AI Tool Comparison
A side-by-side breakdown to help you pick the right tool for your workflow.
Review Score assesses product quality; Fit Score is specific to a use case. Limited reviews do not establish overall product quality. How reviews work.
Build and orchestrate LLM applications and agentic workflows with visual workflow design, RAG, and knowledge-base management, source-available under a modified Apache 2.0 license with 139,000+ GitHub stars.
Convert PDFs, DOCX, and HTML into a unified structure ready for generative AI pipelines with IBM Research's document conversion library, now governed under the LF AI & Data Foundation.
Catalog updated: August 2026
Dify and Docling both sit in Developer Tools, but they're built around different use cases within it. Dify runs on a freemium model while Docling runs on a fully free plan, which alone may settle it if budget or a free tier is a hard requirement.
Choose Dify if…
Best for teams building production chatbots or agent pipelines who want a visual editor instead of raw LangChain code, and its edge is a visual canvas with built-in RAG tooling and observability, reducing development time versus building from primitives. Dramatically faster to build with than coding from scratch, complex workflows can still get hard to debug once wired up. Lean toward Docling instead if excellent table handling that preserves the layout structure raw PDF text extraction typically destroys matters more for your use case.
Choose Docling if…
Best for developers who need PDFs and Office documents converted to structured, LLM-ready formats, and its edge is excellent table handling that preserves the layout structure raw PDF text extraction typically destroys. A strong free choice for document ingestion pipelines, it's a library to integrate, not a ready-made UI. Lean toward Dify instead if a visual canvas with built-in RAG tooling and observability, reducing development time versus building from primitives matters more for your use case.
| Attribute | Dify | Docling |
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Pricing | freemium | free |
| Pricing Detail | Free Sandbox / $59/mo Professional / $159/mo Team | Free and open source (MIT license) |
| TWF Review Score | Not yet reviewed | Not yet reviewed |