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Microsoft Azure Cosmos DB vs SingleStore comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Jan 25, 2026

Review summaries and opinions

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

ROI

Sentiment score
6.3
Microsoft Azure Cosmos DB reduces costs up to 40% with pay-as-you-go models, dynamic scaling, and auto-scaling features.
Sentiment score
5.9
SingleStore enhances performance and efficiency with minimal setup, delivering transactional and analytical capabilities while reducing operational overhead.
Getting an MVP of that project would have taken six to eight months, but because we had an active choice of using Azure Cosmos DB and other related cloud-native services of Azure, we were able to get to an MVP stage in a matter of weeks, which is six weeks.
Director | Data & AI at a tech services company with 11-50 employees
You can react quickly and trim down the specs, memory, RAM, storage size, etc. It can save about 20% of the costs.
Co-Founder at arpa
When I have done comparisons or cost calculations, I have sometimes personally seen as much as 25% to 30% savings.
Solutions Architect at CompuNet
The efficiency has increased significantly, and our workflows are consolidated into a single platform, thus reducing the operational overhead we previously faced.
SDE III at a tech vendor with 1,001-5,000 employees
The objective was to scale as data loads with high-performing query model responses.
Senior Software Engineer at Honeywell
I have seen a return on investment in terms of time saved.
Devops Engineer at a tech vendor with 51-200 employees
 

Customer Service

Sentiment score
6.7
Microsoft Azure Cosmos DB support receives mixed reviews, with praise for structure but criticism for response times and depth.
Sentiment score
7.9
SingleStore provides exceptional customer support with 24/7 availability, dedicated teams, and an intuitive interface, earning high satisfaction.
Premier Support has deteriorated compared to what it used to be, especially for small to medium-sized customers like ours.
Head of IT, Infrastructure, Operations & Applications Development at a manufacturing company with 201-500 employees
The response was quick.
Lead Cloud Architect at Solliance, Inc
I would rate customer service and support a nine out of ten.
Director | Data & AI at a tech services company with 11-50 employees
The customer support is very proactive and responsive twenty-four hours per day, seven days per week.
Senior Software Engineer at Honeywell
Their team is capable of resolving issues efficiently, allowing users to create tickets and receive support.
Devops Engineer at a tech vendor with 51-200 employees
We have our own account manager who keeps us informed of the latest solutions and improvements in the system.
Vice President, Research & Development at a computer software company with 11-50 employees
 

Scalability Issues

Sentiment score
7.7
Microsoft Azure Cosmos DB offers seamless scalability and efficient global data management, optimizing performance with minimal manual intervention.
Sentiment score
7.9
SingleStore efficiently scales with minimal downtime, supporting both vertical and horizontal scaling, and handles increased data loads effectively.
The system scales up capacity when needed and scales down when not in use, preventing unnecessary expenses.
Associate Software Architect at a tech vendor with 51-200 employees
We like that it can auto-scale to demand, ensuring we only pay for what we use.
CTO at Stellium Consulting
We have had no issues with its ability to search through large amounts of data.
Full Stack Software Developer at a tech vendor with 10,001+ employees
As our data volumes grow, we can expand resources without significant performance degradation.
SDE III at a tech vendor with 1,001-5,000 employees
SingleStore's scalability is really nice, as the process model includes master aggregator and slave aggregators or child aggregators, making it very well scalable both vertically and horizontally.
Vice President, Research & Development at a computer software company with 11-50 employees
I have added both storage and additional instances many times, and it worked perfectly.
Database Administrator at Twingo
 

Stability Issues

Sentiment score
7.6
Microsoft Azure Cosmos DB is praised for reliability, availability, and scalability, with occasional lag mainly due to external factors.
Sentiment score
8.3
SingleStore is highly rated for its stability, consistent uptime, effective workload handling, and reliability as a main database engine.
We have multiple availability zones, so nothing goes down.
Hands on user at a manufacturing company with 10,001+ employees
Azure Cosmos DB would be a good choice if you have to deploy your application in a limited time frame and you want to auto-scale the database across different applications.
Associate Data Analytics L1 at a computer software company with 10,001+ employees
I would rate it a ten out of ten in terms of availability and latency.
Azure Consultant at Deloitte
It handles large workloads and maintains consistent performance very well overall.
SDE III at a tech vendor with 1,001-5,000 employees
The performance and usability of SingleStore as a main database engine are significantly superior to other both paid and open-source solutions.
Vice President, Research & Development at a computer software company with 11-50 employees
I have not seen any downtime.
Senior Software Engineer at Honeywell
 

