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Microsoft Azure Cosmos DB vs Supabase Vector comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Apr 6, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Microsoft Azure Cosmos DB
Ranking in Vector Databases
3rd
Average Rating
8.2
Reviews Sentiment
7.2
Number of Reviews
91
Ranking in other categories
Database as a Service (DBaaS) (6th), NoSQL Databases (3rd), Managed NoSQL Databases (1st)
Supabase Vector
Ranking in Vector Databases
13th
Average Rating
8.6
Reviews Sentiment
7.9
Number of Reviews
2
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of May 2025, in the Vector Databases category, the mindshare of Microsoft Azure Cosmos DB is 3.0%. The mindshare of Supabase Vector is 5.9%, up from 0.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Vector Databases
 

Featured Reviews

Brandon Smith - PeerSpot reviewer
Removes bottlenecks related to databases in our application and works quickly because of reference keys
There's another feature that we just started implementing, which is partial updates of documents. It doesn't require the entire object to update, but updating documents across applications becomes difficult because you have to pull the entire document, which means you have to support the entire model to update it. So, that application has to know about every single parameter that may or may not have been added because if it reads and writes the document again, you'll lose data elements. An improvement would be a more robust functionality around updating elements on a document, or some type of procedural updates that don't require pulling the entire document. Otherwise, you have to keep all of your apps up to date with the models, and that can be cumbersome and lead to errors. Usually, you don't always remember, and then it leads to some type of bug, but you won't realize why. You'll lose some value because you don't realize that you have some application that doesn't run often. You forget that it writes to that same document and you didn't update the model. It would be nice to have some type of functionality for less common updating applications and to not always have to worry about keeping that model up to date. There's some integration with Entity Framework and it's nice, but it's not robust and it would be good to have something like that when it comes to pulling data. Occasionally, you have to query the database for values because we save our appointments and we don't have an index on appointments. We don't have a manual lookup for appointments, so we don't save it in another file. We have to run a query to get appointments that occur on a specific day and the downside of that is you have to use strings just to hardcode the string values. It would be nice to more easily integrate with a tool like Entity Framework, and I know that they do, but it's not an easy process. It would be nice to have an easier way without relying on text to query the database.
Kaustubh Sule - PeerSpot reviewer
Easy to use, and there is no need to get involved in any tedious deployment process
If you are a business building a social media app, there will be thousands of users for every such app. Each user will have a post or something. When multiple users try to hit the like button on your post or try to comment on your post, each of them would be an API request, and Supabase Vector does not charge for them like. The API requests are kind of unlimited. If you compare Supabase Vector to any of the other services like Firebase, AWS, or Azure, all the tools charge per request. From a scalability standpoint, if you are a small-scale startup and you have around 1,00,000 or 2,00,000 users, then Supabase Vector is a perfect choice for you. I have never heard about any scalability issues in the product. Scalability-wise, I rate the solution a ten of ten.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"What I appreciate most are the latency and the access, which are guaranteed by the tool, which is really impressive."
"Microsoft Azure Cosmos DB's most valuable feature is latency."
"Azure Cosmos DB's resiliency is valuable. It is available in every Azure region, allowing quick information storage and retrieval. We can partition it to improve indexing, enabling us to retrieve information and recreate website content quickly."
"The solution is easy to use, and it is also easy to integrate with several things for database use cases."
"Microsoft Azure Cosmos DB offers the response times needed for advanced analytics applications."
"The latency and availability of Microsoft Azure Cosmos DB are fantastic."
"We chose Azure Cosmos DB initially because of the type of data that we needed to store. We have a schema that is very nondeterministic and flexible. It is always changing based on whatever data we need to acquire from different devices, so we needed a document store with a flexible schema."
"I would rate it a ten out of ten for stability."
"The tool is easy to use."
"The platform's role-level security feature is quite effective for spatial data management."
 

