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Faiss vs PostgreSQL comparison

 

Comparison Buyer's Guide

Executive Summary

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
Ranking in Vector Databases
3rd
Average Rating
8.0
Number of Reviews
2
Ranking in other categories
No ranking in other categories
PostgreSQL
Ranking in Open Source Databases
2nd
Ranking in Vector Databases
9th
Average Rating
8.4
Reviews Sentiment
7.9
Number of Reviews
125
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of January 2025, in the Open Source Databases category, the mindshare of Faiss is 5.6%, up from 0.3% compared to the previous year. The mindshare of PostgreSQL is 20.4%, down from 23.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Open Source Databases
 

Featured Reviews

Vasu Bansal - PeerSpot reviewer
Provides quick query search and has a big database
I did not face any issues integrating Faiss with other tools. I would recommend the solution to other users. Faiss has facilitated my AI-driven project very well. I recommend that other users use it for their AI projects because it provides quick query search and has a big database. Overall, I rate the solution nine and a half out of ten.
AdityaSharma3 - PeerSpot reviewer
Transaction processes are fast and good replication capability
Use cases include querying data warehouses and databases to fetch data for clients already working on PostgreSQL.  We also use Postgres for building reports It's a transactional database, so we use Postgres for most of our reporting. That's where it's helping. The query speed is fast, and the…

Quotes from Members

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

Pros

"The product has better performance and stability compared to one of its competitors."
"I used Faiss as a basic database."
"We often use PostgreSQL for operations monitoring because we are a manufacturing company."
"The system can perform faster analysis by providing it with a lot of memory. Speed is crucial for analytics. Currently, the main reason we haven't adopted Elasticsearch is that we lack the necessary expertise to manage it."
"Postgres is rock solid when deployed according to best practices as documented by the PostgreSQL community. When it's installed correctly, PostgreSQL is an enterprise-grade solution."
"The most valuable feature is the performance."
"With the database, you can provide a multi-component at the same service with the same performance, scalability, or all those things."
"The product's deployment is easy."
"It's a transactional database, so we use Postgres for most of our reporting. That's where it's helping."
"The PostgreSQL database is similar to the SQL Server but has a slightly different technology that has similar resources as well. If the customer has the confidence using SQL Server, they will be fairly comfortable using this solution."
 

Cons

"It would be beneficial if I could set a parameter and see different query mechanisms being run."
"It could be more accessible for handling larger data sets."
"The solution could improve the integration."
"There are several features I would like to improve that aren't working as expected. It's likely that the latest version is doing something that was missed in the previous versions. For example, the output parameters — the stored procedures — is something new in PostgreSQL that Firebird has already had for a long time."
"Postgres should focus on building a stronger knowledge base. They also need to expand their integration capabilities, so more tools and resources are available to manage it."
"The solution needs to improve the query, documentation, and JSON data functionality."
"As PostgreSQL is an open-source product, you do have to do a bit more configuration and management yourself."
"The interface climate could be better."
"It could be improved by using parallelization. You want basically, distributed computing."
"It would be great if the solution offered even more integration capabilities."
 

Pricing and Cost Advice

"Faiss is an open-source solution."
"It is an open-source tool."
"PostgreSQL is a free and open-source database."
"It is also open-source so it is free."
"The solution requires a license."
"It is open source. There is no licensing."
"It is free, but if you need support, you can go for the commercial version called EnterpriseDB. They provide paid support, and they can even do hosting for you if you want standby and support."
"We are using the free version of PostgreSQL."
"The tool is cheaply priced compared to other RDBMS providers in the market."
"It could be much cheaper. If you would like to build an application on Amazon today, PostgreSQL is the standard database with Redshift. If you want other databases, you can add them, but PostgreSQL is the basis of everything. It's a question of money, that's it."
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Top Industries

By visitors reading reviews
Computer Software Company
19%
Financial Services Firm
14%
Manufacturing Company
9%
Educational Organization
8%
Computer Software Company
16%
Financial Services Firm
12%
Comms Service Provider
8%
Manufacturing Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

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...
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 PostgreSQL?
It's a transactional database, so we use Postgres for most of our reporting. That's where it's helping.
What is your experience regarding pricing and costs for PostgreSQL?
The tool is free of cost. For now, it's not about making money. But once we perfect it, we can offer it to customers willing to pay for support and other services. Most of my deployments are free.
 

Comparisons

 

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Overview

 

Sample Customers

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Find out what your peers are saying about Faiss vs. PostgreSQL and other solutions. Updated: January 2025.
831,020 professionals have used our research since 2012.