Text-to-SQL & natural-language querying · AI2sql

AI2sql

Query-limited SQL generator that turns plain-English descriptions into SQL, with error fixing and query optimization.

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AI2sql is a subscription tool for writing SQL from plain-English descriptions, aimed at developers and analysts who want to skip syntax lookup rather than at business users needing a full conversational data analyst. It supports SQL, MySQL, SQL Server, and PostgreSQL on its entry plan, with broader dialect support including Oracle PL/SQL and NoSQL on higher tiers, plus features for fixing errors in existing queries and suggesting optimizations. Plans are metered by a monthly query allowance rather than unlimited use except on the Pro tier, and a one-time lifetime-access option is also sold. As with any text-to-SQL generator, output quality depends on how much schema or table detail is provided in the prompt; it does not connect to or understand a live database on its own beyond what a user pastes in.

At a glance

Vendor AI2sql
Pricing model Subscription
Free tier No
Deployment Cloud
Open source No
Best for Developers who want fast, affordable SQL generation and query fixing without a full analytics platform.

Pricing

Tiered monthly or annual plans metered by SQL queries per month, plus a one-time lifetime-access option; all paid tiers include a 7-day free trial.

Plan Price Notes
Start $9/month 100 SQL queries/month; SQL, MySQL, SQL Server, PostgreSQL; annual $84/year
Pro $19/month Unlimited SQL queries, advanced AI, database connections, query optimization, desktop app; annual $168/year
Team $39/month 5 users included, shared query library, role-based access, advanced analytics; annual $348/year
Lifetime $29 one-time 500 AI queries/month, all databases, no recurring charge

Prices read from the vendor's own page on September 21, 2026. Vendors change prices; check the source before you budget.

Features

  • Natural-language to SQL generation
  • Query error detection and fixing
  • Query optimization suggestions
  • Multi-dialect support (PostgreSQL, MySQL, SQL Server, Oracle PL/SQL, NoSQL on higher tiers)
  • Desktop app on paid tiers
  • Shared query library for teams

Integrations

Profile last reviewed September 21, 2026

Head to head

Alternatives

Text2SQL.ai Web and desktop tool that converts plain-English descriptions into SQL queries for a connected or described database schema. SQLAI.ai Query-metered SQL generator and explainer with a public API for embedding text-to-SQL into other products. BlazeSQL AI data analyst that connects to a database and answers questions in natural language by generating and running SQL.

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Terms to know

Text-to-SQL Technology that translates a plain-language question directly into a runnable SQL query against a database. Natural language query Asking a data question in plain language and getting an answer without writing code or a query language. Data analyst A practitioner who explores and reports on data, typically with SQL and BI tools, to answer specific business questions. Query optimization The process, largely automated by the database, of choosing the fastest execution plan for a given query.

Related guides

How to choose a text-to-SQL tool Text-to-SQL tools generate SQL from plain English at very different price points — match the tool to how much schema context it actually sees.