RAGFlow

At a glance

Input

PDF, Office files, text

Output

Answers and references

Provenance

Depends on the parser and retrieval setup

Scanned pages

Depends on the parsing backend

Deployment

Self-hosted

Availability

Open source

Costs to plan for

Compute or model API costs

Limitations to check

Evaluate retrieval coverage and citation accuracy separately. External model services add their own costs.

Build a meaningful sample

Include your hardest pages: low-quality scans, missing fields, dense tables, and evidence split across pages. Validate output correctness separately from citation accuracy.