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Graylog vs LogRhythm SIEM comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Apr 20, 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

Graylog
Ranking in Log Management
16th
Average Rating
8.0
Reviews Sentiment
6.9
Number of Reviews
20
Ranking in other categories
No ranking in other categories
LogRhythm SIEM
Ranking in Log Management
11th
Average Rating
8.4
Reviews Sentiment
6.7
Number of Reviews
173
Ranking in other categories
Security Information and Event Management (SIEM) (7th)
 

Mindshare comparison

As of May 2025, in the Log Management category, the mindshare of Graylog is 6.7%, up from 5.8% compared to the previous year. The mindshare of LogRhythm SIEM is 2.1%, down from 3.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management
 

Featured Reviews

Ivan Kokalovic - PeerSpot reviewer
Facilitates backend service monitoring with efficient log retrieval and API flexibility
Graylog is valuable because it bridges technical knowledge to non-technical teams, presenting complex backend processes in a simple timeline. It boosts the knowledge of sales and customer support teams by allowing them to see the backend operations without needing to read the code. Its API is flexible for visualization, and its powerful search engine efficiently handles large volumes of log data. Moreover, its stability, fast search capabilities, and compatibility with languages like ANSI SQL enhance its utility in IT infrastructure.
Mokhammad Rakhman - PeerSpot reviewer
User-friendly dashboard and machine learning capabilities improve threat hunting efficiency
LogRhythm SIEM has strong machine-learning capabilities with behavioral rules and analysis. The seamless integration for case management, along with a user-friendly dashboard user interface, makes tasks like threat hunting more efficient. Analytics and behavioral analysis help me save time with rule creation. Its scalability allows me to add components as needed. Overall, LogRhythm SIEM offers end-to-end visibility with a reasonable price.

Quotes from Members

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

Pros

"Open source and user friendly."
"This had increased productivity for the dev and support teams, because we are directly notifying them."
"The product is scalable. The solution is stable."
"UDP is a fast and lightweight protocol, perfect for sending large volumes of logs with minimal overhead."
"Graylog's search functionality, alerting functionality, user management, and dashboards are useful."
"We're using the Community edition, but I know that it has really good dashboarding and alerts."
"Allowing us to set up alerts and integrate with platforms we already use, such as Slack and OpsGenie to alert users of these errors proactively, is also a very useful feature."
"Graylog is very handy."
"The AI Engine can take an event and correlate it into something else giving us meaningful context regarding what is going on. We integrated it in with our ticketing system, so if an alarm fires, it raises a ticket in our system."
"The ability to investigate a particular period of time where you can analyze logs is its most valuable feature."
"The daily alerts allow me to quickly find security and operations issues which need to be addressed."
"We should be able to response to threats and gain visibility into our environment that we don't currently have."
"LogRhythm's GUI is easy to explore. We also like other features, such as its integration with other security solutions, log correlation, and the deployment of use cases."
"In terms of security, LogRhythm NextGen SIEM is great."
"We have seen a massive increase in the amount of data that we can collect, the type of things that we can see, the way we can look at logs, the way we can get alerts, and the way can create our own customer roles, which has allowed us to customize the work in our environment."
"The ability for me to go into the Web UI, and just learn what's going on in my environment."
 

