HKUDS/RAG-Anything

🎉 News

🌟 System Overview

Modern documents increasingly contain diverse multimodal content—text, images, tables, equations, charts, and multimedia—that traditional text-focused RAG systems cannot effectively process. RAG-Anything addresses this challenge as a comprehensive All-in-One Multimodal Document Processing RAG system built on LightRAG.

As a unified solution, RAG-Anything eliminates the need for multiple specialized tools. It provides seamless processing and querying across all content modalities within a single integrated framework. Unlike conventional RAG approaches that struggle with non-textual elements, our all-in-one system delivers comprehensive multimodal retrieval capabilities.

Users can query documents containing interleaved text, visual diagrams, structured tables, and mathematical formulations through one cohesive interface. This consolidated approach makes RAG-Anything particularly valuable for academic research, technical documentation, financial reports, and enterprise knowledge management where rich, mixed-content documents demand a unified processing framework.

🎯 Key Features

• 🔄 End-to-End Multimodal Pipeline - Complete workflow from document ingestion and parsing to intelligent multimodal query answering
• 📄 Universal Document Support - Seamless processing of PDFs, Office documents, images, and diverse file formats
• 🧠 Specialized Content Analysis - Dedicated processors for images, tables, mathematical equations, and heterogeneous content types
• 🔗 Multimodal Knowledge Graph - Automatic entity extraction and cross-modal relationship discovery for enhanced understanding
• ⚡ Adaptive Processing Modes - Flexible MinerU-based parsing or direct multimodal content injection workflows
• 📋 Direct Content List Insertion - Bypass document parsing by directly inserting pre-parsed content lists from external sources
• 🎯 Hybrid Intelligent Retrieval - Advanced search capabilities spanning textual and multimodal content with contextual understanding

🏗️ Algorithm & Architecture

RAG-Anything implements an effective multi-stage multimodal pipeline that fundamentally extends traditional RAG architectures to seamlessly handle diverse content modalities through intelligent orchestration and cross-modal understanding.

1. Document Parsing Stage

The system provides high-fidelity document extraction through adaptive content decomposition. It intelligently segments heterogeneous elements while preserving contextual relationships. Universal format compatibility is achieved via specialized optimized parsers.

Key Components:

• ⚙️ MinerU Integration: Leverages MinerU for high-fidelity document structure extraction and semantic preservation across complex layouts.

• 🧩 Adaptive Content Decomposition: Automatically segments documents into coherent text blocks, visual elements, structured tables, mathematical equations, and specialized content types while preserving contextual relationships.

• 📁 Universal Format Support: Provides comprehensive handling of PDFs, Office documents (DOC/DOCX/PPT/PPTX/XLS/XLSX), images, and emerging formats through specialized parsers with format-specific optimization.

2. Multi-Modal Content Understanding & Processing

The system automatically categorizes and routes content through optimized channels. It uses concurrent pipelines for parallel text and multimodal processing. Document hierarchy and relationships are preserved during transformation.

Key Components:

• 🎯 Autonomous Content Categorization and Routing: Automatically identify, categorize, and route different content types through optimized execution channels.

• ⚡ Concurrent Multi-Pipeline Architecture: Implements concurrent execution of textual and multimodal content through dedicated processing pipelines. This approach maximizes throughput efficiency while preserving content integrity.

• 🏗️ Document Hierarchy Extraction: Extracts and preserves original document hierarchy and inter-element relationships during content transformation.

3. Multimodal Analysis Engine

The system deploys modality-aware processing units for heterogeneous data modalities:

Specialized Analyzers:

• 🔍 Visual Content Analyzer:

  • Integrate vision model for image analysis.
  • Generates context-aware descriptive captions based on visual semantics.
  • Extracts spatial relationships and hierarchical structures between visual elements.

• 📊 Structured Data Interpreter:

  • Performs systematic interpretation of tabular and structured data formats.
  • Implements statistical pattern recognition algorithms for data trend analysis.
  • Identifies semantic relationships and dependencies across multiple tabular datasets.

