nao vs TextQL
Explore nao, the first open source analytics agent, as an alternative to TextQL. Compare their context options, features, pricing, and more.


About TextQL
TextQL is an AI data analyst tool made for enterprises. It converts questions to SQL using its own data model, where you create the model, connect tables, and define rules.
Why choose nao over TextQL?
- Modern interactive charts — no matplotlib outputs
- Predictable open-source pricing with no usage-based surprises
- Built-in evaluation and monitoring framework
Our review of TextQL agent
TextQL is built around its own ontology system, which is powerful on paper but hard to understand in practice and creates strong vendor lock‑in. The documentation mentions dbt integration, but we could not find a clear way to set it up, and the UI feels like an afterthought with Python scripts streaming viridis matplotlib charts. Chat responses were slow, pricing is usage‑based and therefore unpredictable, and there is no obvious evaluation or monitoring tooling.
Feature comparison
| Feature | nao | TextQL |
|---|---|---|
| End user UX | Chat interface, transparent SQL, interactive charts | Chat + basic charts — stops at SQL, limited iteration |
| Data team UX | Synchronized context, built-in evaluation | Requires building a proprietary ontology first — long to set up |
| Reliability | Evaluation framework + context versioning | No evaluation framework — accuracy hard to measure at scale |
| Context flexibility | File system context | Proprietary ontology, rules, skills — no dbt integration found |
| Monitoring | Audit logs, usage tracking, feedback loop | No evaluation or monitoring |
| Cost | Open source / self-hosted | Usage-based — $0-$100/seat |
Context options
| Context source | nao | TextQL |
|---|---|---|
| Table sampling | ||
| dbt | via MCP | |
| Prompt | ||
| Rules | ||
| Skills | ||
| Any semantic layer | via MCP | |
| MCPs |
Why choose nao
- Modern interactive charts — no matplotlib outputs
- Predictable open-source pricing with no usage-based surprises
- Built-in evaluation and monitoring framework
Why choose TextQL
- Ontology-first approach for teams with strict enterprise data governance requirements
- Enterprise-grade text-to-SQL if you are willing to invest in the ontology setup
- Designed for data mesh architectures














