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Defog.ai

Natural language to SQL for your own database

AI Data & Research
Free tier
text-to-sql
api
database
self-host

Defog.ai is Natural language to SQL for your own database. Best for engineering and data teams embedding text-to-sql into internal analytics products. Pricing: Free tier for limited queries; paid API plans based on usage (verify on site). A free tier is available.

See Defog.ai pricing, plans & free tier →

Overview

Defog.ai converts plain-English questions into accurate SQL queries against a user's own database schema, supporting PostgreSQL, MySQL, Snowflake, and BigQuery. It learns from schema metadata and query feedback to improve accuracy over time. An API-first design lets engineering teams embed the capability into internal tools.

Best for

Engineering and data teams embedding text-to-SQL into internal analytics products

Not for

Business users who need a fully hosted BI dashboard without any technical setup

What people use it for

Convert natural language to production-ready SQL
Self-host models on private infrastructure
Integrate via REST API into existing tools
Train on proprietary schema for domain accuracy

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Frequently asked questions

Is Defog.ai worth it?
Defog.ai is worth it if engineering and data teams embedding text-to-sql into internal analytics products. It's not the right pick if business users who need a fully hosted bi dashboard without any technical setup. A free tier lets you test it at no cost first.
What is Defog.ai?
Defog.ai is Natural language to SQL for your own database. It's best for engineering and data teams embedding text-to-sql into internal analytics products.
How much does Defog.ai cost?
Free tier for limited queries; paid API plans based on usage (verify on site)
Does Defog.ai have a free tier?
Yes, Defog.ai offers a free tier or free plan.
What are the best Defog.ai alternatives?
Top alternatives include Julius AI, ThoughtSpot, Hex. See the full comparison on our Defog.ai alternatives page.