• 📐 Mathematical Expression Parser:

  • Parses complex mathematical expressions and formulas with high accuracy.
  • Provides native LaTeX format support for seamless integration with academic workflows.
  • Establishes conceptual mappings between mathematical equations and domain-specific knowledge bases.

• 🔧 Extensible Modality Handler:

  • Provides configurable processing framework for custom and emerging content types.
  • Enables dynamic integration of new modality processors through plugin architecture.
  • Supports runtime configuration of processing pipelines for specialized use cases.

4. Multimodal Knowledge Graph Index

The multi-modal knowledge graph construction module transforms document content into structured semantic representations. It extracts multimodal entities, establishes cross-modal relationships, and preserves hierarchical organization. The system applies weighted relevance scoring for optimized knowledge retrieval.

Core Functions:

• 🔍 Multi-Modal Entity Extraction: Transforms significant multimodal elements into structured knowledge graph entities. The process includes semantic annotations and metadata preservation.

• 🔗 Cross-Modal Relationship Mapping: Establishes semantic connections and dependencies between textual entities and multimodal components. This is achieved through automated relationship inference algorithms.

• 🏗️ Hierarchical Structure Preservation: Maintains original document organization through "belongs_to" relationship chains. These chains preserve logical content hierarchy and sectional dependencies.

• ⚖️ Weighted Relationship Scoring: Assigns quantitative relevance scores to relationship types. Scoring is based on semantic proximity and contextual significance within the document structure.

5. Modality-Aware Retrieval

The hybrid retrieval system combines vector similarity search with graph traversal algorithms for comprehensive content retrieval. It implements modality-aware ranking mechanisms and maintains relational coherence between retrieved elements to ensure contextually integrated information delivery.

Retrieval Mechanisms:

• 🔀 Vector-Graph Fusion: Integrates vector similarity search with graph traversal algorithms. This approach leverages both semantic embeddings and structural relationships for comprehensive content retrieval.

• 📊 Modality-Aware Ranking: Implements adaptive scoring mechanisms that weight retrieval results based on content type relevance. The system adjusts rankings according to query-specific modality preferences.

• 🔗 Relational Coherence Maintenance: Maintains semantic and structural relationships between retrieved elements. This ensures coherent information delivery and contextual integrity.

🚀 Quick Start

Installation

Option 1: Install from PyPI (Recommended)

# Basic installation
pip install raganything

# With optional dependencies for extended format support:
pip install 'raganything[all]'              # All optional features
pip install 'raganything[image]'            # Image format conversion (BMP, TIFF, GIF, WebP)
pip install 'raganything[text]'             # Text file processing (TXT, MD)
pip install 'raganything[image,text]'       # Multiple features

Option 2: Install from Source

# Install uv (if not already installed)
curl -LsSf https://astral.sh/uv/install.sh | sh

# Clone and setup the project with uv
git clone https://github.com/HKUDS/RAG-Anything.git
cd RAG-Anything

# Install the package and dependencies in a virtual environment
uv sync

# If you encounter network timeouts (especially for opencv packages):
# UV_HTTP_TIMEOUT=120 uv sync

# Run commands directly with uv (recommended approach)
uv run python examples/raganything_example.py --help

# Install with optional dependencies
uv sync --extra image --extra text  # Specific extras
uv sync --all-extras                 # All optional features

Optional Dependencies

# Verify installation
mineru --version

# Check if properly configured
python -c "from raganything import RAGAnything; rag = RAGAnything(); print('✅ MinerU installed properly' if rag.check_parser_installation() else '❌ MinerU installation issue')"

Usage Examples

1. End-to-End Document Processing

import asyncio
from functools import partial
from raganything import RAGAnything, RAGAnythingConfig
from lightrag.llm.openai import openai_complete_if_cache, openai_embed
from lightrag.utils import EmbeddingFunc

async def main():
    # Set up API configuration
    api_key = "your-api-key"
    base_url = "your-base-url"  # Optional

