steep for developers new to AI orchestration frameworks
  • -Complexity might be overkill for simple LLM integration 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

  • •Building production RAG systems with sophisticated document retrieval and context management
  • •Creating AI agent workflows with explicit control over routing and decision-making processes
  • •Developing modular AI pipelines that require custom retrieval and context engineering components
  • •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
View Haystack DetailsView MinerU Details

FAQ

Which is more popular, Haystack or MinerU?
MinerU has more GitHub stars (81,025 vs 26,646).
Which is more actively developed, Haystack or MinerU?
MinerU had more commits in the last 90 days (905 vs 768).
Should I use Haystack or MinerU?
Compare their capabilities, limitations and "best for" notes above. Trying each on a small task is the fastest way to decide.