Side by side

Natural Language SQL vs Outerbase AI

Both stand on ai sql generators. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Natural Language SQL

Free plan APILinuxMac+2

Natural Language SQL offers a local-default workflow with editable queries and PostgreSQL and MySQL support. Because write queries are allowed by default, the project recommends using a read-only database user to block them.

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Outerbase AI

Free plan Open source APILinuxMac+3

Outerbase AI combines schema-aware query assistance with database connections, charting, and dashboard generation. The free plan is bounded by user, query, and database-type limits, and self-hosting requires Enterprise.

Visit Outerbase AI

The facts

	Natural Language SQL	Outerbase AI
Free plan	Yes	Yes
Open source	Not published	Yes
Runs on	API, Linux, Mac, Self-hosted, Web	API, Linux, Mac, Self-hosted, Web, Windows
Lowest paid plan	Free or on request	Hobby: $9 a month
Plans published	1	4
Maker	Not published	Not published
Website	github.com	outerbase.com
On ai sql generators	#2 of 19	#1 of 19

Natural Language SQL: what it does well

Connects to PostgreSQL and MySQL.
Users can review and edit SQL before execution.
Ollama runs locally by default.
Results can be downloaded as CSV or JSON.

What to know first

Write queries are allowed by default.
Docker setup needs about 10 GB of free disk space.
First run downloads an approximately 5 GB model.

Outerbase AI: what it does well

Generates queries, charts, and dashboards from natural language.
Uses database schema context in assistant responses.
Connects to a range of listed database systems.
Customer data stays in the customer's database.

What to know first

Free plan limits queries to 10 per month.
Free plan supports transactional databases only.
Self-hosting is limited to Enterprise customers.
Paid per-user prices are billed annually.

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