    # Create RAGAnything configuration
    config = RAGAnythingConfig(
        working_dir="./rag_storage",
        parser="mineru",  # Parser selection: mineru, docling, or paddleocr
        parse_method="auto",  # Parse method: auto, ocr, or txt
        enable_image_processing=True,
        enable_table_processing=True,
        enable_equation_processing=True,
    )

    # Define LLM model function
    def llm_model_func(prompt, system_prompt=None, history_messages=[], **kwargs):
        return openai_complete_if_cache(
            "gpt-4o-mini",
            prompt,
            system_prompt=system_prompt,
            history_messages=history_messages,
            api_key=api_key,
            base_url=base_url,
            **kwargs,
        )

    # Define vision model function for image processing
    def vision_model_func(
        prompt, system_prompt=None, history_messages=[], image_data=None, messages=None, **kwargs
    ):
        # If messages format is provided (for multimodal VLM enhanced query), use it directly
        if messages:
            return openai_complete_if_cache(
                "gpt-4o",
                "",
                system_prompt=None,
                history_messages=[],
                messages=messages,
                api_key=api_key,
                base_url=base_url,
                **kwargs,
            )
        # Traditional single image format
        elif image_data:
            return openai_complete_if_cache(
                "gpt-4o",
                "",
                system_prompt=None,
                history_messages=[],
                messages=[
                    {"role": "system", "content": system_prompt}
                    if system_prompt
                    else None,
                    {
                        "role": "user",
                        "content": [
                            {"type": "text", "text": prompt},
                            {
                                "type": "image_url",
                                "image_url": {
                                    "url": f"data:image/jpeg;base64,{image_data}"
                                },
                            },
                        ],
                    }
                    if image_data
                    else {"role": "user", "content": prompt},
                ],
                api_key=api_key,
                base_url=base_url,
                **kwargs,
            )
        # Pure text format
        else:
            return llm_model_func(prompt, system_prompt, history_messages, **kwargs)

    # Define embedding function
    embedding_func = EmbeddingFunc(
        embedding_dim=3072,
        max_token_size=8192,
        func=partial(
            openai_embed.func,
            model="text-embedding-3-large",
            api_key=api_key,
            base_url=base_url,
        ),
    )

    # Initialize RAGAnything
    rag = RAGAnything(
        config=config,
        llm_model_func=llm_model_func,
        vision_model_func=vision_model_func,
        embedding_func=embedding_func,
    )

    # Process a document
    await rag.process_document_complete(
        file_path="path/to/your/document.pdf",
        output_dir="./output",
        parse_method="auto"
    )

    # Query the processed content
    # Pure text query - for basic knowledge base search
    text_result = await rag.aquery(
        "What are the main findings shown in the figures and tables?",
        mode="hybrid"
    )
    print("Text query result:", text_result)

    # Multimodal query with specific multimodal content
    multimodal_result = await rag.aquery_with_multimodal(
    "Explain this formula and its relevance to the document content",
    multimodal_content=[{
        "type": "equation",
        "latex": "P(d|q) = \\frac{P(q|d) \\cdot P(d)}{P(q)}",
        "equation_caption": "Document relevance probability"
    }],
    mode="hybrid"
)
    print("Multimodal query result:", multimodal_result)

if __name__ == "__main__":
    asyncio.run(main())

2. Direct Multimodal Content Processing

import asyncio
from functools import partial
from lightrag import LightRAG
from lightrag.llm.openai import openai_complete_if_cache, openai_embed
from lightrag.utils import EmbeddingFunc
from raganything.modalprocessors import ImageModalProcessor, TableModalProcessor

async def process_multimodal_content():
    # Set up API configuration
    api_key = "your-api-key"
    base_url = "your-base-url"  # Optional

