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Defog

by Full Stack Data Pte Ltd (DBA Defog.ai) • Singapore (HQ), San Francisco, CA, USA • Founded 2023

Privacy-First AI That Turns Natural Language Into SQL Queries

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Pricing
Enterprise Cloud from $5,000/mo
Platforms
API
Available
Last Updated
Apr 23, 2026

What is Defog?

Defog is an enterprise-grade AI data analyst that converts natural language questions into accurate SQL queries and Python code. Built on SQLCoder, its proprietary open-source LLM with over 2 million downloads, Defog outperforms GPT-4 on text-to-SQL benchmarks. It connects directly to databases like Postgres, Snowflake, BigQuery, Redshift, and Databricks, as well as CSV and Excel files.

Defog uses a zero-trust architecture where only metadata is accessed and your actual data never leaves your servers. Backed by Y Combinator with $2.2M in seed funding, Defog is SOC 2 Type II compliant and trusted by enterprises in finance, healthcare, and manufacturing.

Key Features 8

SQLCoder LLM Outperforms GPT-4 On Text-To-SQL Benchmarks
Zero-Trust Architecture Where Data Never Leaves Your Servers
Guided Teaching Model Aligns Outputs With User Expectations
Open-Source SQLEval Framework For Accuracy Measurement And Testing
Multi-Step Workflow Agents For SQL Python And R
Introspect Deep Research Across Structured And Unstructured Data
Hard Filters For Row And Column Level Access Control
Adaptive Feedback Loop That Learns From User Corrections

Who Is Defog For

1 Data Analysts
2 Business Intelligence Teams
3 Enterprise Data Engineers
4 Healthcare Compliance Officers
5 Financial Data Scientists
6 Non-Technical Business Stakeholders

Pros & Cons

Pros 4 benefits
  • Outperforms GPT-4 On SQL
  • True Zero-Trust Data Privacy
  • Open-Source Model Weights Available
  • SOC 2 Type II Certified
Cons 3 limitations
  • Enterprise-Only Pricing Structure
  • Steep Setup For Non-Technical Users
  • Small Team Limits Support Bandwidth

Frequently Asked Questions

5 questions

Trusted Reviews

Verified Platforms

What's New

monthly
Open-Sourced Introspect Deep Research Tool

Released Introspect under MIT license, enabling deep research across structured databases, PDFs, and web sources using multi-agent orchestration.

Mar 3
Open-Sourced SQLCoder-70B 70B

Released SQLCoder-70B, the state-of-the-art text-to-SQL model achieving 30 percentage points accuracy improvement over earlier versions and outperforming GPT-4.

Jan 30
View all updates

User Base

2M+ SQLCoder downloads
Active Users

Security & Privacy

SOC 2 Type II
Zero-trust architecture (metadata-only access) Google Cloud Intrusion Detection System (IDS) Read-only query generation (no UPDATE/DELETE) Row and column level access control (hard_filters) SSO/SAML authentication support

Collaboration & Teams

Team Workspaces Multi-User Access Role Permissions Comments

Learning & Support

Resources

Documentation Video Tutorials Blog

Support Channels

Email Priority Dedicated Manager Onboarding

Localization

1
UI Languages
10+
Content Languages
RTL Support

Recognition & Trust

YC Backed VC Funded Open Source
Media: Featured endorsement by Clement Delangue (CEO, Hugging Face)

Defog Pricing

Enterprise Cloud from $5,000/mo

Starter
$10 /mo

Essential features to get started

BEST VALUE
Premium
$20 /mo
  • All starter features
  • Advanced tools
Save 20% with annual billing
View Pricing

Company Info

Company Full Stack Data Pte Ltd (DBA Defog.ai)
Location Singapore (HQ), San Francisco, CA, USA
Founded 2023
Team Size 2-10

Defog Popularity

4
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0
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Privacy-First AI That Turns Natural Lang
Paid ★★★★★ 4.5
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