MongoDB Atlas vs Redis

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 7.7 for Redis, and ranks ahead in 36% of the answers that name both.

Choose MongoDB Atlas if…

You want the brand AI engines rank higher (12.7 vs 7.7)
You need ISO/IEC 27001:2022 or FedRAMP Moderate (Atlas for Government) or TX-RAMP Level 2 coverage
You prefer a larger, established vendor (5,000+ employees)
stores documents and vector embeddings together in one system

Choose Redis if…

You want a lower entry price ($0.007 vs $0.011)
AI answers describe it more positively (33% vs 28% positive)
You need a self-hosted or on-premises option
You need SOC 2 or ISO 27001 or ISO 27017 or ISO 27018 or ISO 27701 or ISO 42001 or ISO 22301 or ISO 9001 or CCPA or VPAT or FIPS 140-3 coverage

AI visibility side by side

Latest weekly run · Nov 2

Metric	MongoDB Atlas	Redis
Visibility score	12.7%	7.7%
Change vs last week	New	New
Rank in Vector Databases	#8	#10
Share of voice	5.5%	3%
Mentions this run	26	14
Positive in AI answers	28%	33%

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

Visibility score trend

Weekly runs over the last 60 days

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

Engine by engine

MongoDB Atlas leads on 2 of 3 engines

ChatGPT

15.4%

6.1%

AI Mode

13.9%

3.5%

Perplexity

8.9%

13.5%

MongoDB AtlasRedis

Head to head in AI answers

11 engine answers name both brands

4MongoDB Atlas ranked higher

7Redis ranked higher

Prompt	Engine	MongoDB Atlas	Redis
How do I choose a vector database for a mid-market team?	AI Mode	#5	#6
How do companies store and search embeddings without a dedicated tool?	ChatGPT	#5	#6
How do companies store and search embeddings without a dedicated tool?	AI Mode	#7	#6
What are the best Vector Databases tools in 2026?	ChatGPT	#10	#9
What are the best Vector Databases tools in 2026?	AI Mode	#8	#9
Alternatives to the most popular vector database	Perplexity	#8	#6
Which Vector Databases vendors do analysts recommend?	ChatGPT	#5	#7
Which Vector Databases tools offer annual discounts?	ChatGPT	#10	#5
Which Vector Databases tools offer annual discounts?	Perplexity	#6	#2
Official website of the top vector database vendors	ChatGPT	#9	#7
Official website of the top vector database vendors	Perplexity	#8	#7

Features, pricing & fit

Dimension	MongoDB Atlas	Redis
Pricing model	Usage-based	Usage-based
Entry price	Free; paid from $0.011 / mo	Free; paid from $0.007 / 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 (Redis Cloud) on AWS, Azure and Google Cloud, plus on-premises and hybrid deployment with Redis Software.
Integrations	100+	—
Compliance	ISO/IEC 27001:2022, FedRAMP Moderate (Atlas for Government), TX-RAMP Level 2, PCI DSS, HIPAA, GDPR, CSA STAR	SOC 2, ISO 27001, ISO 27017, ISO 27018, ISO 27701, ISO 42001, ISO 22301, ISO 9001, PCI DSS, HIPAA, GDPR, CCPA, CSA STAR, VPAT, FIPS 140-3
Support	Basic Support included free with Atlas, Paid plans with faster response times, Named Technical Support Engineers, Extended Lifecycle Support add-on	Community support on the free plan, Basic support on Essentials plans, Redis support team on paid plans, Knowledge base
Founded	—	2011
Headquarters	New York, NY, United States	San Francisco, CA
Employees	5,000+	1,001–5,000
Funding	IPO and stock offering · $311M raised	Series D
Best for	Development teams building AI applications and agents that need operational data, vectors and search in one platform	Developers and digital businesses building fast apps and real-time AI agents that need low-latency data access.