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Grafana Loki vs LogRhythm SIEM comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Oct 9, 2024

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

Grafana Loki
Ranking in Log Management
4th
Average Rating
8.2
Reviews Sentiment
7.8
Number of Reviews
18
Ranking in other categories
No ranking in other categories
LogRhythm SIEM
Ranking in Log Management
14th
Average Rating
8.4
Reviews Sentiment
6.7
Number of Reviews
174
Ranking in other categories
Security Information and Event Management (SIEM) (8th)
 

Mindshare comparison

As of August 2025, in the Log Management category, the mindshare of Grafana Loki is 8.4%, up from 5.5% compared to the previous year. The mindshare of LogRhythm SIEM is 2.1%, down from 2.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management
 

Featured Reviews

Volodymyr Bondarchuk - PeerSpot reviewer
Integrations enhance monitoring but problem-solving proves challenging
Different types of integrations with various sources are the most helpful and useful features of Grafana Loki that I found for myself. As part of Kubernetes technology, I noticed benefits from using this product such as availability, configuration balancing, high availability solutions for high performance, and failover clustering. It provides a clear picture about the state of the system and gives needed information for taking action and quickly fixing problems.
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

"Different types of integrations with various sources are the most helpful and useful features of Grafana Loki that I found for myself."
"I appreciate the capability to process logs from microservices and seamlessly integrate them into Grafana."
"The log collection feature is good and the solution is easily understandable. v"
"The most valuable feature of Grafana Loki is the dashboards which are really simple to create."
"The most valuable feature of the solution is the tool's GUI. The solution's GUI is very user-friendly."
"The most valuable part of Loki is the ability to filter logs by keywords and devices."
"The tool can be used in multi-cluster environments."
"The solution's stability has never been a problem. Stability-wise, I rate the solution a nine to ten out of ten."
"LogRhythm SIEM has strong machine-learning capabilities with behavioral rules and analysis."
"The most valuable features would be the automation, reporting, and the support."
"LogRhythm does a very good job of helping SOCs manage their workflows."
"The product is great for medium to large-scale organizations."
"We use this solution to examine disparate log sources and provide a cohesive method to search for anomalous behavior."
"The user interface is pretty good compared to other SIEM tools."
"LogRhythm NextGen SIEM covers all our primary security analysis needs. It makes it easier for us to analyze threats and improves our response times. It's a versatile platform that performs queries fast compared to other SIEM solutions."
"LogRhythm has shown to us, to this point in time, that it has the capabilities of being able to deliver actionable intelligence to the security engineers and analysts."
 

Cons

"We encountered certain limitations when it came to alerting, particularly when dealing with specific data sources."
"It would be beneficial if Loki could directly access Windows Server logs or events directly from the servers."
"The Docker container partition feature needs improvement as they do not reuse the space and goes into a pending state."
"Enhancing speed could be a game-changer, and while it might vary depending on the application, it's a factor worth exploring."
"I do not see any areas for improvement at the moment."
"The product must improve its UI."
"There is a need for some change in the alerting types of the product. In short, a few changes in the alert area are needed due to minor shortcomings."
"In Grafana Loki, the creation of metrics is not so easy, making it an area that could be made easier."
"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."
"Stability has probably been one area where Health Checks have not been great with the product. We have been told that they are going to improve Health Checks on product, though we do struggle with them on a daily basis."
"More detail in the alerts given to avoid additional searches, as often the source or destination associated with the alert is not evidenced."
"Sometimes, the tool fails to get the correlated events that triggered the alerts."
"The responses provided by the cloud team are inefficient."
"I think there is room for improvement because the system is still running on the Windows Server platform. The problem with running on Windows is that it is not that good for scaling and providing for big deployment environments."
"I would like to see case management become more independent from LogRhythm itself."
"Sometimes the Platform Manager crashes because it's built around Windows."
 

Pricing and Cost Advice

"You can use the free version of Grafana Loki on-premises."
"The pricing structure varies based on the number of users; there might be specific taxes to pay for it."
"Since we are using the open-source version of Grafana Loki, we are not paying anything for the solution."
"Grafana Loki is an open-source solution."
"The solution is open source."
"Grafana Loki is a free, open-source solution."
"I use the solution's open-source version. Grafana Loki is a completely free solution for me."
"I use the open-source version of the product."
"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."
"Look closely at the cost of licensing of other products. This should include setups and the need for support services. I did a RFQ to 2 other vendors before choosing this product."
"The license cost is around $10 per MPS."
"LogRhythm's licensing is based on MPS. There are some add-on features like advanced UEBA, the cloud component for advanced UEBA, and SIEM."
"If you don't have your staff, absolutely look into the co-pilot and factor that into your cost evaluation."
"I would rate the tool's pricing around eight out of ten."
"It is a very cost-effective solution."
"I would recommend that whatever sales quotes to them upfront, they will probably go up. Because they are probably going to outgrow that very quickly or once they start getting everything into it, they are going to have to move up anyway."
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Top Industries

By visitors reading reviews
Computer Software Company
17%
Financial Services Firm
10%
Comms Service Provider
10%
Manufacturing Company
8%
Computer Software Company
13%
Government
10%
Financial Services Firm
8%
Manufacturing Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What do you like most about Grafana Loki?
We are using Grafana Loki as a database for real-time metrics.
What is your experience regarding pricing and costs for Grafana Loki?
Since it is an open source tool, there are no charges or fees.
What needs improvement with Grafana Loki?
I have no ideas at this moment about what could be improved in Grafana Loki.
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?
I cannot think of any specific features that LogRhythm SIEM can improve upon since it supports a wide variety of major vendors. However, they need to improve their parsing techniques; the tool shou...
What do you like most about LogRhythm SIEM?
I find LogRhythm's log management capabilities to be beneficial.
 

Also Known As

No data available
LogRhythm NextGen SIEM, LogRhythm, LogRhythm Threat Lifecycle Management, LogRhythm TLM
 

Overview

 

Sample Customers

Information Not Available
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 Grafana Loki vs. LogRhythm SIEM and other solutions. Updated: July 2025.
865,295 professionals have used our research since 2012.