CrateDB 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 0 for CrateDB, and ranks ahead in 0% of the answers that name both.

Choose CrateDB if…

You need ISO 27001 (CrateDB Cloud on AWS and Azure) or SOC 2 Type II coverage
Handles massive time-series, IoT, and operational data in real time
Strong for high-volume real-time analytics
Horizontal scalability with SQL access

Choose MongoDB Atlas if…

You want the brand AI engines rank higher (12.7 vs 0)
You want a lower entry price ($0.011 vs $0.073)
AI answers describe it more positively (28% vs 0% positive)
You need ISO/IEC 27001:2022 or FedRAMP Moderate (Atlas for Government) or TX-RAMP Level 2 or PCI DSS or HIPAA or GDPR or CSA STAR coverage

AI visibility side by side

Latest weekly run · Nov 2

Metric	CrateDB	MongoDB Atlas
Visibility score	0%	12.7%
Change vs last week	New	New
Rank in Vector Databases	#29	#8
Share of voice	0%	5.5%
Mentions this run	0	26
Positive in AI answers	0%	28%

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

Visibility score trend

Weekly runs over the last 60 days

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

Engine by engine

MongoDB Atlas leads on 3 of 3 engines

ChatGPT

15.4%

AI Mode

13.9%

Perplexity

8.9%

CrateDBMongoDB Atlas

Head to head in AI answers

1 engine answers name both brands

1CrateDB ranked higher

0MongoDB Atlas ranked higher

Prompt	Engine	CrateDB	MongoDB Atlas
What are the pros and cons of CrateDB?	ChatGPT	#1	#3

Features, pricing & fit

Dimension	CrateDB	MongoDB Atlas
Pricing model	Usage-based	Usage-based
Entry price	Free; paid from $0.073 / mo	Free; paid from $0.011 / mo
Free plan	Yes	Yes
Deployment	On-prem, at the edge, in public or private cloud, or fully managed on CrateDB Cloud or STACKIT.	Fully managed cloud with Atlas Core and Atlas Infinite deployment options, or self-managed through MongoDB Enterprise Advanced
Integrations	—	100+
Compliance	ISO 27001 (CrateDB Cloud on AWS and Azure), SOC 2 Type II	ISO/IEC 27001:2022, FedRAMP Moderate (Atlas for Government), TX-RAMP Level 2, PCI DSS, HIPAA, GDPR, CSA STAR
Support	Development support (free plan), Basic support (included with dedicated plans), Premium support (optional)	Basic Support included free with Atlas, Paid plans with faster response times, Named Technical Support Engineers, Extended Lifecycle Support add-on
Founded	2013	—
Headquarters	Vienna, Austria	New York, NY, United States
Employees	11–50	5,000+
Funding	Seed round (per Caplight, amount not stated)	IPO and stock offering · $311M raised
Best for	Teams with high-volume, high-cardinality operational data, such as sensor, telemetry and event streams, who need real-time analytics, search and vector queries without ETL.	Development teams building AI applications and agents that need operational data, vectors and search in one platform