Side by side
Chion vs Vanna AI
Both stand on ai sql generators. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free trial Web
Choose Chion if you want a direct PostgreSQL question-to-SQL workflow with interactive charts and read-only query validation. Look elsewhere if you need HIPAA-covered workloads or SOC 2 certification, or if its per-seat monthly plans do not fit.
Visit Chion
Free plan APISelf-hostedWeb
Vanna provides a database-agent framework with configurable model, database, memory, and server options. The stated premium-backend security limitations are important to assess before deployment.
Visit Vanna AIThe facts
| Chion | Vanna AI | |
|---|---|---|
| Free plan | A free trial | Yes |
| Open source | Not published | Not published |
| Runs on | Web | API, Self-hosted, Web |
| Lowest paid plan | Starter: $29 per seat a month | Explorer: $50 a month |
| Plans published | 4 | 3 |
| Maker | Not published | Not published |
| Website | chion.ai | vanna.ai |
| On ai sql generators | #13 of 19 | #9 of 19 |
Chion: what it does well
- Connects directly to PostgreSQL without ETL or a warehouse copy.
- Supports six listed PostgreSQL connection options.
- Validates that database queries are read-only SELECT statements.
- Shows SQL beneath charts and provides query explanations.
- Offers eight pre-built D3 chart types.
What to know first
- Results are capped at 1,000 rows or 12,000 cells.
- Starter allows three queries per hour; Pro allows ten.
- Chion is not SOC 2 certified and does not support HIPAA workloads.
- No free plan; paid plans start at $29/seat/mo.
Vanna AI: what it does well
- Connects language models to multiple listed databases.
- Agents can run SQL and generate charts.
- Offers self-hosting or Vanna Cloud.
- Documentation describes user-specific access controls.
What to know first
- Explorer costs $50 a month.
- Team costs $500 a month.
- Premium backend limitations include no encryption at rest.
- Enterprise pricing is custom.
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