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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 (2nd)
 

Mindshare comparison

As of November 2026, in the Vector Databases category, the mindshare of Chroma is 5.6%, down from 10.2% compared to the previous year. The mindshare of PostgreSQL is 8.7%, up from 5.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Vector Databases Mindshare Distribution
ProductMindshare (%)
PostgreSQL8.7%
Chroma5.6%
Other85.7%
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

"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."
"This database is highly reliable and offers excellent disaster recovery."
"It's quite scalable."
"Overall, I have only praise for the solution."
"The solution is stable; there are no bugs or glitches, it doesn't crash or freeze, it's reliable, and the performance is excellent."
"It is a very good RDBMS, and I'm quite happy with it."
"I recommend PostgreSQL without doubt because my experience of almost 20 years with this product has shown me that PostgreSQL has certain features that make it highly reliable: high scalability, robustness, available for multiple platforms, extensible with little effort and without additional cost, designed for high volume environments, easy to manage and extensive online support."
"It is a world class, performer, a scalable database that is free and open source."
"The database has excellent performance."
 

Cons

"I think Chroma doesn't have a ready-made containerized image available."
"The hybrid algorithm needs improvement."
"It could be easier to perform some fragmentation in the database."
"It needs better support for JSON and web services."
"I have noticed that user and access management should be improved."
"A better graphic user-interface would be nice to see."
"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."
"I have noticed that it consumes a lot of resources."
"They need to have a better graphical interface."
"I rate PostgreSQL as a nine out of ten and I choose to knock it down a point only because it could use a better graphic user-interface."
 

Pricing and Cost Advice

"The current version is an open-source."
"We do not pay for licensing."
"It is an open-source platform."
"The community version of Postgre is basically free."
"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 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."
"There is an annual license."
"We are using the free version of PostgreSQL."
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Top Industries

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

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business59
Midsize Enterprise26
Large Enterprise49
 

Questions from the Community

Ask a question
Earn 20 points
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

 

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Find out what your peers are saying about Chroma vs. PostgreSQL and other solutions. Updated: September 2026.
920,574 professionals have used our research since 2012.