    # Initialize LightRAG
    rag = LightRAG(
        working_dir="./rag_storage",
        llm_model_func=lambda prompt, system_prompt=None, history_messages=[], **kwargs: openai_complete_if_cache(
            "gpt-4o-mini",
            prompt,
            system_prompt=system_prompt,
            history_messages=history_messages,
            api_key=api_key,
            base_url=base_url,
            **kwargs,
        ),
        embedding_func=EmbeddingFunc(
            embedding_dim=3072,
            max_token_size=8192,
            func=partial(
                openai_embed.func,
                model="text-embedding-3-large",
                api_key=api_key,
                base_url=base_url,
            ),
        )
    )
    await rag.initialize_storages()

    # Process an image
    image_processor = ImageModalProcessor(
        lightrag=rag,
        modal_caption_func=lambda prompt, system_prompt=None, history_messages=[], image_data=None, **kwargs: openai_complete_if_cache(
            "gpt-4o",
            "",
            system_prompt=None,
            history_messages=[],
            messages=[
                {"role": "system", "content": system_prompt} if system_prompt else None,
                {"role": "user", "content": [
                    {"type": "text", "text": prompt},
                    {"type": "image_url", "image_url": {"url": f"data:image/jpeg;base64,{image_data}"}}
                ]} if image_data else {"role": "user", "content": prompt}
            ],
            api_key=api_key,
            base_url=base_url,
            **kwargs,
        ) if image_data else openai_complete_if_cache(
            "gpt-4o-mini",
            prompt,
            system_prompt=system_prompt,
            history_messages=history_messages,
            api_key=api_key,
            base_url=base_url,
            **kwargs,
        )
    )

    image_content = {
        "img_path": "path/to/image.jpg",
        "image_caption": ["Figure 1: Experimental results"],
        "image_footnote": ["Data collected in 2024"]
    }

    description, entity_info, _ = await image_processor.process_multimodal_content(
        modal_content=image_content,
        content_type="image",
        file_path="research_paper.pdf",
        entity_name="Experimental Results Figure"
    )

    # Process a table
    table_processor = TableModalProcessor(
        lightrag=rag,
        modal_caption_func=lambda prompt, system_prompt=None, history_messages=[], **kwargs: openai_complete_if_cache(
            "gpt-4o-mini",
            prompt,
            system_prompt=system_prompt,
            history_messages=history_messages,
            api_key=api_key,
            base_url=base_url,
            **kwargs,
        )
    )

    table_content = {
        "table_body": """
        | Method | Accuracy | F1-Score |
        |--------|----------|----------|
        | RAGAnything | 95.2% | 0.94 |
        | Baseline | 87.3% | 0.85 |
        """,
        "table_caption": ["Performance Comparison"],
        "table_footnote": ["Results on test dataset"]
    }

    description, entity_info, _ = await table_processor.process_multimodal_content(
        modal_content=table_content,
        content_type="table",
        file_path="research_paper.pdf",
        entity_name="Performance Results Table"
    )

if __name__ == "__main__":
    asyncio.run(process_multimodal_content())

3. Batch Processing

# Process multiple documents
await rag.process_folder_complete(
    folder_path="./documents",
    output_dir="./output",
    file_extensions=[".pdf", ".docx", ".pptx"],
    recursive=True,
    max_workers=4
)

4. Custom Modal Processors

from raganything.modalprocessors import GenericModalProcessor

class CustomModalProcessor(GenericModalProcessor):
    async def process_multimodal_content(self, modal_content, content_type, file_path, entity_name):
        # Your custom processing logic
        enhanced_description = await self.analyze_custom_content(modal_content)
        entity_info = self.create_custom_entity(enhanced_description, entity_name)
        return await self._create_entity_and_chunk(enhanced_description, entity_info, file_path)

5. Query Options

# Different query modes for text queries
text_result_hybrid = await rag.aquery("Your question", mode="hybrid")
text_result_local = await rag.aquery("Your question", mode="local")
text_result_global = await rag.aquery("Your question", mode="global")
text_result_naive = await rag.aquery("Your question", mode="naive")

