Vanna AI vs Wren AI vs Chat2DB vs DataFocus
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
Vanna AI
RAG-powered text-to-SQL library now pivoting toward paid agents
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Wren AI
Open-source text-to-SQL agent that turns questions into dashboards
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| RECATOOLS Score | 7.3 / 10 | 7.4 / 10 | 7.8 / 10 | 6.7 / 10 |
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| Value for money | ||||
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| ASEAN readiness | ||||
| API quality | ||||
| Pricing | Open Source | Freemium | Freemium | Freemium |
| Free tier | — | — | Community edition — full SQL client, visual editor, 16 DB connections, no built-in AI | — |
| Paid from | — | — | Pro: $20/month (or $180/year); Enterprise: custom pricing | — |
| Has API | ✓ | ✓ | ✓ | ✓ |
| Open source | ✓ | ✓ | ✓ | ✗ |
| Free to use | ✓ | ✓ | ✓ | ✓ |
| Users | — | — | Over 1 million users (self-reported, as of 2025) | — |
| Founded | — | — | 2023 | — |
| Maker | — | — | CodePhiliaX (independent; originally incubated under Alibaba open-source) | — |
| Verdict | Vanna earned its following as a genuinely embeddable, no-lock-in text-to-SQL library — train it on your schema and example queries, point it at any LLM and any database, and it hands back working SQL rather than a hosted... |
Wren's angle on text-to-SQL is the "context layer" — rather than firing a raw question at an LLM and hoping the schema is self-explanatory, it grounds queries in defined business semantics, which matters once you're past... |
Chat2DB earns its GitHub crown through breadth: 30+ database engines, 10+ LLM backends including Qwen and DeepSeek, and a functional free Community edition under Apache 2.0. Pro runs $39.80/month ($19.80/month billed ann... |
One of the first Chinese vendors to build a genuinely search-driven BI product, DataFocus let users type a question and get a chart years before "ChatBI" became a marketing category. It bundles its own lakehouse and ELT... |
| 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.