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Faiss vs MySQL comparison

Meta and Oracle are both solutions in the Open Source Databases category. Meta is ranked #12 with an average rating of 8.0, while Oracle is ranked #1 with an average rating of 8.2. Meta holds a 3.7% mindshare in OSD, compared to Oracle’s 9.2% mindshare. Additionally, 100% of Meta users are willing to recommend the solution, compared to 91% of Oracle users who would recommend it.
Faiss
Read 3 Faiss reviews
  • 3,536 Views
  • 1,591 Comparison Views
100% willing to recommend
MySQL
Read 150 MySQL reviews
  • 9,581 Views
  • 5,461 Comparison Views
91% willing to recommend
 

Comparison Buyer's Guide

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Executive SummaryUpdated on Jan 23, 2025

MySQL and Faiss cater to different needs in technology infrastructure, with MySQL focusing on database management and Faiss on similarity search and clustering. MySQL has the upper hand in structured data management, while Faiss leads in fast vector-based searches.

Features: MySQL is known for ACID-compliance, robust indexing, and security, essential for structured data applications. It supports SQL queries and transaction processing. Faiss excels in swift similarity searches and machine learning on large datasets, providing high-dimensional nearest neighbor search capabilities, suitable for AI environments.

Ease of Deployment and Customer Service: MySQL offers comprehensive documentation and community support for straightforward deployment, assisted by numerous online resources. Faiss requires a deeper understanding of machine learning for effective deployment, lacking the extensive customer support seen with MySQL. Nonetheless, it remains a potent solution for knowledgeable users.

Pricing and ROI: MySQL, as an open-source solution, presents low initial costs and a high ROI, supported by its community-driven features. Faiss, also open-source, involves no direct software costs, but requires investment in expertise and infrastructure. Its ROI is contingent on its integration in AI-focused projects.

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Buyer's Guide
Faiss vs. MySQL
September 2025
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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

Faiss
Ranking in Open Source Databases
12th
Average Rating
8.0
Reviews Sentiment
3.3
Number of Reviews
3
Ranking in other categories
Vector Databases (5th)
MySQL
Ranking in Open Source Databases
1st
Average Rating
8.2
Reviews Sentiment
7.4
Number of Reviews
150
Ranking in other categories
Relational Databases Tools (5th)
 

Mindshare comparison

As of September 2025, in the Open Source Databases category, the mindshare of Faiss is 3.7%, down from 4.3% compared to the previous year. The mindshare of MySQL is 9.2%, down from 15.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Open Source Databases Market Share Distribution
ProductMarket Share (%)
MySQL9.2%
Faiss3.7%
Other87.1%
Open Source Databases
 

Featured Reviews

Kalindu Sekarage - PeerSpot reviewer
Integration improves accuracy and supports token-level embedding
The best features FAISS offers for my team include seamless integration with Colbert and the ability to use FAISS via the Ragatouille framework, which is tailor-made for using the Colbert model. Feature-wise, FAISS allows for more accurate result retrieval, and retrieval speed is also good when comparing the index size. Regarding features, I also emphasize that the usability of FAISS is very seamless, particularly its integration with Colbert and Ragatouille. FAISS has positively impacted my organization by helping us increase the accuracy of retrieval documents; when we store documents in token-level embedding, the accuracy will be high. Additionally, we do not need any external server to host FAISS, allowing us to integrate it with our backend framework, making it a very flexible framework.
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Prabir Kumar Kundu - PeerSpot reviewer
Offers robust security and availability with impressive replication capabilities
Regarding their documentation and interface, there is room for improvement. Documentation is definitely required when running multiple databases on a cluster system. The load balancer, MySQL LB, which is used to connect to the application, lacks clear documentation. When there are multiple application servers connecting to the MySQL cluster and going through the MySQL load balancer, the documentation is not user-friendly. It's there, but only technical persons with deep knowledge of the MySQL database can implement it. Most of the community users or ISVs who use MySQL don't have many technical persons or DBA experts, so they face some challenges for the high availability of connecting high available databases from high available applications. That documentation should be simplified.
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Quotes from Members

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

Pros

"I used Faiss as a basic database."
"The product has better performance and stability compared to one of its competitors."
"I find MySQL's relational data storage format very useful for data management. Our structure is well-defined and easy for end users and business stakeholders to read. I appreciate the tool's simplicity and ability to integrate with our backend tools."
"The IO segregation in CGE is valuable."
"The easy access to the data and the ability to sort the data with multiple methods are very valuable features."
"Like other databases, it has a rich set of functions, such as stored procedures and its own procedural language, which is akin to Oracle SQL. It also has trigger and cursor commands you would expect with a good database language."
"The solution is very simple. It's easy to use. That's the most important feature."
"We use it as a data store and from that perspective, we get everything we need."
"The most valuable feature of MySQL is auto-scaling."
"It is easy to use. It is simple to implement, which makes it suitable for our projects because we have deadlines. MySQL is also open-source, which is another plus point."
More MySQL pros
 

Cons

"It could be more accessible for handling larger data sets."
"One of the drawbacks of Faiss is that it works only in-memory. If it could provide separate persistent storage without relying on in-memory, it would reduce the overhead."
"It would be beneficial if I could set a parameter and see different query mechanisms being run."
"MySQL doesn't have the auto-clustering and database clustering features that other competitors provide. They can include these features."
"The GUI could improve to make MySQL better."
"Improvements to MySQL depend on the specific use case. For example, in my scenario, I frequently need to maintain and store data, which can then be utilized to generate reports. On the other hand, others may suggest incorporating a feature that allows for easier visualization of the data, such as what is available in Power BI or other similar tools."
"Documentation is definitely required when running multiple databases on a cluster system."
"I would like to improve the solution’s pricing for licenses."
"The manuals or documentation could be better."
"The full-text search feature must be improved."
"I would rate the stability a seven out of ten. It does break down a little at times."
More MySQL cons
 

