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Chroma vs PostgreSQL comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 5, 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

Chroma
Ranking in Vector Databases
11th
Average Rating
8.6
Reviews Sentiment
5.6
Number of Reviews
2
Ranking in other categories
No ranking in other categories
PostgreSQL
Ranking in Vector Databases
6th
Average Rating
8.4
Reviews Sentiment
7.4
Number of Reviews
127
Ranking in other categories
Open Source Databases (1st)
 

Mindshare comparison

As of May 2026, in the Vector Databases category, the mindshare of Chroma is 7.1%, down from 13.0% compared to the previous year. The mindshare of PostgreSQL is 7.9%, up from 4.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Vector Databases Mindshare Distribution
ProductMindshare (%)
PostgreSQL7.9%
Chroma7.1%
Other85.0%
Vector Databases
 

Featured Reviews

GagandeepSingh1 - PeerSpot reviewer
Data Science Manager at Zykrr
A simple and easy to use solution that can run on a two-course CPU
We collect customer's feedback, and then we present it to the clients It's very easy to set up and runs easily. It doesn't require great hardware and can run on a two-course CPU with four gigs. The hybrid algorithm needs improvement. I have been using Chroma for one year.  I had some trouble…
Shobhit Goel - PeerSpot reviewer
Data Science Architect at publicis Sapient
High-volume transactions have reduced failures and improve customer service efficiency
The best feature is performance, because of which I decided on PostgreSQL. I have also enabled the PG vector plugin on top of PostgreSQL. I have the opportunity to use two different features and two different flavors in a single product, which is the best thing about PostgreSQL. Initially, we had some hiccups around the performance part, but later we did indexing in PostgreSQL and now it is working very well. Even when we are doing 100,000 transactions in a day, PostgreSQL is working excellently. The interface is another best feature. If I need to do any query, I simply install the plugin on my local, which is pgAdmin. Through pgAdmin, I am able to communicate with PostgreSQL and execute all my SQL queries. I am getting a better UI with PostgreSQL as the backend, which is also one of the best options. PG vector is also very strong from PostgreSQL where I have implemented RAG and on a daily basis, I inject thousands of pages of PDF. More than 100 PDFs are coming into my system and one PDF is around 1,000 pages. We are injecting them into PostgreSQL and converting them into dimensions and inserting them into PG vector. The level of transactions we are doing on a daily basis is substantial, and we are getting very good throughput and low latency from PostgreSQL. When we were doing more than 50,000 transactions in a minute with the previous database, we were getting a lot of latency issues with threads getting blocked and abruptly closed unwantedly. After doing extensive research, we decided to move to PostgreSQL. Now, we are doing around 100,000 transactions in PostgreSQL and we are getting good throughput with no latency.

Quotes from Members

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

Pros

"It's very easy to set up and runs easily."
"The solution's most valuable feature is its documentation, which allows new users to easily learn, deploy, and use it."
"It is easy to use."
"As PostgreSQL is free, this enables us to develop applications without having to think about budgets, and give us greater flexibility."
"PostgreSQL is free, so great ROI!"
"PostgreSQL's feature set was excellent for our needs, and we didn't want an expensive (meaning hardware utilization) RDBMS."
"We often use PostgreSQL for operations monitoring because we are a manufacturing company."
"I worked for years on Oracle, and I decided to move on PostgreSQL because I think it is a first class product."
"I would say that the combination of PostgreSQL's features, plus the reliability and performance it offers in combination with the fact that you don't pay for a license was the reason I chose it."
"It is, also in our experience, the best open source GIS enabled database, with good support from other open-source tools."
 

Cons

"I think Chroma doesn't have a ready-made containerized image available."
"The hybrid algorithm needs improvement."
"There are some products out there that have a slightly different method of implementation for the SQL language. Some of those are slightly better in some areas, and PostgreSQL is slightly better in some areas. I would probably like to match all of those products together. It is just down to the functionality. For example, Oracle has a number of options within SQL that are outside of what you would class as the SQL standard. PostgreSQL misses some of those, but PostgreSQL does other things that are better than what Oracle does. I would like to merge those two products so that there is a certain amount of functionality in a single product."
"The solution could improve the integration."
"I have noticed that user and access management should be improved."
"Improved support for parallel query execution Merge Joins Improved Handling of Materialized Views"
"The only thing I would really want/need to improve is pgAdmin3."
"You can't do that with PostgreSQL. It has more of a learning curve."
"PostgreSQL doesn't have a feature for temporal SQL, which is useful for selecting versions of a row."
"They need to have a better graphical interface. There is a tool called pgAdmin 4 that they use, which is free. It is written in Java, and it is slow. They need to have a better product that is similar to Toad for Oracle, but, of course, it is hard to get something that's really great and free. Other than that, it is great."
 

Pricing and Cost Advice

"The current version is an open-source."
"We are using the free version of PostgreSQL."
"Our company pays for it. There are free versions available, but for advanced features, you obviously have to pay."
"We do not pay for licensing."
"This solution can offer a cheaper choice for customers since it is open-source."
"It is free. There is no license on it."
"It is open source. There is no licensing."
"It is free. In terms of operating costs, it basically needs the same platform on which Oracle runs."
"It is an open-source platform."
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Top Industries

By visitors reading reviews
Financial Services Firm
11%
Computer Software Company
10%
Manufacturing Company
9%
Government
8%
Financial Services Firm
11%
Computer Software Company
11%
Comms Service Provider
10%
Manufacturing Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business57
Midsize Enterprise27
Large Enterprise47
 

Questions from the Community

What do you like most about Chroma?
The solution's most valuable feature is its documentation, which allows new users to easily learn, deploy, and use it.
What needs improvement with Chroma?
The hybrid algorithm needs improvement.
What is your primary use case for Chroma?
We collect customer's feedback, and then we present it to the clients.
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?
I purchased from the marketplace, so licensing and pricing cost is acceptable. To be honest, there is a separate team who handles the cost of licensing everything. I have admin access on Azure and ...
 

Comparisons

 

Overview

 

Sample Customers

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Find out what your peers are saying about Chroma vs. PostgreSQL and other solutions. Updated: April 2026.
893,221 professionals have used our research since 2012.