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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 very useful for both structured and unstructured data. You can store unstructured and structured data in PostgreSQL. It is easy to use. You can easily manage things through PostgreSQL Admin. It is cost-effective. Its on-premise version is free. It is agnostic of on-premise or cloud. You can install it on the cloud or on-premises. It is available with all clouds, and you can also install it on desktop or Windows Servers."
"It's improved security by allowing us to switch from an unsecure file-based database to a secure SQL database without license payments."
"It is easy to use."
"I like to work with a piece of software that is bug free and doesn't require to be launched in order that users will find a couple of bugs in the coming weeks and that the company has to fix it."
"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."
"It is a world class, performer, a scalable database that is free and open source."
"PostgreSQL has been very stable in my experience, handling concurrent requests reliably while maintaining data consistency with ACID transactions and accommodating concurrent users with strong data integrity, making it mature and widely used in production systems."
"PostgreSQL is a perfect database to be used by small to mid-sized companies."
 

Cons

"I think Chroma doesn't have a ready-made containerized image available."
"The hybrid algorithm needs improvement."
"Yes, as the database grows, one has to perform a full vacuum in order to continue to work on the database."
"We'd like to be able to start using JSON objects for easy code representation."
"I think that due to the lack of functionality for data warehousing, it is more suitable for operational information systems instead of BI systems."
"It could be easier to perform some fragmentation in the database."
"The database and applications can become very slow."
"PostgreSQL doesn't have a feature for temporal SQL, which is useful for gathering versions of data. This feature should be included in PostgreSQL. This feature is available in MariaDB, SQL Server, Oracle Database, and DB2."
"The user interface could be a bit better."
"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."
 

Pricing and Cost Advice

"The current version is an open-source."
"The need for our customers to pay for licences is contingent on their projects and budgets."
"We are using the free version of PostgreSQL."
"PostgreSQL is open-source, so if capable admins are available then the setup cost can be $0."
"The tool is cheaply priced compared to other RDBMS providers in the market."
"It is free. In terms of operating costs, it basically needs the same platform on which Oracle runs."
"Affordable solution."
"We do not pay for licensing."
"The solution requires a license."
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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.