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EDB Postgres Advanced Server vs Faiss 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

EDB Postgres Advanced Server
Ranking in Open Source Databases
8th
Average Rating
8.0
Reviews Sentiment
7.7
Number of Reviews
10
Ranking in other categories
No ranking in other categories
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 (5th)
 

Mindshare comparison

As of August 2025, in the Open Source Databases category, the mindshare of EDB Postgres Advanced Server is 2.6%, down from 4.5% compared to the previous year. The mindshare of Faiss is 3.8%, down from 3.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Open Source Databases
 

Featured Reviews

Laksiri Bala - PeerSpot reviewer
Enhancing database learning with AI features and Oracle compatibility but needs performance improvements
I am a lecturer, and in universities, we use EDB Postgres Advanced Server to start with databases for practical purposes. I also assist with migrations, especially when clients want to migrate from Oracle to Postgres. So, while I am not a regular user, I am involved during migrations Since the…
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.

Quotes from Members

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

Pros

"Postgres is highly compatible with many software and programming languages. Its compatibility is excellent, covering nearly everything related to data engineering or migration."
"The product is user-friendly."
"The number of indices available in Postgres is remarkable."
"The low cost and functionality allows us to save money on smaller database projects."
"It gives us a solid, less expensive alternative to deploying with Oracle."
"The feature of vector database management for AI is quite interesting and impactful."
"I like that EDB Postgres Advanced Server scales well. A valuable feature of the solution is multi-tenancy support. It also supports JSONB."
"I rate EDB Postgres Advanced Server's stability an eight out of ten."
"The product has better performance and stability compared to one of its competitors."
"I used Faiss as a basic database."
 

Cons

"An area for improvement in EDB Postgres Advanced Server is JSONB querying. It would be nice to have even stronger JSONB support from the solution."
"There aren't specific new features we wish to add."
"I have faced performance issues in the community edition."
"I would like to see improvements in the performance, especially in large-scale operations, as it currently cannot match Oracle's performance."
"The product currently fails to offer a mobile application."
"The security is not very robust and the product would be much more useful with more security options."
"The system is aging and not keeping up with the performance of new, enhanced database models."
"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."
 

Pricing and Cost Advice

"Pricing is significantly lower than competing products."
"I have been working on the community edition."
"EDB Postgres Advanced Server is open source, so I don't pay for licensing."
"It is an open-source product."
"The product is either free with community support or very inexpensive with a small yearly fee for paid support."
"It is an open-source tool."
"Faiss is an open-source solution."
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Top Industries

By visitors reading reviews
Financial Services Firm
15%
Computer Software Company
14%
Manufacturing Company
7%
Retailer
6%
Computer Software Company
18%
Financial Services Firm
14%
Manufacturing Company
8%
University
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What do you like most about EDB Postgres Advanced Server?
I rate EDB Postgres Advanced Server's stability an eight out of ten.
What is your experience regarding pricing and costs for EDB Postgres Advanced Server?
EDB Postgres Advanced Server offers both processor-based and user-based licensing options. The cost is reasonable, particularly for middle and lower-tier customers, but there are hiccups when deali...
What needs improvement with EDB Postgres Advanced Server?
It was challenging to think of improvements for Postgres. We did not choose to extend or add new features to Postgres since it already meets our needs so well. There aren't specific new features we...
What do you like most about Faiss?
I used Faiss as a basic database.
What needs improvement with Faiss?
I didn't know what algorithm was being learned to fetch my query. It would be beneficial if I could set a parameter and see different query mechanisms being run. I can then compare the results to s...
 

Comparisons

 

Overview

 

Sample Customers

Ericsson, Clear Capital, PinkRoccade, ABN Amro, WholeWorldBand, Van Genechten, Gallinat-Bank AG, Mariner, coresystems, Aquent, Contegix, AQA, Genscape, InMobi
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Find out what your peers are saying about EDB Postgres Advanced Server vs. Faiss and other solutions. Updated: July 2025.
865,384 professionals have used our research since 2012.