Defog

Description
🖼️ Tool Name:
Defog
✏️ What does this tool offer in 2026?
Natural Language to SQL/Python: Converts conversational questions (e.g., "Show me the monthly churn for premium users in Europe") into executable code instantly.
Privacy-First Architecture: Defog only requires access to your database schema (table/column names). Your actual row-level data stays on your servers.
Defog Agents: (New for 2026) Advanced agents that can decompose complex, ambiguous questions into sub-tasks, execute them in parallel, and provide a synthesized report.
Feedback Adaptation: The system features "Guided Teaching," where it learns from user corrections in real-time to align with specific business logic.
Multi-Database Support: Seamlessly query across different sources like Snowflake, BigQuery, Redshift, Databricks, or even uploaded CSV files.
Auto-Visualization: Automatically generates relevant charts, graphs, and tables alongside query results for immediate reporting.
Embedded AI Widget: Developers can embed a "Chat with Data" widget into their own SaaS products with just a few lines of code.
SQLCoder (Open Source): Defog maintains SQLCoder, a state-of-the-art family of open-source LLMs that often outperform GPT-4 in text-to-SQL tasks.
⭐️ What does it offer? (User Experience)
"Data Democracy": Rated 4.7/5 for empowering non-technical teams (Sales, Marketing, HR) to get their own answers without waiting for the data team.
Trust & Security: Highly praised by legal and security teams because it avoids the privacy risks associated with sending raw data to external LLMs.
🤖 Automation:
Autonomous Workflow Execution: Agents can automate repetitive data science tasks like feature engineering or trend analysis across large datasets.
💵 Pricing (January 2026 Status)
Defog offers a range of plans, from a free tier for developers to high-security enterprise deployments.
🎁 Is the free version a trial or completely free?
It is Freemium. There is a permanent Free Plan (limited to 100 API calls) for developers to build an MVP. They also offer a 14-day free trial for their higher tiers to test advanced agents and larger schemas.
⚙️ Access or Source:
Official Website
Open Source Models: Available on
Backed By: Y Combinator.
🔗 Experience Link: