MongoDB Atlas vs TiDB

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 1.9 for TiDB, and ranks ahead in 100% of the answers that name both.

Choose MongoDB Atlas if…

You want the brand AI engines rank higher (12.7 vs 1.9)
You want a lower entry price ($0.011 vs $400)
You need ISO/IEC 27001:2022 or FedRAMP Moderate (Atlas for Government) or TX-RAMP Level 2 or PCI DSS or HIPAA or CSA STAR coverage
You prefer a larger, established vendor (5,000+ employees)

Choose TiDB if…

You need ISO/IEC 27001:2013 or SOC 2 Type 2 or CCPA coverage

AI visibility side by side

Latest weekly run · Nov 2

Metric	MongoDB Atlas	TiDB
Visibility score	12.7%	1.9%
Change vs last week	New	New
Rank in Vector Databases	#8	#20
Share of voice	5.5%	0.7%
Mentions this run	26	3
Positive in AI answers	28%	—

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

Visibility score trend

Weekly runs over the last 60 days

MongoDB Atlas 0pp · TiDB 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%

5.6%

MongoDB AtlasTiDB

Head to head in AI answers

1 engine answers name both brands

1MongoDB Atlas ranked higher

0TiDB ranked higher

Prompt	Engine	MongoDB Atlas	TiDB
Compare the leading Vector Databases platforms	Perplexity	#9	#11

Features, pricing & fit

Dimension	MongoDB Atlas	TiDB
Pricing model	Usage-based	Usage-based
Entry price	Free; paid from $0.011 / mo	Free; paid from $400 / mo
Free plan	Yes	Yes
Deployment	Fully managed cloud with Atlas Core and Atlas Infinite deployment options, or self-managed through MongoDB Enterprise Advanced	Managed cloud service (TiDB Cloud), bring-your-own-cloud (BYOC) deployment in the customer's cloud account, and self-managed open source
Integrations	100+	—
Compliance	ISO/IEC 27001:2022, FedRAMP Moderate (Atlas for Government), TX-RAMP Level 2, PCI DSS, HIPAA, GDPR, CSA STAR	ISO/IEC 27001:2013, SOC 2 Type 2, GDPR, CCPA
Support	Basic Support included free with Atlas, Paid plans with faster response times, Named Technical Support Engineers, Extended Lifecycle Support add-on	Online documentation and setup guides, FAQs, Contact sales
Founded	—	2015
Headquarters	New York, NY, United States	Sunnyvale, California
Employees	5,000+	501–1,000
Funding	IPO and stock offering · $311M raised	Series A
Best for	Development teams building AI applications and agents that need operational data, vectors and search in one platform	Teams building AI agents and agentic workloads that need vectors, transactions and analytics in one database