Dolphin vs MinerU
Side-by-side comparison of two AI agent tools
Dolphinfree
The official repo for “Dolphin: Document Image Parsing via Heterogeneous Anchor Prompting”, ACL, 2025.
MinerUfree
Transforms complex documents like PDFs into LLM-ready markdown/JSON for your Agentic workflows.
Metrics
| Dolphin | MinerU | |
|---|---|---|
| Stars | 9.1k | 80.9k |
| Star velocity /mo | 28.71657754010695 | 3.8k |
| Commits (90d) | 0 | 925 |
| Releases (6m) | 0 | 10 |
| Overall score | 0.31913455879016117 | 0.9336857634163542 |
Pros
- +Universal document parsing capability that handles both digital and photographed documents seamlessly
- +Advanced two-stage architecture with document-type-aware parsing strategies optimized for different document formats
- +Comprehensive 21-element detection including complex elements like formulas, code blocks, and tables with attribute field extraction
- +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
- -Research-focused tool that may require significant technical expertise to implement and integrate
- -Relatively new release with limited production use cases and community feedback
- -Large model size (3B parameters) may require substantial computational resources for deployment
- -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
- •Academic research document digitization and content extraction from PDFs and scanned papers
- •Enterprise document processing for complex reports, invoices, and forms with mixed content types
- •Automated parsing of technical documentation containing code snippets, mathematical formulas, and diagrams
- •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