# Synchronous version
sync_text_result = rag.query("Your question", mode="hybrid")

# VLM enhanced query (automatically enabled when vision_model_func is provided)
vlm_result = await rag.aquery(
    "Analyze the charts and figures in the document",
    mode="hybrid"
    # vlm_enhanced=True is automatically set when vision_model_func is available
)

# Manually control VLM enhancement
vlm_enabled = await rag.aquery(
    "What do the images show in this document?",
    mode="hybrid",
    vlm_enhanced=True  # Force enable VLM enhancement
)

vlm_disabled = await rag.aquery(
    "What do the images show in this document?",
    mode="hybrid",
    vlm_enhanced=False  # Force disable VLM enhancement
)

# When documents contain images, VLM can see and analyze them directly
# The system will automatically:
# 1. Retrieve relevant context containing image paths
# 2. Load and encode images as base64
# 3. Send both text context and images to VLM for comprehensive analysis

# Query with table data
table_result = await rag.aquery_with_multimodal(
    "Compare these performance metrics with the document content",
    multimodal_content=[{
        "type": "table",
        "table_data": """Method,Accuracy,Speed
                        RAGAnything,95.2%,120ms
                        Traditional,87.3%,180ms""",
        "table_caption": "Performance comparison"
    }],
    mode="hybrid"
)

# Query with equation content
equation_result = await rag.aquery_with_multimodal(
    "Explain this formula and its relevance to the document content",
    multimodal_content=[{
        "type": "equation",
        "latex": "P(d|q) = \\frac{P(q|d) \\cdot P(d)}{P(q)}",
        "equation_caption": "Document relevance probability"
    }],
    mode="hybrid"
)

6. Loading Existing LightRAG Instance

import asyncio
from functools import partial
from raganything import RAGAnything, RAGAnythingConfig
from lightrag import LightRAG
from lightrag.llm.openai import openai_complete_if_cache, openai_embed
from lightrag.kg.shared_storage import initialize_pipeline_status
from lightrag.utils import EmbeddingFunc
import os

async def load_existing_lightrag():
    # Set up API configuration
    api_key = "your-api-key"
    base_url = "your-base-url"  # Optional

    # First, create or load existing LightRAG instance
    lightrag_working_dir = "./existing_lightrag_storage"

    # Check if previous LightRAG instance exists
    if os.path.exists(lightrag_working_dir) and os.listdir(lightrag_working_dir):
        print("✅ Found existing LightRAG instance, loading...")
    else:
        print("❌ No existing LightRAG instance found, will create new one")

    # Create/load LightRAG instance with your configuration
    lightrag_instance = LightRAG(
        working_dir=lightrag_working_dir,
        llm_model_func=lambda prompt, system_prompt=None, history_messages=[], **kwargs: openai_complete_if_cache(
            "gpt-4o-mini",
            prompt,
            system_prompt=system_prompt,
            history_messages=history_messages,
            api_key=api_key,
            base_url=base_url,
            **kwargs,
        ),
        embedding_func=EmbeddingFunc(
            embedding_dim=3072,
            max_token_size=8192,
            func=partial(
                openai_embed.func,
                model="text-embedding-3-large",
                api_key=api_key,
                base_url=base_url,
            ),
        )
    )

    # Initialize storage (this will load existing data if available)
    await lightrag_instance.initialize_storages()
    await initialize_pipeline_status()

