Defog

Get instant insights from structured data using a specialized AI analyst that translates natural language into SQL while keeping your enterprise data private.

Paid data querying

Starting at

$5,000/mo

About Defog

Defog is a specialized AI data analyst designed for enterprise-grade data exploration and querying. It leverages a proprietary, fine-tuned large language model called SQLCoder, which is specifically optimized to translate natural language questions into accurate SQL queries. By connecting directly to structured data sources like Postgres, Snowflake, or even flat CSV files, the platform allows users to bypass traditional BI bottlenecks. Instead of waiting for data teams to build custom dashboards or run manual reports, business users can interact with their data through a conversational interface, drilling down into specifics or exploring broad hypotheses in real-time. The technical core of the platform is SQLCoder, an open-source model that Defog claims outperforms major general-purpose models like GPT-4 in text-to-SQL tasks. To ensure reliability, the system incorporates an evaluation framework called SQLEval, which measures query accuracy and interpretability. Users can ask follow-on questions to refine their search, and the AI adapts over time based on user feedback and preferences. Security is a primary focus, as the tool is designed so that raw data is never shared with the AI models themselves, and the platform offers self-hosted deployment options for organizations with strict data residency requirements. Defog is primarily aimed at data-heavy industries where quick access to insights is critical, such as finance, healthcare, and manufacturing. It serves both business stakeholders who need answers without knowing SQL, and data engineers who want to reduce the burden of repetitive ad-hoc requests. The platform supports a wide range of integrations, from popular cloud data warehouses to local databases, making it versatile for different technical stacks. Its ability to be deployed via Docker or self-hosted on private infrastructure makes it a strong candidate for enterprises that cannot use public cloud-based AI tools for sensitive data. What distinguishes Defog from general AI assistants is its hyper-specialization in structured data. While general LLMs may hallucinate table schemas or write inefficient code, Defog’s models are purpose-built for database logic. The availability of open-source versions of their model on Hugging Face demonstrates a commitment to transparency and community validation that is rare among enterprise AI startups. This combination of high-accuracy specialized models, flexible deployment, and a privacy-first architecture positions it as a robust solution for organizations looking to implement chat-with-data capabilities safely.

Defog pros & cons

Pros

SQLCoder models outperform GPT-4 in specialized text-to-SQL benchmarks.
Privacy-first architecture ensures raw data is never shared with the AI model.
Supports self-hosting on private infrastructure for maximum security.
Offers high-throughput querying with up to 200 queries per minute on cloud plans.
Includes an open-source evaluation framework (SQLEval) for accuracy tracking.

Cons

Self-hosted enterprise plans require a mandatory annual commitment.
Full customization and scaling require a relatively high starting price of $5,000 per month.
Lower-tier or free hosted versions for individual users are not currently listed.

Defog use cases

Data analysts can use Defog to automate the generation of complex SQL queries, significantly reducing the time spent on manual reporting.
Business executives can ask natural language questions about sales metrics to get instant answers without needing a technical intermediary.
Enterprise IT teams can deploy Defog on their own infrastructure to provide AI tools while maintaining strict data sovereignty.
Product managers can build custom no-code AI tools within Defog to track specific KPIs across multiple data sources.

Defog features

natural language to sql
self-hosted infrastructure options
custom no-code ai tools
sso authentication
docker-based deployment
csv file support
native database connectors
sqlcoder fine-tuned models

Defog pricing

Is Defog free? No, Defog doesn't offer a free plan; pricing starts at $5,000 / month.

Enterprise (Cloud Hosted)

$5,000 / month

20,000+ queries/month
One-click Docker deployment
SSO Authentication
Custom AI tools
White glove onboarding
Priority support
Up to 200 queries/minute
SLA, MSA and DPA available

Enterprise (Self-hosted)

Price varies

Hosted on your own infrastructure
SoTA 8b, 14b, or 32b models
Unlimited queries
No rate limits
Annual commitment required

Defog FAQs

How does Defog ensure the privacy of my database?

Defog is designed so that your actual data is never shared with the AI model or any third party; it only processes the metadata and query logic to generate SQL.

What types of databases can I connect to Defog?

Defog supports a wide range of structured data sources, including Postgres, Snowflake, and standard CSV files via native connectors.

Can I run Defog on my own servers?

Yes, the Enterprise Self-hosted plan allows you to host state-of-the-art 8b, 14b, or 32b models on your own infrastructure to maintain full data control.

How accurate is the SQL generation compared to GPT-4?

Defog uses SQLCoder, a specialized LLM benchmarked to outperform general models like GPT-4 in text-to-SQL tasks specifically for structured data.

Is there a limit to how many queries I can run?

The Cloud Hosted plan includes over 20,000 queries per month, while the Self-hosted plan offers unlimited queries without any rate limits.

Ratings & reviews

No reviews yet. Be the first to share how Defog worked for you.