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Grafana Loki vs Graylog Enterprise comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Dec 14, 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

Grafana Loki
Ranking in Log Management
4th
Average Rating
8.2
Reviews Sentiment
6.3
Number of Reviews
19
Ranking in other categories
No ranking in other categories
Graylog Enterprise
Ranking in Log Management
9th
Average Rating
8.0
Reviews Sentiment
5.4
Number of Reviews
24
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of February 2026, in the Log Management category, the mindshare of Grafana Loki is 5.6%, down from 7.9% compared to the previous year. The mindshare of Graylog Enterprise is 4.4%, down from 6.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Log Management Market Share Distribution
ProductMarket Share (%)
Grafana Loki5.6%
Graylog Enterprise4.4%
Other90.0%
Log Management
 

Featured Reviews

reviewer2350791 - PeerSpot reviewer
Regional Associate & Engineer at a outsourcing company with 1,001-5,000 employees
Offers cost-effective log management with strong correlation features across observability tools
Grafana Loki's open-source capability is a significant benefit. Grafana has invested in making their enterprise tools competitive with other APM tools, facilitating cross-correlation with Mimir and Tempo for metrics and tracing. The tool offers good search functionality, and its on-premises capability is advantageous. The indexing performance is strong, making it a robust log management tool. Grafana Loki is notably cost-effective.
NC
Security Officer at JSC "Moldtelecom" S.A.
Log analysis has become clearer and faster but visualization and extensibility still need work
The problem was with the complexity and the cost to add extensions. We found this very expensive to buy another version with additional features. I think that Graylog Enterprise does not have customizable dashboards. I did not see them in Graylog Enterprise because most of the time we used the open source free version, which is limited. I think Graylog Enterprise should improve some things that they have in the paid version and perhaps provide users with a menu that gives examples of parsing logs and draws graphics so that people do not need to improve another system such as Grafana. This would be interesting. When it comes to functionalities, I found the log management in Graylog Enterprise acceptable. It is very simple to use and to collect logs. It has support for different protocols and different ports, and the sidecar is easy to use. However, in visualization, I think it needs to be much better.

Quotes from Members

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

Pros

"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 solution's stability has never been a problem. Stability-wise, I rate the solution a nine to ten out of ten."
"The log collection feature is good and the solution is easily understandable. v"
"The most valuable part of Loki is the ability to filter logs by keywords and devices."
"Loki significantly saves time in troubleshooting by quickly pinpointing network issues."
"Grafana agent is very lightweight and does not cost significant resources of our cluster."
"The tool can be used in multi-cluster environments."
"Grafana Loki's open-source capability is a significant benefit, with strong indexing performance, cost-effectiveness, and the ability to cross-correlate with Mimir and Tempo for metrics and tracing, making it a robust log management tool."
"The solution's most valuable feature is its new interface."
"We're using the Community edition, but I know that it has really good dashboarding and alerts."
"Everything stands out as valuable, including the fact that I can quantify and qualify the logs, create pipelines and process the logs in any way I like, and create charts or data maps."
"We run a containerized microservices environment. Being able to set up streams and search for errors and anomalies across hundreds of containers is why a log aggregation platform like Graylog is valuable to us."
"Real-time UDP/GELF logging and full text-based searching."
"The ability to write custom alerts is key to information security and compliance."
"It has data adapters and lookup tables that utilize HTTP calls to APIs."
"The build is stable and requires little maintenance, even compared to some extremely expensive products."
 

Cons

"Improvements could be made in the enablement of the product, addressing the complexity of implementing these tools."
"The solution's scalability depends on the team managing the Grafana instance."
"The product must improve its UI."
"Enhancing speed could be a game-changer, and while it might vary depending on the application, it's a factor worth exploring."
"The correlation of requests is not simple in Grafana Loki and can be improved."
"We encountered certain limitations when it came to alerting, particularly when dealing with specific data sources."
"I do not see any areas for improvement at the moment."
"It would be beneficial if Loki could directly access Windows Server logs or events directly from the servers."
"I would like to see a date and time in the Graylog Grok patterns so that I can save time when searching for a log. I like how the streams and the search query work, but adding a date and time will allow me to pull out a log in a milli-second."
"More complex visualizations and the ability to execute custom Elasticsearch queries would be great."
"Lacks sufficient documentation."
"There are many other applications in the market that influenced my rating reduction."
"I hope to see improvements in Graylog for more interactivity, user-friendliness, and creating alerts. The initial setup is complex."
"Its scalability gets complicated when we have to update or edit multiple nodes."
"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."
"There should be some user groups and an auto sign-in feature.​"
 

Pricing and Cost Advice

"I find the licensing structure quite reasonable, as the free license effectively meets my requirements."
"The solution is open source."
"I use the solution's open-source version. Grafana Loki is a completely free solution for me."
"The cost is less than other paid services like CloudWatch."
"The pricing structure varies based on the number of users; there might be specific taxes to pay for it."
"We use a free version."
"You can use the free version of Grafana Loki on-premises."
"My company doesn't need to pay for the licensing cost of the solution."
"Consider Enterprise support if you have atypical needs or setup requirements.​"
"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."
"Having paid official support is wise for projects."
"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."
"It's an open-source solution that can be used free of charge."
"We're using the Community edition."
"I am using a community edition. I have not looked at the enterprise offering from Graylog."
"​You get a lot out-of-the-box with the non-enterprise version, so give it a try first."
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Financial Services Firm
10%
Comms Service Provider
10%
Manufacturing Company
8%
Computer Software Company
14%
Comms Service Provider
11%
University
8%
Government
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise8
Large Enterprise4
By reviewers
Company SizeCount
Small Business10
Midsize Enterprise5
Large Enterprise9
 

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?
Improvements could be made in the enablement of the product, addressing the complexity of implementing these tools.
What is your experience regarding pricing and costs for Graylog?
I am not familiar with the pricing details of Graylog, as I was not responsible for that aspect. It was determined that we didn't need an enterprise plan, which is more suited for clients with less...
What needs improvement with Graylog?
I do not have any specific examples or numbers, such as time saved or incidents to share. Currently, I have no suggestions for how Graylog Enterprise can be improved, as there are no pain points or...
What is your primary use case for Graylog?
Graylog Enterprise is the logging and management tool we initially used, but later we stopped using it and switched to Loki, Grafana Loki for the logs. Eventually, we moved back to Graylog Enterpri...
 

Also Known As

No data available
Graylog2
 

Overview

 

Sample Customers

Information Not Available
Blue Cross Blue Shield, eBay, Cisco, LinkedIn, SAP, King.com, Twilio, Deutsche Presse-Agentur
Find out what your peers are saying about Grafana Loki vs. Graylog Enterprise and other solutions. Updated: December 2025.
881,346 professionals have used our research since 2012.