    # Define vision model function for image processing
    def vision_model_func(
        prompt, system_prompt=None, history_messages=[], image_data=None, messages=None, **kwargs
    ):
        # If messages format is provided (for multimodal VLM enhanced query), use it directly
        if messages:
            return openai_complete_if_cache(
                "gpt-4o",
                "",
                system_prompt=None,
                history_messages=[],
                messages=messages,
                api_key=api_key,
                base_url=base_url,
                **kwargs,
            )
        # Traditional single image format
        elif image_data:
            return openai_complete_if_cache(
                "gpt-4o",
                "",
                system_prompt=None,
                history_messages=[],
                messages=[
                    {"role": "system", "content": system_prompt}
                    if system_prompt
                    else None,
                    {
                        "role": "user",
                        "content": [
                            {"type": "text", "text": prompt},
                            {
                                "type": "image_url",
                                "image_url": {
                                    "url": f"data:image/jpeg;base64,{image_data}"
                                },
                            },
                        ],
                    }
                    if image_data
                    else {"role": "user", "content": prompt},
                ],
                api_key=api_key,
                base_url=base_url,
                **kwargs,
            )
        # Pure text format
        else:
            return lightrag_instance.llm_model_func(prompt, system_prompt, history_messages, **kwargs)

    # Now use existing LightRAG instance to initialize RAGAnything
    rag = RAGAnything(
        lightrag=lightrag_instance,  # Pass existing LightRAG instance
        vision_model_func=vision_model_func,
        # Note: working_dir, llm_model_func, embedding_func, etc. are inherited from lightrag_instance
    )

    # Query existing knowledge base
    result = await rag.aquery(
        "What data has been processed in this LightRAG instance?",
        mode="hybrid"
    )
    print("Query result:", result)

    # Add new multimodal document to existing LightRAG instance
    await rag.process_document_complete(
        file_path="path/to/new/multimodal_document.pdf",
        output_dir="./output"
    )

if __name__ == "__main__":
    asyncio.run(load_existing_lightrag())

7. Direct Content List Insertion

import asyncio
from functools import partial
from raganything import RAGAnything, RAGAnythingConfig
from lightrag.llm.openai import openai_complete_if_cache, openai_embed
from lightrag.utils import EmbeddingFunc

async def insert_content_list_example():
    # Set up API configuration
    api_key = "your-api-key"
    base_url = "your-base-url"  # Optional

    # Create RAGAnything configuration
    config = RAGAnythingConfig(
        working_dir="./rag_storage",
        enable_image_processing=True,
        enable_table_processing=True,
        enable_equation_processing=True,
    )

    # Define model functions
    def llm_model_func(prompt, system_prompt=None, history_messages=[], **kwargs):
        return openai_complete_if_cache(
            "gpt-4o-mini",
            prompt,
            system_prompt=system_prompt,
            history_messages=history_messages,
            api_key=api_key,
            base_url=base_url,
            **kwargs,
        )

    def vision_model_func(prompt, system_prompt=None, history_messages=[], image_data=None, messages=None, **kwargs):
        # If messages format is provided (for multimodal VLM enhanced query), use it directly
        if messages:
            return openai_complete_if_cache(
                "gpt-4o",
                "",
                system_prompt=None,
                history_messages=[],
                messages=messages,
                api_key=api_key,
                base_url=base_url,
                **kwargs,
            )
        # Traditional single image format
        elif image_data:
            return openai_complete_if_cache(
                "gpt-4o",
                "",
                system_prompt=None,
                history_messages=[],
                messages=[
                    {"role": "system", "content": system_prompt} if system_prompt else None,
                    {
                        "role": "user",
                        "content": [
                            {"type": "text", "text": prompt},
                            {"type": "image_url", "image_url": {"url": f"data:image/jpeg;base64,{image_data}"}}
                        ],
                    } if image_data else {"role": "user", "content": prompt},
                ],
                api_key=api_key,
                base_url=base_url,
                **kwargs,
            )
        # Pure text format
        else:
            return llm_model_func(prompt, system_prompt, history_messages, **kwargs)

    embedding_func = EmbeddingFunc(
        embedding_dim=3072,
        max_token_size=8192,
        func=partial(
            openai_embed.func,
            model="text-embedding-3-large",
            api_key=api_key,
            base_url=base_url,
        ),
    )

