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Faiss vs Firebird SQL comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jan 23, 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

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)
Firebird SQL
Ranking in Open Source Databases
3rd
Average Rating
7.8
Reviews Sentiment
7.4
Number of Reviews
15
Ranking in other categories
Embedded Database (4th)
 

Mindshare comparison

As of October 2025, in the Open Source Databases category, the mindshare of Faiss is 3.6%, down from 4.6% compared to the previous year. The mindshare of Firebird SQL is 15.2%, down from 20.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Open Source Databases Market Share Distribution
ProductMarket Share (%)
Firebird SQL15.2%
Faiss3.6%
Other81.2%
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.
Ruben Conti - PeerSpot reviewer
Offers good performance for up to a hundred end users, open source and easy to setup
Firebird can compete with well-known names like Oracle and SQL Server when you don't have more than a few hundred thousand users. It's a level below SQL Server, and the application of SQL is a kind of database you can rely on for situations where you don't have too much information to deal with. For example, you can use it for the internet or national projects, but when you have millions of users, then it's not possible for other services.

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."
"The reliability and ease of management are very valuable."
"The most valuable feature of the solution is that it is reliable, offers good performance, and is easy to use."
"It helps us in detecting all kinds of problems in the code, such as bad quality, unclear code, or any violation in the code or best practices."
"The most valuable feature of Firebird SQL is the creation of databases."
"Firebird SQL is an open-source solution."
"I find the ease of deployment to be the most valuable aspect of this solution."
"The documentation is very well written."
"The product was easy to use."
 

Cons

"It could be more accessible for handling larger data sets."
"It would be beneficial if I could set a parameter and see different query mechanisms being run."
"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."
"This solution isn't very user-friendly, or intuitive, which could be improved when it is developed."
"The security of the users could improve in Firebird SQL."
"On large databases, we have some difficulties."
"The solution could improve by providing partitioning and encryption. It is not at the higher level of database solution but it could be with some upgrades."
"It is not easy to integrate the tool with Visual Studio."
"In the next release, it should support JSON, XML, and replication with third-party tools."
"The main feature I expect is to be able to work with different databases at the same time because that's a wishlist item for me."
"I don't think the solution is very scalable, because the scalability of the performance when using more than one process is not very good."
 

Pricing and Cost Advice

"Faiss is an open-source solution."
"It is an open-source tool."
"It is a public domain system as every customer can install it on their system without paying any license fee."
"The tool is open source."
"I was using the free version of Firebird SQL."
"It's open-source and free."
"It is okay."
"The most valuable feature of the solution is that it is freely available."
"We are using the free solution, so there is no cost involved."
"There is no licensing cost for this solution, as it is open-source."
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Top Industries

By visitors reading reviews
Computer Software Company
16%
Financial Services Firm
14%
Manufacturing Company
9%
Educational Organization
8%
Computer Software Company
17%
Comms Service Provider
11%
Manufacturing Company
9%
Financial Services Firm
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business11
Midsize Enterprise3
 

Questions from the Community

What do you like most about Faiss?
I used Faiss as a basic database.
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...
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...
How does Firebird SQL compare with PostgreSQL?
PostgreSQL was designed in a way that provides you with not only a high degree of flexibility but also offers you a cheap and easy-to-use solution. It gives you the ability to redesign and audit yo...
What do you like most about Firebird SQL?
Firebird SQL is an open-source solution.
 

Comparisons

 

Overview

 

Sample Customers

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Elekt Labs, Streamsoft, wobe-systems GmbH, DRB Systems, Moscow City Hospital #31
Find out what your peers are saying about Faiss vs. Firebird SQL and other solutions. Updated: September 2025.
869,566 professionals have used our research since 2012.