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Chroma vs PostgreSQL comparison

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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
17th
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
7th
Average Rating
8.4
Reviews Sentiment
7.4
Number of Reviews
128
Ranking in other categories
Open Source Databases (1st)
 

Mindshare comparison

As of September 2026, in the Vector Databases category, the mindshare of Chroma is 5.9%, down from 11.3% compared to the previous year. The mindshare of PostgreSQL is 9.1%, up from 5.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Vector Databases Mindshare Distribution
ProductMindshare (%)
PostgreSQL9.1%
Chroma5.9%
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."
"The community support and the open-source community for it are good."
"It is easy to use."
"Overall, the solution is very good. The solution is free to use. It is easy to use and quite stable."
"The solution is open-source and free to use."
"PostgreSQL is the only open source and multi-functional database solution out in the market today."
"The performance is good."
"PostgreSQL is for personal use, e.g. I've been using it for my applications."
"The solution is stable; there are no bugs or glitches, it doesn't crash or freeze, it's reliable, and the performance is excellent."
 

Cons

"I think Chroma doesn't have a ready-made containerized image available."
"The hybrid algorithm needs improvement."
"In development it’s super sensitive with comma, quotations, and letter cases; if we use uppercase sometimes it works and sometimes not, and it needs to be single quote sometimes but sometimes double quote."
"The pricing could be better."
"Improved support for parallel query execution Merge Joins Improved Handling of Materialized Views"
"Instead of the installation agent downloading all the packages for the install, it should allow the user to download the packages separately on their own to do the install."
"They need to work towards making it work better in a cloud environment."
"Slow count. As the number of rows exceed a couple million, the count query and queries which get to the depth of the data (like FTS) start taking too much time even with all the right indexes in place."
"This extension hasn’t been updated in several releases and would benefit from an overhaul."
"When you get a large number of records in a database and start doing various queries, it can adversely impact the performance of the live running systems. That's an area we continue to look at and mean to improve, but it is not only because of PostgreSQL. It is also because of the way the schemas are put together, and certain events are triggered. So, it is because of both parties."
 

Pricing and Cost Advice

"The current version is an open-source."
"The tool is cheaply priced compared to other RDBMS providers in the market."
"It is an open-source platform."
"Our company pays for it. There are free versions available, but for advanced features, you obviously have to pay."
"The community version of Postgre is basically free."
"PostgreSQL is open-source, so if capable admins are available then the setup cost can be $0."
"PostgreSQL is a free and open-source database."
"We are using the free version of PostgreSQL."
"It is free. There is no license on it."
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Top Industries

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

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business58
Midsize Enterprise26
Large Enterprise49
 

Questions from the Community

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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 am not directly involved in the licensing or procurement decisions, so I cannot comment in detail on the price. From an engineering perspective, PostgreSQL is cost-efficient because it is open so...
What needs improvement with PostgreSQL?
While improving reliability, I have noticed that the limitations in PostgreSQL can be complex. For large-scale deployments, configuration, performance tuning, and related tasks can be complex and i...
 

Comparisons

 

Overview

 

Sample Customers

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Find out what your peers are saying about Chroma vs. PostgreSQL and other solutions. Updated: August 2026.
913,806 professionals have used our research since 2012.