Room For Improvement

Users of Microsoft Azure Cosmos DB desire enhanced functionality, integration, cost management, and development tools for better enterprise use.
SingleStore needs improvements in data distribution, SQL features, documentation, integration, error handling, administration, monitoring, migration, and community support.
We must ensure data security remains the top priority.
Cloud Solutions Architect and Microsoft Principal Consultant for EMEA at a tech vendor with 10,001+ employees
You have to monitor the Request Units.
Co-Founder at arpa
The dashboard could include more detailed RU descriptions, IOPS, and compute metrics.
Architecte Cloud at Visiativ SA
Error handling needs attention. When it fails due to memory, it only indicates that but not exactly in which process it failed.
Senior Software Engineer at Honeywell
The data which is sent to DataDog sometimes does not match with the SingleStore dashboard.
Devops Engineer at a tech vendor with 51-200 employees
Better documentation for advanced use cases, especially where data volumes are very high and queries are frequent, would help us manage the feature more efficiently.
SDE III at a tech vendor with 1,001-5,000 employees
 

Setup Cost

Azure Cosmos DB's pricing varies with usage and demand, offering flexible options but can appear costly for complex operations.
SingleStore offers transparent pricing with cloud and on-premises options, though costs vary; free trials are available for exploration.
Initially, it seemed like an expensive way to manage a NoSQL data store, but so many improvements that have been made to the platform have made it cost-effective.
Lead Cloud Architect at Solliance, Inc
Cosmos DB is expensive, and the RU-based pricing model is confusing.
IT Data Architect & Manager at Ternium Mexico S.A. de C.V.
Cosmos DB is great compared to other databases because we can reduce the cost while doing the same things.
Lead Software Architect at CPower
My experience with pricing, setup cost, and licensing is that it can be a bit expensive for startups.
Senior Software Engineer at Honeywell
The setup cost was surprisingly good, and our transfer to Helios was almost seamless, as far as databases go, and it was not expensive.
Vice President, Research & Development at a computer software company with 11-50 employees
 

Valuable Features

Microsoft Azure Cosmos DB offers scalability, global distribution, and seamless integrations, with features like autoscaling, JSON storage, and security.
SingleStore offers fast, scalable data handling with resilience, supporting complex operations and improving productivity through integration and ease of use.
The most valuable feature of Microsoft Azure Cosmos DB is its real-time analytics capabilities, which allow for turnaround times in milliseconds.
Vice President, Machine Learning at a healthcare company with 10,001+ employees
Performance and security are valuable features, particularly when using Cosmos DB for MongoDB emulation and NoSQL.
IT Data Architect & Manager at Ternium Mexico S.A. de C.V.
The performance and scaling capabilities of Cosmos DB are excellent, allowing it to handle large workloads compared to other services such as Azure AI Search.
CTO at Stellium Consulting
SingleStore has impacted my organization positively by enabling us to run low-latency analytics and model-driven use cases at scale, which is quite difficult for OLAP and OLTP databases alone.
Senior Software Engineer at Honeywell
A very nice and useful feature is its compatibility with MySQL API, letting any system that can connect to MySQL also connect to SingleStore, thus solving many interoperability issues with different systems.
Vice President, Research & Development at a computer software company with 11-50 employees
SingleStore is a distributed database that has the advantage that at any moment when resources are insufficient, there is a possibility to add more nodes, and everything is added online.
Database Administrator at Twingo
 

Categories and Ranking

Microsoft Azure Cosmos DB
Ranking in Database as a Service (DBaaS)
3rd
Ranking in Vector Databases
1st
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
111
Ranking in other categories
NoSQL Databases (1st), Managed NoSQL Databases (1st)
SingleStore
Ranking in Database as a Service (DBaaS)
9th
Ranking in Vector Databases
10th
Average Rating
8.8
Reviews Sentiment
7.1
Number of Reviews
11
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of September 2026, in the Database as a Service (DBaaS) category, the mindshare of Microsoft Azure Cosmos DB is 4.9%, up from 3.1% compared to the previous year. The mindshare of SingleStore is 3.7%, up from 2.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Database as a Service (DBaaS) Mindshare Distribution
ProductMindshare (%)
Microsoft Azure Cosmos DB4.9%
SingleStore3.7%
Other91.4%
Database as a Service (DBaaS)
 