    # Initialize RAGAnything
    rag = RAGAnything(
        config=config,
        llm_model_func=llm_model_func,
        vision_model_func=vision_model_func,
        embedding_func=embedding_func,
    )

    # Example: Pre-parsed content list from external source
    content_list = [
        {
            "type": "text",
            "text": "This is the introduction section of our research paper.",
            "page_idx": 0  # Page number where this content appears
        },
        {
            "type": "image",
            "img_path": "/absolute/path/to/figure1.jpg",  # IMPORTANT: Use absolute path
            "image_caption": ["Figure 1: System Architecture"],
            "image_footnote": ["Source: Authors' original design"],
            "page_idx": 1  # Page number where this image appears
        },
        {
            "type": "table",
            "table_body": "| Method | Accuracy | F1-Score |\n|--------|----------|----------|\n| Ours | 95.2% | 0.94 |\n| Baseline | 87.3% | 0.85 |",
            "table_caption": ["Table 1: Performance Comparison"],
            "table_footnote": ["Results on test dataset"],
            "page_idx": 2  # Page number where this table appears
        },
        {
            "type": "equation",
            "latex": "P(d|q) = \\frac{P(q|d) \\cdot P(d)}{P(q)}",
            "text": "Document relevance probability formula",
            "page_idx": 3  # Page number where this equation appears
        },
        {
            "type": "text",
            "text": "In conclusion, our method demonstrates superior performance across all metrics.",
            "page_idx": 4  # Page number where this content appears
        }
    ]

    # Insert the content list directly
    await rag.insert_content_list(
        content_list=content_list,
        file_path="research_paper.pdf",  # Reference file name for citation
        split_by_character=None,         # Optional text splitting
        split_by_character_only=False,   # Optional text splitting mode
        doc_id=None,                     # Optional custom document ID (will be auto-generated if not provided)
        display_stats=True               # Show content statistics
    )

    # Query the inserted content
    result = await rag.aquery(
        "What are the key findings and performance metrics mentioned in the research?",
        mode="hybrid"
    )
    print("Query result:", result)

    # You can also insert multiple content lists with different document IDs
    another_content_list = [
        {
            "type": "text",
            "text": "This is content from another document.",
            "page_idx": 0  # Page number where this content appears
        },
        {
            "type": "table",
            "table_body": "| Feature | Value |\n|---------|-------|\n| Speed | Fast |\n| Accuracy | High |",
            "table_caption": ["Feature Comparison"],
            "page_idx": 1  # Page number where this table appears
        }
    ]

    await rag.insert_content_list(
        content_list=another_content_list,
        file_path="another_document.pdf",
        doc_id="custom-doc-id-123"  # Custom document ID
    )

if __name__ == "__main__":
    asyncio.run(insert_content_list_example())

8. Re-processing Multimodal Content After a Storage Backend Change

# Re-run multimodal processing so the current storage backend has the
# image/table/equation entities and relations (default is False, i.e. no change
# to existing behavior for documents that have not switched backends)
await rag.process_document_complete(
    file_path="path/to/your/document.pdf",
    doc_id="doc-already-processed-id",
    force_multimodal_reprocess=True,
)

# Same flag is available for direct content list insertion
await rag.insert_content_list(
    content_list=content_list,
    doc_id="doc-already-processed-id",
    force_multimodal_reprocess=True,
)

🛠️ Examples

# End-to-end processing with parser selection
python examples/raganything_example.py path/to/document.pdf --api-key YOUR_API_KEY --parser mineru