Cons

"With technical support, you are on your own without an enterprise license."
"Graylog could improve the process of creating rules. We have to create them manually by doing parses and applying them. Other SIEM solutions have basic rules and you can create and get more events of interest."
"Dashboards, stream alerts and parsing could be improved."
"Graylog can improve the index rotation as it's quite a complex solution."
"I hope to see improvements in Graylog for more interactivity, user-friendliness, and creating alerts. The initial setup is complex."
"We ran into problems with Elasticsearch throwing a circuit-breaking exception due to field data size being too large. It turned out that the heap size directly impacted this size in a high-throughput environment, causing unexplained instability in Graylog. We were able to troubleshoot on the Elasticsearch size, but we should have been able to reference some minimum requirements for Graylog to know that our settings weren't sufficient."
"When it comes to configuring the processing pipeline, writing the rules can be very tedious, especially since the documentation isn't extensive on how the functions provided for these rules work."
"When it comes to configuring the processing pipeline, writing the rules can be very tedious, especially since the documentation isn't extensive on how the functions provided for these rules work."
"We had a little bit of difficulty implementing a disaster recovery situation because it was leveraging only Microsoft native DNS and it wouldn't work with our Infoblox DNS deployment that we use in our environment. They've been working on that behind the scenes."
"I would like to see APIs well-documented and public facing, so we can get to them all."
"We use Windows Event Forwarding to collect the logs from our Windows clients, and the logs get aggregated as one data source on that collector. Therefore, finding logs specific to one particular Windows system requires some creativity in how we search the SIEM."
"The reporting on the dashboard should be improved from a management perspective. It would be helpful if they adjusted the colors and the presentation to make things clearer and easier to read."
"The console installation is an area with a shortcoming in the solution that needs improvement. If LogRhythm SIEM can offer a web console, it would be great."
"We would like to see more things out of the console into the web UI. I guess this is what they are doing in 7.4."
"Their ticketing system for managing cases can be improved. They can either do that or adopt some of the open-source ticket systems into theirs. The current system works and gets the job done, but it is very bare-bones and basic. There are some things that could be improved there. They should also bring in more threat intelligence into the product and also probably start to look into the integration of more cloud or SAS products for ingesting logs. They're doing the work, but with the explosion of COVID, a lot of businesses have started to move towards more cloud applications or SAS applications. There is a whole diverse suite of SAS products out there, which is a challenge for them and I get it. They seem to be focusing on the big ones, but it'll be nice to be able to, for example, pull in Microsoft logs from Office 365. They are working towards a better way of doing that, and they have a product in the pipeline to pull logs in from other SAS applications. The biggest thing for them is going to be moving away from a Windows Server infrastructure into a straight-up Linux, which is more stable in my eyes. For the backend, they can maybe move into more of an up-to-date Elastic search engine and use less of Microsoft products."
"There are other security technologies outside of this SIEM that should be inside of this SIEM. I can see in their roadmap that they're trying to address a lot of these things, and have these technologies built into the solution, because there is no point in going to another vendor or opening up a second window to obtain the data that you need."
 

Pricing and Cost Advice

"It's an open-source solution that can be used free of charge."
"We are using the free version of the product. However, the paid version is expensive."
"​You get a lot out-of-the-box with the non-enterprise version, so give it a try first."
"It's open source and free. They have a paid version, but we never looked into that because we never needed the features of the paid version."
"We're using the Community edition."
"Graylog is a free open-source solution. The free version has a capacity limitation of 2 GB daily, if you want to go above this you have to purchase a license."
"Consider Enterprise support if you have atypical needs or setup requirements.​"
"If you want something that works and do not have the money for Splunk or QRadar, take Graylog.​​"
"LogRhythm's pricing and licensing is extremely competitive and it's one of the top three reasons we continue to invest in the platform."
"The nice thing about LogRhythm is you can either use the agents, getting a certain number of agents with your license depending on how you want to go, and those agents do a lot of cool things, or you can use CIS Log host, then you have like an unlimited number of them."
"In comparison to the competition, they are more affordable. This allows us to do more with less."
"Everything is expensive with LogRhythm, and you don't get anything for free."
"On a scale of one to ten, where one is low, and ten is high, I rate the pricing between six and seven."
"The license cost is around $10 per MPS."
"We work with French-speaking African countries, and it costs more than the average SIEM solution. Also, the pricing isn't too flexible. AlienVault, Splunk, and IBM QRadar are more suitable for customers on a tight budget."
"The product is inexpensive than other tools."
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Top Industries

By visitors reading reviews
Computer Software Company
18%
Comms Service Provider
10%
Educational Organization
7%
Government
7%
Educational Organization
36%
Computer Software Company
10%
Financial Services Firm
7%
Government
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What do you like most about Graylog?
The product is scalable. The solution is stable.
What is your experience regarding pricing and costs for Graylog?
We are using the free version of the product. However, the paid version is expensive.
What needs improvement with Graylog?
When it comes to configuring the processing pipeline, writing the rules can be very tedious, especially since the documentation isn't extensive on how the functions provided for these rules work. P...
What is the difference between log management and SIEM?
Rony, Daniel's answer is right on the money. There are many solutions for each in the market, a lot depends upon your ability to manage such tools and your budget. A small operation may be best s...
What needs improvement with LogRhythm NextGen SIEM?
The SOAR capabilities need improvements as they currently require programming knowledge. A more user-friendly user interface with drag-and-drop features, similar to key competitors like Splunk, wou...
What do you like most about LogRhythm SIEM?
I find LogRhythm's log management capabilities to be beneficial.
 

Comparisons

 

Also Known As

Graylog2
LogRhythm NextGen SIEM, LogRhythm, LogRhythm Threat Lifecycle Management, LogRhythm TLM
 

Overview

 

Sample Customers

Blue Cross Blue Shield, eBay, Cisco, LinkedIn, SAP, King.com, Twilio, Deutsche Presse-Agentur
Macy's, NASA, Fujitsu, US Air Force, EY, Abbott, HD Supply, SAB Miller, UCLA, Raytheon, Amtrak, Cargill
Find out what your peers are saying about Graylog vs. LogRhythm SIEM and other solutions. Updated: April 2025.
849,686 professionals have used our research since 2012.