MongoDB Atlas vs Supabase

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 Supabase, and ranks ahead in 75% of the answers that name both.

Choose MongoDB Atlas if…

You want the brand AI engines rank higher (12.7 vs 5.7)
You want a lower entry price ($0.011 vs $25)
AI answers describe it more positively (28% vs 18% 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

Choose Supabase if…

You need a self-hosted or on-premises option
You need SOC 2 Type 2 or ISO 27001 or HIPAA (BAA available) coverage
Flat tiers pricing suits your budget better than usage-based
Integrates smoothly with Firebase and Supabase

AI visibility side by side

Latest weekly run · Nov 2

Metric	MongoDB Atlas	Supabase
Visibility score	12.7%	5.7%
Change vs last week	New	New
Rank in Vector Databases	#8	#12
Share of voice	5.5%	2.2%
Mentions this run	26	11
Positive in AI answers	28%	18%

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

Visibility score trend

Weekly runs over the last 60 days

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

Engine by engine

MongoDB Atlas leads on 3 of 3 engines

ChatGPT

15.4%

10.4%

AI Mode

13.9%

5.9%

Perplexity

8.9%

0.9%

MongoDB AtlasSupabase

Head to head in AI answers

4 engine answers name both brands

3MongoDB Atlas ranked higher

1Supabase ranked higher

Prompt	Engine	MongoDB Atlas	Supabase
Top vector database options for B2B SaaS companies	AI Mode	#5	#7
Compare the leading Vector Databases platforms	ChatGPT	#8	#9
Official website of the top vector database vendors	Perplexity	#8	#11
Where can I sign up for a vector database?	AI Mode	#9	#7

Features, pricing & fit

Dimension	MongoDB Atlas	Supabase
Pricing model	Usage-based	Flat tiers
Entry price	Free; paid from $0.011 / mo	Free; paid from $25 / mo
Free plan	Yes	Yes
Deployment	Fully managed cloud with Atlas Core and Atlas Infinite deployment options, or self-managed through MongoDB Enterprise Advanced	Hosted cloud in AWS regions across the US, EU and Asia Pacific, or self-hosted open source
Integrations	100+	—
Compliance	ISO/IEC 27001:2022, FedRAMP Moderate (Atlas for Government), TX-RAMP Level 2, PCI DSS, HIPAA, GDPR, CSA STAR	SOC 2 Type 2, ISO 27001, HIPAA (BAA available)
Support	Basic Support included free with Atlas, Paid plans with faster response times, Named Technical Support Engineers, Extended Lifecycle Support add-on	Community support (Free plan), Email support (Pro plan), Priority email support and SLAs (Team plan), 24x7 premium enterprise support and private Slack channel (Enterprise plan)
Founded	—	2020
Headquarters	New York, NY, United States	Remote-first, United States
Employees	5,000+	201–500
Funding	IPO and stock offering · $311M raised	Series D · $1000M raised
Best for	Development teams building AI applications and agents that need operational data, vectors and search in one platform	Teams building production applications on Postgres that want auth, storage, realtime and vector search in one backend