# Direct modal processing
python examples/modalprocessors_example.py --api-key YOUR_API_KEY

# Office document parsing test (MinerU only)
python examples/office_document_test.py --file path/to/document.docx

# Image format parsing test (MinerU only)
python examples/image_format_test.py --file path/to/image.bmp

# Text format parsing test (MinerU only)
python examples/text_format_test.py --file path/to/document.md

# Check LibreOffice installation
python examples/office_document_test.py --check-libreoffice --file dummy

# Check PIL/Pillow installation
python examples/image_format_test.py --check-pillow --file dummy

# Check ReportLab installation
python examples/text_format_test.py --check-reportlab --file dummy

🔧 Configuration

Environment Variables

OPENAI_API_KEY=your_openai_api_key
OPENAI_BASE_URL=your_base_url  # Optional
OUTPUT_DIR=./output             # Default output directory for parsed documents
PARSER=mineru                   # Parser selection: mineru, docling, or paddleocr
PARSE_METHOD=auto              # Parse method: auto, ocr, or txt

Troubleshooting and multimodal checklist

Public media URLs (CDN / object storage)

# Base URL for assets (no trailing slash required)
RAGANYTHING_PUBLIC_ASSET_BASE_URL=https://my-bucket.s3.us-east-1.amazonaws.com/prefix
# Filesystem root that should be stripped from absolute paths under that tree
RAGANYTHING_PUBLIC_ASSET_STRIP_PREFIX=/var/rag/output

Parser Configuration

MinerU Parser

Docling Parser

PaddleOCR Parser

pip install -e ".[paddleocr]"
# or
uv sync --extra paddleocr

MinerU Configuration

# MinerU 2.0 uses command-line parameters instead of config files
# Check available options:
mineru --help

# Common configurations:
mineru -p input.pdf -o output_dir -m auto    # Automatic parsing mode
mineru -p input.pdf -o output_dir -m ocr     # OCR-focused parsing
mineru -p input.pdf -o output_dir -b pipeline --device cuda  # GPU acceleration

# Basic parsing configuration with parser selection
await rag.process_document_complete(
    file_path="document.pdf",
    output_dir="./output/",
    parse_method="auto",          # or "ocr", "txt"
    parser="mineru"               # Optional: "mineru", "docling", or "paddleocr"
)

# Advanced parsing configuration with special parameters
await rag.process_document_complete(
    file_path="document.pdf",
    output_dir="./output/",
    parse_method="auto",          # Parsing method: "auto", "ocr", "txt"
    parser="mineru",              # Parser selection: "mineru", "docling", or "paddleocr"

    # MinerU special parameters - all supported kwargs:
    lang="ch",                   # Document language for OCR optimization (e.g., "ch", "en", "ja")
    device="cuda:0",             # Inference device: "cpu", "cuda", "cuda:0", "npu", "mps"
    start_page=0,                # Starting page number (0-based, for PDF)
    end_page=10,                 # Ending page number (0-based, for PDF)
    formula=True,                # Enable formula parsing
    table=True,                  # Enable table parsing
    backend="pipeline",          # Parsing backend: pipeline|hybrid-auto-engine|hybrid-http-client|vlm-auto-engine|vlm-http-client.
    source="huggingface",        # Model source: "huggingface", "modelscope", "local"
    # vlm_url="http://127.0.0.1:3000" # Service address when using backend=vlm-http-client
    include_layout_blocks=False,  # Keep MinerU v2 headers, footers, and page numbers only when needed

    # Standard RAGAnything parameters
    display_stats=True,          # Display content statistics
    split_by_character=None,     # Optional character to split text by
    doc_id=None                  # Optional document ID
)

MinerU 3.x Content List v2

await rag.process_document_complete(
    file_path="document.pdf",
    parser="mineru",
    include_layout_blocks=True,
)

Processing Requirements

🧪 Supported Content Types

Document Formats

Multimodal Elements

📖 Citation

@misc{guo2025raganythingallinoneragframework,
      title={RAG-Anything: All-in-One RAG Framework},
      author={Zirui Guo and Xubin Ren and Lingrui Xu and Jiahao Zhang and Chao Huang},
      year={2025},
      eprint={2510.12323},
      archivePrefix={arXiv},
      primaryClass={cs.AI},
      url={https://arxiv.org/abs/2510.12323},
}

🔗 Related Projects

🤝 Contribution