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Tools
Text-to-SQL & natural-language querying
6 tools compared: how each is priced, where it runs, and what to consider instead.
| Tool | Pricing model | Free tier | Open source |
|---|---|---|---|
| AI2sql Query-limited SQL generator that turns plain-English descriptions into SQL, with error fixing and query optimization. | Subscription | No | No |
| BlazeSQL AI data analyst that connects to a database and answers questions in natural language by generating and running SQL. | Subscription | Yes | No |
| Outerbase Database client and dashboard builder with an AI natural-language query feature ('EZQL') layered on top of direct SQL editing. | Free tier + paid | Yes | No |
| Seek AI Enterprise natural-language querying platform that answers questions over structured data by generating and validating SQL. | Quote only | No | No |
| SQLAI.ai Query-metered SQL generator and explainer with a public API for embedding text-to-SQL into other products. | Subscription | Yes | No |
| Text2SQL.ai Web and desktop tool that converts plain-English descriptions into SQL queries for a connected or described database schema. | Free tier + paid | Yes | No |