Vanna AI vs Defog

Comprehensive side-by-side comparison — features, pricing, performance, and more.

Data last refreshed October 2026

Vanna AI

Vanna AI, Inc.

The SQL Agent

Open Source

79% verification coverage

Defog

Defog, Inc.

Never wait for data again

Paid

79% verification coverage

Trust & Reliability

Vanna AI

Customers (per vendor):Apple, NVIDIA, Tesla +2

Defog

Users:100K-1M

Customers (per vendor):Toyota, Alliance Bernstein, Macmillan +1

Overall Winner: Defog

6.0/10 vs Vanna AI at 5.0/10

Leads in:

Ease of Use

Integration

Planning Quality

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

AI Comparison Summary

Vanna AI

5.0

avg score

Defog

6.0

avg score

Defog leads overall — particularly in Ease of Use and Integration.

Based on 7 dimensions

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

Overall Winner

Defog

6.0 / 10

Vanna AI

Best For

Small teams of 2-3 people needing to query databases with natural language

Small companies or large teams requiring higher query limits and live support

Large companies needing unlimited scale, on-prem deployment, and SAML SSO

Users across an organization who lack SQL expertise but need data access

Defog

Best For

Enterprise organizations needing fast data insights

Data analysts looking to explore broad hypotheses and drill down into specifics

Teams requiring privacy-first AI data analysis

Organizations with diverse data sources including databases, SaaS tools, and CSVs

* Verdict is based on our algorithmic scoring of publicly available data. Learn about our methodology

Vanna AI is best for

🎨Image & Design7.0📊Data & Analytics4.7💻Coding & Dev4.0

Defog is best for

🎨Image & Design7.0💻Coding & Dev6.0📊Data & Analytics6.0

Filter by your use case:

Limitations

Vanna AI

Cons

Daily throughput limits reset every 24 hours; exceeding limits results in rate-limiting until reset
No refunds are offered after a purchase or subscription has been made (terms of service)
Security measures are industry-standard but cannot guarantee absolute safety from intrusion (terms of service)
Users accessing the site from outside the United States are responsible for compliance with local laws and regulations (terms of service)

Defog

Cons

Self-hosted models require an annual commitment
Free API key is limited to 5 tables, 25 columns, and 1000 queries per month
The site is provided on an "as-is" and "as available" basis with limited warranties
Company has no obligation to provide support in connection with the site

Weighted Score — Adjust What Matters to You

Pick a profile or drag sliders — scores and radar update instantly on the right.

Quick profiles:

Ease of Use5

Customization5

Support5

Integration5

Compliance & Data Protection5

Performance5

Planning Quality5

Dimension Comparison

Vanna AI

5.0

/ 10

Defog

6.0

/ 10

Clear winner

Dimension Breakdown

Ease of Use

How intuitive is onboarding, UI navigation, and day-to-day usage for the target audience?

Vanna AI

6.0

Defog

9.0▲ +3.0

Customization

Calculated

How much can users tailor workflows, settings, prompts, or outputs to their needs?

Vanna AI

8.0▲ +1.0

Defog

7.0

Support

How strong is the documentation, customer support, community, and learning resources?

Vanna AI

5.0

Defog

6.0▲ +1.0

Integration

Calculated

How well does it connect with other tools, APIs, and workflows?

Vanna AI

3.0

Defog

7.0▲ +4.0

Compliance & Data Protection

Calculated

Compliance certifications and data-protection posture, counted from ten verified signals: SOC 2 Type II, GDPR compliance, HIPAA, WCAG AA/AAA, PII redaction, licensed-only training, a published sub-processor list, a downloadable DPA, not training on user data, and a documented deletion path

Vanna AI

2.0▲ +1.0

Defog

1.0

Performance

Calculated

Latency + throughput speed

Vanna AI

5.0

Defog

5.0

Planning Quality

Calculated

Multi-step planning depth + replanning capability

Vanna AI

6.0

Defog

7.0▲ +1.0

Calculated = derived from structured signals (integration count, API/open-source config, compliance certs, response-time). AI = LLM-assessed from public website content. Methodology

Task Performance

Vanna AI

Task

Defog

7.0

Data Visualization

7.0

9.0

Natural Language Queries

9.0

4.0

Dashboard Creation

4.0

2.0

Data Cleaning

4.0

2.0

Predictive Analytics

5.0

Automated Insights

6.0

8.0

Data Integration

8.0

4.0

Report Generation

6.0

2.0

Anomaly Detection

4.0

Collaboration Sharing

6.0

* Task scores (1–10) are algorithmically generated from publicly available data.

Data is sourced from public information and vendor websites. It may not always be up-to-date — verify pricing and features directly with the vendor before purchasing.Report inaccuracy

Frequently Asked Questions

What are the main differences between Vanna AI and Defog?

Vanna AI — "The SQL Agent". Defog — "Never wait for data again". The Features section on this page compares them side by side.

Who is Vanna AI best for compared with Defog?

Vanna AI is best for Small teams of 2-3 people needing to query databases with natural language; and for Small companies or large teams requiring higher query limits and live support. Defog is best for Enterprise organizations needing fast data insights; and for Data analysts looking to explore broad hypotheses and drill down into specifics.

How does the pricing of Vanna AI compare with Defog?

Vanna AI is open source, includes a free plan, paid plans start at $50/month. Defog is paid, paid plans start at $5000/month. Always verify current pricing with the vendor.

Does Vanna AI or Defog have a free plan?

Vanna AI is open source. Defog lists no free plan. Always verify current pricing with the vendor.

Do Vanna AI and Defog offer an API?

Vanna AI offers a public API. Defog offers a public API.

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