Best AI SQL Generators in 2026
Updated
In short: Outerbase AI is ranked #1 of 19 as of 4 October 2026, ahead of Text2SQL.ai and Wren AI. The best-ranked option with a free plan is Wren AI. The lowest first paid tier on this page is Queryra at $1/mo.
Turning a question into SQL is only one part of choosing an AI SQL generator; database fit and the way queries are explained can also matter. Compared on database connections, schema context, and SQL dialects, these tools additionally specify query explanations and query optimization. Deployment options, free-plan availability, and paid-from pricing provide further points to weigh. Outerbase AI, Text2SQL.ai, and Wren AI are among the entries. Check the listed connections and dialect support against your database environment, then consider whether schema-aware assistance, explanations, or optimization align with the query 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.
Compare all 19 in a table
| # | Tool | Score | Free plan | From | Free plan | Paid from | Query explanations | Query optimization |
|---|---|---|---|---|---|---|---|---|
| 1 | Outerbase AI | 7.3 | Free plan | $9/mo | Yes | — | — | Yes |
| 2 | Text2SQL.ai | 7.3 | No | — | — | 29 /user/mo | Yes | Yes |
| 3 | Wren AI | 7.3 | Free plan | $179/mo | Yes | — | Yes | Yes |
| 4 | QueryPlane | 7.2 | Free plan | $49/mo | Yes | 49 /user/mo | — | Yes |
| 5 | NatureQuery | 7.0 | Free plan | $20/mo | Yes | — | Yes | Yes |
| 6 | SQL Mocker | 7.0 | Free plan | $10/mo | Yes | — | Yes | Yes |
| 7 | SQLAI.ai | 6.9 | No | $4/mo | No | — | Yes | Yes |
| 8 | Chion | 6.8 | No | $29/mo | No | 29 /user/mo | Yes | — |
| 9 | mnemiq | 6.8 | Free plan | Free | — | — | — | — |
| 10 | Natural Language SQL | 6.7 | Free plan | Free | — | — | Yes | — |
| 11 | Basedash | 6.6 | No | $1,000/mo | Yes | 25 /user/mo | — | — |
| 12 | Vanna AI | 6.5 | No | $50/mo | Yes | — | Yes | — |
| 13 | Dataherald | 6.3 | No | — | — | — | — | — |
| 14 | SQLer | 5.7 | No | — | Yes | — | — | — |
| 15 | Agentsql | 5.6 | No | — | No | — | No | — |
| 16 | IDERA AI SQL Query Generator | 5.6 | No | — | Yes | — | — | — |
| 17 | Savvina AI | 5.6 | No | — | Yes | — | — | — |
| 18 | Queryra | 5.4 | No | $1/mo | No | — | Yes | — |
| 19 | Seek AI | 5.2 | No | — | — | — | — | — |
Is your tool 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 Specifiction?
Outerbase AI is ranked #1 of 19 with a score of 7.3. Text2SQL.ai is second and Wren AI third.
How many of these have a free plan?
7 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, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing. Paid placements never change a rank.