Best AI SQL Generators in 2026
Updated
In short: NatureQuery is ranked #1 of 19 as of 4 October 2026, ahead of Outerbase AI and Wren AI. The best-ranked option with a free plan is Outerbase AI. The lowest first paid tier on this page is Queryra at $1/mo.
Turning a question into SQL is only useful if the generator fits your database and workflow. Compare database connections and SQL dialects first, then look at schema context, query explanations, and optimization to see what kind of assistance each entry offers. Deployment and free-plan or paid-from details can help frame how a tool fits your team’s setup. NatureQuery, Outerbase AI, and Vanna AI appear among the first entries, alongside Wren AI and Text2SQL.ai. Check the listed database and dialect support against your stack, and weigh the query features that matter for the work you need to do.
19 AI SQL generators ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
AI SQL Generators, one module each. A lit port is something its maker publishes; 9 of the 19 on this page have a public API.
- 01 NatureQuery API yesOSS not on recordFREE yesDOCS 7.3$20/mo
- 02 Outerbase AI API yesOSS not on recordFREE yesDOCS 7.3$9/mo
- 03 Wren AI API yesOSS not on recordFREE yesDOCS 7.3$179/mo
- 04 mnemiq API yesOSS not on recordFREE yesDOCS 7.2Free
- 05 Text2SQL.ai API yesOSS not on recordFREE not on recordDOCS 6.9
- 06 Vanna AI API yesOSS not on recordFREE not on recordDOCS 6.9$50/mo
- 07 Dataherald API yesOSS not on recordFREE not on recordDOCS 6.8
- 08 SQLAI.ai API yesOSS not on recordFREE not on recordDOCS 6.8$4/mo
- 09 Basedash API yesOSS not on recordFREE not on recordDOCS 6.7$1,000/mo
- 10 SQL Mocker API not on recordOSS not on recordFREE yesDOCS 6.0$10/mo
- 11 QueryPlane API not on recordOSS not on recordFREE yesDOCS 5.9$49/mo
- 12 Chion API not on recordOSS not on recordFREE not on recordDOCS 5.4$29/mo
- 13 Natural Language SQL API not on recordOSS not on recordFREE not on recordDOCS 5.4
- 14 IDERA AI SQL Query Generator API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 15 Savvina AI API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 16 SQLer API not on recordOSS not on recordFREE not on recordDOCS 5.0
- 17 Agentsql API not on recordOSS not on recordFREE not on recordDOCS 4.9
- 18 Queryra API not on recordOSS not on recordFREE not on recordDOCS 4.8$1/mo
- 19 Seek AI API not on recordOSS not on recordFREE not on recordDOCS 4.8
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which AI SQL generator is ranked first on Inferse?
NatureQuery is ranked #1 of 19 with a score of 7.3. Outerbase AI is second and Wren AI third.
How many of these have a free plan?
6 of the 19 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Queryra has the lowest first paid tier we found: $1/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.