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Chroma vs PostgreSQL comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jun 3, 2026

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
14th
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
8th
Average Rating
8.4
Reviews Sentiment
7.4
Number of Reviews
127
Ranking in other categories
Open Source Databases (2nd)
 

Mindshare comparison

As of June 2026, in the Vector Databases category, the mindshare of Chroma is 6.7%, down from 12.5% compared to the previous year. The mindshare of PostgreSQL is 8.6%, up from 5.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Vector Databases Mindshare Distribution
ProductMindshare (%)
PostgreSQL8.6%
Chroma6.7%
Other84.7%
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

"The solution's most valuable feature is its documentation, which allows new users to easily learn, deploy, and use it."
"It's very easy to set up and runs easily."
"PostgreSQL gives you much more flexibility because it's open source."
"There was an immediate return-on-investment of 100%."
"We switch to this solution due to its stability and that it is open source."
"This is a very good product, and I'm very pleased, especially with the latest versions."
"If you have PostgreSQL expertise you can run your business off PostgreSQL."
"You will definitely be amazed by the SQL features and extensibility."
"The solution is quite stable."
"The most valuable features are the price, stability, it is scalable and is used by our clients in small business environments, and it is a simple product to use."
 

Cons

"The hybrid algorithm needs improvement."
"I think Chroma doesn't have a ready-made containerized image available."
"A better export facility which is GUI friendly would be an improvement."
"There is no tech support, however there is a lot of information available in forums or sites like serverfault.com."
"I find it difficult to get connectors on the tool. For example, .NET has only one free provider in PostgreSQL. I need to pay the provider if I need something more sophisticated features. Other languages like PHP and Java have good community support. We need community support for .NET."
"Logical replication would be a major improvement and it's already being worked on."
"I believe that drivers must be better."
"In fact, this could be a risk, because heavily loaded production environments usually needs DBA monitoring and intervention."
"Integration with other platforms could be improved."
"It could be improved by using parallelization. You want basically, distributed computing."
 

Pricing and Cost Advice

"The current version is an open-source."
"PostgreSQL is a free and open-source database."
"It is free. In terms of operating costs, it basically needs the same platform on which Oracle runs."
"It is open source. There is no licensing."
"The tool is cheaply priced compared to other RDBMS providers in the market."
"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."
"Affordable solution."
"We use the open-source version of PostgreSQL and not the enterprise edition."
"The need for our customers to pay for licences is contingent on their projects and budgets."
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Top Industries

By visitors reading reviews
Computer Software Company
11%
Financial Services Firm
11%
Manufacturing Company
10%
Comms Service Provider
8%
Financial Services Firm
12%
Computer Software Company
10%
Comms Service Provider
10%
Construction Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business57
Midsize Enterprise27
Large Enterprise48
 

Questions from the Community

Ask a question
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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 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 ...
What needs improvement with PostgreSQL?
The only thing for PG vector is if the dimension limit could be increased. Currently, the dimension limit is around 1,000 to 1,052. If I need to increase the dimension to 3,000 or 5,000, that optio...
 

Comparisons

 

Overview

 

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Find out what your peers are saying about Chroma vs. PostgreSQL and other solutions. Updated: April 2026.
900,644 professionals have used our research since 2012.