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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
13th
Average Rating
8.0
Reviews Sentiment
3.3
Number of Reviews
3
Ranking in other categories
Vector Databases (13th)
Firebird SQL
Ranking in Open Source Databases
5th
Average Rating
7.8
Reviews Sentiment
7.4
Number of Reviews
15
Ranking in other categories
Embedded Database (4th)
 

Mindshare comparison

As of August 2026, in the Open Source Databases category, the mindshare of Faiss is 3.0%, down from 3.7% compared to the previous year. The mindshare of Firebird SQL is 9.6%, down from 16.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Open Source Databases Mindshare Distribution
ProductMindshare (%)
Firebird SQL9.6%
Faiss3.0%
Other87.4%
Open Source Databases
 

Featured Reviews

Kalindu Sekarage - PeerSpot reviewer
Senior Software Engineer
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.
SS
Research and Development Project Manager at Sixense Monitoring
Efficient data storage with reliable and easy management
We are working on monitoring software that involves making a lot of measurements with sensors. We store all the data in Firebird, which is why we use It primarily for data storage It's difficult to describe how it has improved our organization because we have been using Firebird for a very long…

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 can deploy it on Linux, Mac OS, and Windows — it's very easy."
"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."
"I like that we don't have to pay external fees to migrate this data. So, we are looking to relocate from Postgres or EDB."
"The solution has worked perfectly; I've never run into issues or had to reach out to technical support for troubleshooting."
"The documentation is very well written."
"The product was easy to use."
"We are happy with the event capabilities of Firebird SQL database. We can raise events from it and display them in our application."
"The solution is very useful for stock management."
 

Cons

"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."
"It could be more accessible for handling larger data sets."
"It would be nice to have a graphical user interface to handle the product."
"Technical support and performance could be better. We have some problems with this solution, but we don't know if the problem is with the database or the configuration. For example, sometimes, the users can't access the database."
"This solution isn't very user-friendly, or intuitive, which could be improved when it is developed."
"Firebird SQL's performance has slowed since Firebird SQL 3 or 3.5 versions, where they developed over-the-wire encryption."
"It would be interesting if they added functionality with redundancy, reputation, and variability."
"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."
"Database sharing is a capability that Firebird SQL lacks."
"I'd rate the solution five or six out of ten for the possibilities it has currently."
 

Pricing and Cost Advice

"It is an open-source tool."
"Faiss is an open-source solution."
"I was using the free version of Firebird SQL."
"There is a yearly maintenance fee for the use of the solution."
"It's open-source and free."
"There is no licensing cost for this solution, as it is open-source."
"Firebird SQL is an open-source solution, which means it is a free product."
"It is a public domain system as every customer can install it on their system without paying any license fee."
"We are using the free solution, so there is no cost involved."
"It is okay."
report
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Top Industries

By visitors reading reviews
Financial Services Firm
15%
Manufacturing Company
10%
Comms Service Provider
10%
Computer Software Company
8%
Comms Service Provider
14%
Manufacturing Company
10%
Computer Software Company
10%
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 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...
What is your primary use case for Faiss?
My main use case for FAISS is in a retrieval-augmented generation project using it with OpenAI, where we use FAISS to store our embeddings created by the Colbert model and for retrieval as well. In...
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 needs improvement with Firebird SQL?
We would like to improve the management of very large databases. We have databases up to three or four terabytes, and it's not so easy to manage such large databases.
What is your primary use case for Firebird SQL?
We are working on monitoring software that involves making a lot of measurements with sensors. We store all the data in Firebird, which is why we use It primarily for data storage.
 

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: August 2026.
909,725 professionals have used our research since 2012.