Youdao QAnything vs MaxKB vs Dify vs ChatDOC
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
Youdao QAnything
Open-source RAG engine for document Q&A, with private deployment
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MaxKB
Open-source RAG and workflow platform for building enterprise agents
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Dify
Open-source LLM app builder: workflows, agents, RAG, one canvas
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ChatDOC
Chat with any file and trace every answer to the page
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| RECATOOLS Score | 7.3 / 10 | 7.2 / 10 | 8.2 / 10 | 7.1 / 10 |
| Capability | ||||
| Value for money | ||||
| Ease of use | ||||
| ASEAN readiness | ||||
| API quality | ||||
| Pricing | Freemium | Open Source | Open Source | Freemium |
| Free tier | — | — | Sandbox plan: 200 message credits total (one-time trial, not monthly), 5 apps, 50 knowledge documents, 50 MB storage, 1 workspace member — free on Dify Cloud | — |
| Paid from | — | — | $59/month (Professional plan, billed monthly; annual billing saves $118/year) | — |
| Has API | ✓ | ✓ | ✓ | ✗ |
| Open source | ✓ | ✓ | ✓ | ✗ |
| Free to use | ✓ | ✓ | ✓ | ✗ |
| Users | — | — | Over 1.4 million machines (self-hosted), 180,000+ developers | — |
| Founded | — | — | 2023 | — |
| Maker | — | — | — | — |
| Verdict | QAnything's real selling point is the deployment story: it's genuinely open-source under AGPL-3.0, runs self-hosted via Docker Compose on Linux, Mac or Windows, and can go fully offline with a local LLM like Ollama -- wh... |
MaxKB is one of the more credible self-hosted RAG platforms to come out of China's open-source scene — 21,000+ GitHub stars, active releases, and a straightforward path from PDF upload to a working chatbot with citations... |
Dify's pitch has held up: a visual canvas for workflows, agents and RAG, backed by a fully open codebase you can self-host, with LangGenius's own $30M Series Pre-A in March 2026 proof the model works commercially too. Th... |
ChatDOC is one of the more capable entries in the chat-with-your-documents pile. It reads PDFs, Word, ePub, TXT, scanned files, and URLs, and every answer carries on-page footnotes so you can jump to the exact passage it... |
| Full review → | Full review → | Full review → | Full review → |
Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.