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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
6.4
Number of Reviews
175
Ranking in other categories
Security Information and Event Management (SIEM) (8th)
 

Mindshare comparison

As of September 2025, in the Log Management category, the mindshare of Grafana Loki is 8.1%, up from 6.1% compared to the previous year. The mindshare of LogRhythm SIEM is 2.2%, down from 2.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management Market Share Distribution
ProductMarket Share (%)
Grafana Loki8.1%
LogRhythm SIEM2.2%
Other89.7%
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.
SumitKumar20 - PeerSpot reviewer
Tool consistently aids in effective threat detection and monitoring but could benefit from improved log source management and resource optimization
One major area for improvement in LogRhythm SIEM is the lack of volume measurement capability in terms of storage. There is currently no way to determine how much data is being consumed in terms of gigabytes, terabytes, or petabytes from particular devices or environments. This information is crucial for planning future storage needs and scalability. The system monitor (collector) agent has issues with resource consumption. Even when not actively collecting data, the agent continues to consume significant CPU and memory resources, which can be particularly problematic for small business environments with limited resources. LogRhythm SIEM could improve by adding more default device support. While they have good default settings for devices such as Palo Alto firewalls, custom log sources often require extensive work. Increasing the number of supported devices with built-in policies and functionality would reduce the need for custom work. Competitive SIEM tools often provide more comprehensive coverage for various devices and vendors.

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."
"The most valuable feature is the capability to set up alerts, which becomes necessary when we need to receive notifications for specific events."
"The most valuable feature of Grafana Loki is the dashboards which are really simple to create."
"I appreciate the capability to process logs from microservices and seamlessly integrate them into Grafana."
"The product's most valuable features are ease of installation, management, and reporting. It has an efficient ability to set thresholds for alerts, as well."
"The most valuable part of Loki is the ability to filter logs by keywords and devices."
"There are new features like that pilot code and things like that for profiling."
"We are using Grafana Loki as a database for real-time metrics."
"The initial setup process is very user-friendly."
"We have to be able to show the evidence, and LogRhythm does a great job of putting it forward and making it easy to create reports with nice looking dashboards, which show off what we are doing as a security program."
"It has centralized monitoring for our security operations. Therefore, it improves our analysts' work."
"The user interface is pretty good compared to other SIEM tools."
"The user interface is good."
"Technical support has always been helpful."
"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."
"The ability for me to go into the Web UI, and just learn what's going on in my environment."
 

Cons

"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."
"The product must improve its UI."
"We face some bugs when we install the latest version of Grafana Loki."
"It's not intended for proprietary services, so you have to struggle with configuration a lot."
"My main concern is the recommended production-grade setup. They suggest using tools like Tanka or Jsonnet. They should simplify the process to increase adoption."
"The solution's scalability depends on the team managing the Grafana instance."
"The correlation of requests is not simple in Grafana Loki and can be improved."
"The Docker container partition feature needs improvement as they do not reuse the space and goes into a pending state."
"The main problem I have with LogRhythm SIEM is its stability; the solution is not stable."
"Scalability misses the mark sometimes, especially when you have an integrated disaster recovery built into the solution."
"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."
"Scalability-wise, it's not that great."
"For our market, the solution is quite expensive. It would be ideal if they could work on and improve their existing pricing plans to help make it more affordable in our country."
"My big thing is the easability. I don't like to go to two different systems. The fat client that you have to install to configure it, then the web console which is just for reporting and analysis. These features need to collapse, and it needs to be in a single solution. Going through the web solution in the future is the way to do it, because right now, it is a bit cumbersome."
"The pricing is the only problem."
"I have probably submitted half a dozen log parser requests, and I keep finding more stuff that we need to keep an eye on that doesn't have a definition in LogRhythm."
 

Pricing and Cost Advice

"The cost is less than other paid services like CloudWatch."
"My company doesn't need to pay for the licensing cost of the solution."
"I use the open-source version of the product."
"Since we are using the open-source version of Grafana Loki, we are not paying anything for the solution."
"I find the licensing structure quite reasonable, as the free license effectively meets my requirements."
"The pricing structure varies based on the number of users; there might be specific taxes to pay for it."
"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."
"LogRhythm's pricing and licensing is extremely competitive and it's one of the top three reasons we continue to invest in the platform."
"I give the price a six out of ten."
"The pricing is very reasonable and accessible compared to other products in the market but I am not very sure about the exact licensing cost per year for our company."
"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."
"When it comes time to renew, they say, "This is what you are using. This is what we can do for you." So, they work with you on pricing."
"In comparison to the competition, they are more affordable. This allows us to do more with less."
"On a scale of one to ten, where one is low, and ten is high, I rate the pricing between six and seven."
"I would recommend talking to the rep. That's the biggest thing because they will know what questions to ask."
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Top Industries

By visitors reading reviews
Computer Software Company
16%
Comms Service Provider
10%
Financial Services Firm
10%
Manufacturing Company
9%
Computer Software Company
13%
Government
10%
Financial Services Firm
8%
Manufacturing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise8
Large Enterprise3
By reviewers
Company SizeCount
Small Business38
Midsize Enterprise38
Large Enterprise83
 

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: September 2025.
867,349 professionals have used our research since 2012.