Featured Reviews

Michael Hasenfang - PeerSpot reviewer
Director, Platform Engineering - Infrastructure Systems and Automation at a computer software company with 1,001-5,000 employees
Collecting compliance data has become more efficient while managing unstructured inputs for reporting
The features that I find most valuable within Microsoft Azure Cosmos DB are probably the cost, as the cost optimization is good. The storage and queryability are good for what we're doing; it's a lot of unstructured data, so having a platform to put that in and then be able to harvest that data out for the reporting we do is essential. In terms of cost saving, it was probably easily 30 to 40% cheaper than doing a standard SQL, which is what we saw just on piloting and getting in there. We were initially thinking 20 to 25%, but we were probably more at the 35 to 40%. We are using Microsoft Azure Cosmos DB's hybrid search today. The value that it has added to my AI or search workloads is that I think it's optimized that process and made it easier. We have a lot of unstructured data coming from different dissimilar systems and different data sources, so correlating those things together and making sense of it has been very beneficial. Microsoft Azure Cosmos DB has had pretty good performance with searching through large amounts of data; it's been fast, and we haven't seen a lot of performance degradation while building larger queries and bringing in a large set of data. The dynamic auto-scale or serverless model from Microsoft Azure Cosmos DB has helped reduce costs and operational effort; however, it's hard to quantify how that plays out since you're using a shared service. It shifts my focus away from building, managing, and upgrading to adding value.
Kelvin  Ben - PeerSpot reviewer
Senior Software Engineer at Honeywell
Real-time analytics has transformed daily decisions and delivers fast dashboards from streaming data
The best features SingleStore offers include fast data recovery and data compression by 80 percent. Having the information in sheets helps me to process the information quickly. Simplicity in T-SQL is another aspect I appreciate. Data recovery and sheet-based processing help my team on a day-to-day basis by enabling us to handle information efficiently. I would like to add that the data compression by 80 percent helps us in an excellent way since we are very fast in obtaining the data for our dashboards and the compression of the information is great. SingleStore has impacted my organization positively by enabling us to run low-latency analytics and model-driven use cases at scale, which is quite difficult for OLAP and OLTP databases alone. It has been very helpful because our internal clients are happy to have the data and make data-driven decisions easily. Making decisions based on data within a two-hour delay to the transactional database is excellent since we went from twenty-four hours to two hours. I think the best contribution is decision-making with data that is close to reality. Reducing that delay from twenty-four hours to two hours has significantly affected my team and business outcomes by increasing productivity. We have been able to serve all our customers, and they are very happy. We can deliver to them on time.
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Top Industries

By visitors reading reviews
Financial Services Firm
11%
Legal Firm
10%
Outsourcing Company
9%
Manufacturing Company
7%
Financial Services Firm
27%
Comms Service Provider
9%
Computer Software Company
8%
Outsourcing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business34
Midsize Enterprise24
Large Enterprise58
By reviewers
Company SizeCount
Small Business7
Large Enterprise5
 

Questions from the Community

What is your experience regarding pricing and costs for Microsoft Azure Cosmos DB?
Microsoft Azure Cosmos DB's pricing model has aligned with my budget expectations because I can tune the RU as I need to, which helps a lot. Microsoft Azure Cosmos DB's dynamic auto-scale or server...
What needs improvement with Microsoft Azure Cosmos DB?
I would see improvements in Microsoft Azure Cosmos DB, particularly concerning integration with more tiers. They should integrate products like IBM Watson for analytics and offer more options for e...
What is your primary use case for Microsoft Azure Cosmos DB?
I have worked with databases like Azure SQL Database, Cosmos DB, and PostgreSQL. We had a migration where our customer wanted solutions like Microsoft Azure Cosmos DB, where they desired high avail...
What is your experience regarding pricing and costs for SingleStore DB?
The setup cost was surprisingly good, and our transfer to Helios was almost seamless, as far as databases go, and it was not expensive.
What needs improvement with SingleStore DB?
In my opinion, SingleStore could be improved, and we are talking about this directly with SingleStore. I have a relationship with their employees who are in California, and we are gradually improvi...
What is your primary use case for SingleStore DB?
The primary use case for SingleStore in my company is a project to migrate a large system from MS SQL to SingleStore. Specifically, I am currently migrating the data insert process from MS SQL Serv...
 

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
400+ customers including: 6sense, Adobe, Akamai, Ant Money, Arcules, CARFAX, Cigna, Cisco, Comcast, DELL, DBS Bank, Dentsu, DirectlyApply, EY, Factors.AI, Fathom Analytics, FirstEnergy, GE, Goldman Sachs, Heap, Hulu, IMAX, impact.com, Kroger, LG, LiveRamp, Lumana, Nvidia, OpenDialog, Outreach, Palo Alto Networks, PicPay, RBC, Samsung, SegMetrics, Siemens, SiteImprove, SiriusXM, SK Telecom, SKAI, SONY, STC, SunRun, TATA, Thorn, ZoomInfo.
Find out what your peers are saying about Microsoft Azure Cosmos DB vs. SingleStore and other solutions. Updated: September 2026.
912,006 professionals have used our research since 2012.