Pricing and Cost Advice

"Faiss is an open-source solution."
"It is an open-source tool."
"It is open-source."
"The pricing falls within the moderate range."
"We pay a yearly subscription fee."
"There is no cost involved, no licensing fees."
"​Enterprise editions and support are definitely needed for the heavy users who need direct support. ​"
"MySQL Enterprise Support is not cheap, though might still be cheaper than Oracle or SQL Server. They may not have local support depending on where you’re based, but there are many smaller agencies out there that will readily provide support. You’ll need to spend some time looking around."
"We are using the free community version of the solution."
"I am not paying, but I am not sure about the exact licensing requirements."
More MySQL pricing and cost advice
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Top Industries

By visitors reading reviews
Computer Software Company
18%
Financial Services Firm
14%
Manufacturing Company
8%
Educational Organization
8%
Computer Software Company
14%
Financial Services Firm
10%
Manufacturing Company
7%
Government
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business73
Midsize Enterprise31
Large Enterprise61
 

Questions from the Community

What do you like most about Faiss?
I used Faiss as a basic database.
See all answers
What is your experience regarding pricing and costs for Faiss?
I did not purchase FAISS through the AWS Marketplace because FAISS is an open-source product. My experience with pricing, setup cost, and licensing is straightforward, as there is no cost for acqui...
See all answers
What needs improvement with Faiss?
I currently do not think there is anything to be improved based on our experience, as Faiss performs as we expected for our workflow. I would like to see improvement in the fact that FAISS currentl...
See all answers
Why are MySQL connections encrypted and what is the biggest benefit of this?
MySQL encrypts connections to protect your data and the biggest benefit from this is that nobody can corrupt it. If you move information over a network without encryption, you are endangering it, m...
See all answers
Considering that there is a free version of MySQL, would you invest in one of the paid editions?
I may be considered a MySQL veteran since I have been using it since before Oracle bought it and created paid versions. So back in my day, it was all free, it was open-source and the best among sim...
See all answers
What is one thing you would improve with MySQL?
One thing I would improve related to MySQL is not within the product itself, but with the guides to it. Before, when it was free, everyone was on their own, seeking tutorials and how-to videos onli...
See all answers
 

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Compared 14% of the time
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Compared 8% of the time
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Compared 6% of the time
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Product Reports

Buyer's Guide
Open Source Databases
August 2025
Faiss reportDownload Faiss product report
Buyer's Guide
MySQL
August 2025
MySQL reportDownload MySQL product report
 

Overview

Faiss is a powerful library for efficient similarity search and nearest neighbor retrieval in large-scale datasets. It is widely used in image and text processing, recommendation systems, and natural language processing. 

Users appreciate its speed, scalability, and ability to handle high-dimensional data effectively. Faiss also offers easy integration and extensive support for different programming languages. 

Its valuable features include efficient search capabilities, support for large-scale datasets, various similarity measures, easy integration, and comprehensive documentation and community support.

Meta

MySQL is an open-source database known for its ease of use and high performance. It offers features like replication and clustering, making it ideal for diverse applications. Its cost-effectiveness and LAMP integration are key advantages for businesses.

MySQL supports a variety of languages and platforms, providing reliable, scalable data management. Its graphical interface and LAMP architecture integration enhance its usability, while community support further strengthens its appeal. Challenges include scalability issues with large databases, lack of advanced clustering, and limited high-availability features. Complex queries may affect performance, and integration can pose difficulties. The outdated interface and insufficient documentation are also concerns, along with replication and backup reliability issues.

What are MySQL's key features?
  • Open-source nature: Freely available and customizable.
  • Cross-platform compatibility: Supports multiple operating systems.
  • Scalability: Capable of handling large volumes of data.
  • Replication and clustering: Ensure data redundancy and load balancing.
  • Full-text search: Provides powerful search capabilities.
  • LAMP integration: Seamlessly integrates with Linux, Apache, and PHP.
What benefits should users consider?
  • Cost-effectiveness: Reduces expenses due to its open-source nature.
  • High performance: Efficiently processes large volumes of data.
  • Active community support: Access to a wide range of resources and expertise.
  • Versatile use cases: Suitable for varied applications including web development and IoT.

MySQL is widely implemented in industries such as web development, e-commerce, and finance. It's used for managing dynamic websites, powering e-commerce platforms, and supporting financial applications. Its compatibility with PHP and cost-effectiveness make it suitable for CMS platforms like WordPress. With cloud services integration, MySQL is a backend choice for scalable applications in various sectors.

Oracle
 

Sample Customers

1. Facebook 2. Airbnb 3. Pinterest 4. Twitter 5. Microsoft 6. Uber 7. LinkedIn 8. Netflix 9. Spotify 10. Adobe 11. eBay 12. Dropbox 13. Yelp 14. Salesforce 15. IBM 16. Intel 17. Nvidia 18. Qualcomm 19. Samsung 20. Sony 21. Tencent 22. Alibaba 23. Baidu 24. JD.com 25. Rakuten 26. Zillow 27. Booking.com 28. Expedia 29. TripAdvisor 30. Rakuten 31. Rakuten Viber 32. Rakuten Ichiba
Facebook, Tumblr, Scholastic, MTV Networks, Wikipedia, Verizon Wireless, Sage Group, Glassfish Open Message Queue, and RightNow Technologies.
Buyer's Guide
Faiss vs. MySQL
September 2025
Free Report: Faiss vs. MySQL
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