LanceDBThe multimodal lakehouse for AI, accelerating large-scale data curation and feature engineering.

MongoDB AtlasThe intelligent data platform for the AI era

Comparison · Vector Databases · weekly run Nov 2

LanceDB vs MongoDB Atlas

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

MongoDB Atlas is the stronger AI pick in Vector Databases: it has a visibility score of 12.7 versus 5.7 for LanceDB, and ranks ahead in 75% of the answers that name both.

Choose LanceDB if…

AI answers describe it more positively (31% vs 28% positive)
You need SOC 2 Type II coverage
Open-source, serverless vector database
Embeds directly into applications and notebooks

Choose MongoDB Atlas if…

You want the brand AI engines rank higher (12.7 vs 5.7)
You need ISO/IEC 27001:2022 or FedRAMP Moderate (Atlas for Government) or TX-RAMP Level 2 or PCI DSS or CSA STAR coverage
You prefer a larger, established vendor (5,000+ employees)
stores documents and vector embeddings together in one system

AI visibility side by side

Latest weekly run · Nov 2

Metric	LanceDB	MongoDB Atlas
Visibility score	5.7%	12.7%
Change vs last week	New	New
Rank in Vector Databases	#11	#8
Share of voice	2.8%	5.5%
Mentions this run	13	26
Positive in AI answers	31%	28%

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

LanceDB 0pp · MongoDB Atlas 0pp over 0 weekly runs.

Engine by engine

MongoDB Atlas leads on 3 of 3 engines

ChatGPT

6.1%

15.4%

AI Mode

6.1%

13.9%

Perplexity

8.9%

LanceDBMongoDB Atlas

Head to head in AI answers

8 engine answers name both brands

2LanceDB ranked higher

6MongoDB Atlas ranked higher

Prompt	Engine	LanceDB	MongoDB Atlas
What are the best Vector Databases tools in 2026?	ChatGPT	#6	#10
Alternatives to the most popular vector database	AI Mode	#9	#4
Alternatives to the most popular vector database	Perplexity	#9	#8
Which Vector Databases tools offer annual discounts?	ChatGPT	#11	#10
Which Vector Databases tools offer annual discounts?	Perplexity	#7	#6
Official website of the top vector database vendors	ChatGPT	#11	#9
Official website of the top vector database vendors	Perplexity	#5	#8
Where can I sign up for a vector database?	AI Mode	#11	#9

Features, pricing & fit

Dimension	LanceDB	MongoDB Atlas
Pricing model	—	Usage-based
Entry price	—	Free; paid from $0.011 / mo
Free plan	—	Yes
Deployment	Open-source edition embedded in the application; LanceDB Cloud serverless; Enterprise in the customer's own cloud.	Fully managed cloud with Atlas Core and Atlas Infinite deployment options, or self-managed through MongoDB Enterprise Advanced
Integrations	—	100+
Compliance	SOC 2 Type II, HIPAA, GDPR	ISO/IEC 27001:2022, FedRAMP Moderate (Atlas for Government), TX-RAMP Level 2, PCI DSS, HIPAA, GDPR, CSA STAR
Support	Contact form, with a reply promised within 48 hours	Basic Support included free with Atlas, Paid plans with faster response times, Named Technical Support Engineers, Extended Lifecycle Support add-on
Founded	2022	—
Headquarters	San Francisco, California	New York, NY, United States
Employees	11–50	5,000+
Funding	Series A	IPO and stock offering · $311M raised
Best for	Feature teams building production AI applications with vector search and multimodal data.	Development teams building AI applications and agents that need operational data, vectors and search in one platform