Cons

"Cosmos DB should continue evolving in AI features. We expect Cosmos DB to lead on that. There is potential for improved security features, which is important for data storage, especially for Dell Technologies. We must ensure data security remains the top priority."
"The query is a little complex. SQL server should have more options. But the query should be better."
"The query searching functionality has some complexities and could be more user-friendly."
"There are no specific areas I believe need improvement as I am happy with what I am getting currently. However, I am open to new features in future versions, like possibly integrating AI features natively into Cosmos DB. Any improvement would be beneficial."
"Azure Cosmos DB is generally a costly resource compared to other Azure resources. It comes with a high cost."
"There's a little bit of a learning curve because I was new to Azure. But once you learn the tool, it's pretty straightforward."
"The one thing that I have been working on with Microsoft with regard to this is the ability to easily split partitions and have it do high-performance cross-partition queries. That is the only place where either our data size or our throughput has grown beyond one partition, so being able to do cross-partition queries efficiently would be my number one request."
"Its stability can be further improved."
"The support for React Native CLI is an area with certain shortcomings where improvements are required."
"One area for the solution improvement is the inclusion of more sample code in various programming languages, particularly PHP."
 

Pricing and Cost Advice

"Its pricing is not bad. It is good."
"Pricing, at times, is not super clear because they use the request unit (RU) model. To manage not just Azure Cosmos DB but what you are receiving for the dollars paid is not easy. It is very abstract. They could do a better job of connecting Azure Cosmos DB with the value or some variation of that."
"Cosmos DB is expensive, and the RU-based pricing model is confusing. Although they have a serverless layer, there are deficiencies in what I can define and assign to a database. Estimating infrastructure needs is not straightforward, making it challenging to manage costs."
"It seems to have helped significantly. We were using a different database system previously, and one of the reasons for acquiring Microsoft Azure Cosmos DB was cost."
"When we've budgeted for our resources, it's one of the more expensive ones, but it's still not very expensive per month."
"Its cost is transparent. Pricing depends on the transaction and data size, but overall, it is cheaper compared to hosting it on your corporate network due to other factors like power consumption."
"Cosmos DB is cost-effective when starting but requires careful management."
"Its pricing is higher compared to solutions like Aerospike. However, it is justified because of the out-of-the-box features that are provided. The availability and resiliency that we have make it worth the price."
"The solution's cost is reasonable compared to other solutions."
"As per the product's regular pricing plans, the tools are available to users for 20 to 25 USD per month."
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Top Industries

By visitors reading reviews
Legal Firm
12%
Computer Software Company
11%
Comms Service Provider
11%
Financial Services Firm
10%
Comms Service Provider
19%
Computer Software Company
10%
Retailer
9%
Government
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What do you like most about Microsoft Azure Cosmos DB?
The initial setup is simple and straightforward. You can set up a Cosmos DB in a day, even configuring things like availability zones around the world.
What is your experience regarding pricing and costs for Microsoft Azure Cosmos DB?
It is cost-efficient as long as you understand the right setup to optimize usage. Knowing the data needs of the organization and adjusting the Microsoft Azure Cosmos DB usage accordingly helps save...
What needs improvement with Microsoft Azure Cosmos DB?
What is missing in Microsoft Azure Cosmos DB is definitely cold storage. We know it's coming, but that's currently what is missing—the possibility to park older data in a cold tier. Aside from the ...
What is your experience regarding pricing and costs for Supabase Vector?
The solution's cost is reasonable compared to other solutions. We currently use the standard plan, which costs about $480 annually, and may switch to a full data plan depending on project needs. I ...
What needs improvement with Supabase Vector?
One area for the solution improvement is the inclusion of more sample code in various programming languages, particularly PHP. Expanding the support for complex transactional queries and enhancing ...
What is your primary use case for Supabase Vector?
We use the product primarily to handle data models and API integrations. It simplifies security setup, API documentation generation, and database management.
 

Also Known As

Microsoft Azure DocumentDB, MS Azure Cosmos DB
No data available
 

Overview

 

Sample Customers

TomTom, KPMG Australia, Bosch, ASOS, Mercedes Benz, NBA, Zero Friction, Nederlandse Spoorwegen, Kinectify
Information Not Available
Find out what your peers are saying about Microsoft Azure Cosmos DB vs. Supabase Vector and other solutions. Updated: April 2025.
851,604 professionals have used our research since 2012.