Try our new research platform with insights from 80,000+ expert users

Amazon OpenSearch Service vs Splunk ITSI (IT Service Intelligence) comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Feb 22, 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

Amazon OpenSearch Service
Ranking in Application Performance Monitoring (APM) and Observability
23rd
Average Rating
7.6
Reviews Sentiment
6.7
Number of Reviews
13
Ranking in other categories
Log Management (19th), Search as a Service (3rd)
Splunk ITSI (IT Service Int...
Ranking in Application Performance Monitoring (APM) and Observability
11th
Average Rating
8.4
Reviews Sentiment
6.7
Number of Reviews
59
Ranking in other categories
IT Alerting and Incident Management (3rd)
 

Mindshare comparison

As of March 2026, in the Application Performance Monitoring (APM) and Observability category, the mindshare of Amazon OpenSearch Service is 1.4%, down from 1.5% compared to the previous year. The mindshare of Splunk ITSI (IT Service Intelligence) is 0.8%, up from 0.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Performance Monitoring (APM) and Observability Mindshare Distribution
ProductMindshare (%)
Splunk ITSI (IT Service Intelligence)0.8%
Amazon OpenSearch Service1.4%
Other97.8%
Application Performance Monitoring (APM) and Observability
 

Featured Reviews

Md. Shahariar Hossen - PeerSpot reviewer
Senior Software Engineer at Cefalo
Event tracking has become smoother and data analytics provide clear insights for user actions
Amazon OpenSearch Service is not providing the processing feature directly. From Amazon OpenSearch Service, we are actually maintaining the AWS SQS, the queue service, which is responsible for providing information about what data has to be modified. So using that SQS, we're actually providing it, but we're not directly using Amazon OpenSearch Service for keeping data to other data pipeline thing. So far we didn't use it for any machine learning purposes, but in future, we have plans to extend or implement this feature. Since AWS itself is secure and Amazon OpenSearch Service is a part of this entire ecosystem, it becomes much easier for security purposes. From the validation point of view, Amazon OpenSearch Service itself provides easy to communicate APIs and up-to-date documents, which is much beneficial. For example, if I'm missing anything, I can directly go and check the documentation. That is actually much easier. I would rate it as really good so far. It's much faster. For our local machine, we can also use a kind of replica of Amazon OpenSearch Service just for development purposes. That is another good feature. I would say for the encryption thing and also the user access control management, it's much faster. For some of these hashing algorithms, it also worked really well so far. To be honest, I didn't find any places where it can be improved. However, I think they could provide more abstraction. For example, still for searching, we have to write down the queries in a specific manner, such as for a specific JSON structure or in a specific way. Otherwise, they don't provide us the actual results. For at least this purpose, I think abstraction could be a bit easier or a bit improved. Other than that, right now there is the age of AI, so some kind of prompting could also work, but I'm not sure how it could be integrated. As a user, lower prices or reasonable pricing is always better. Those can be improved as well. However, it is good that most of the services including Amazon OpenSearch Service actually provide pay as you go pricing. So if there were a bit lower version or a bit less payment methodology, it might be much better.
DS
Senior Consultant at a consultancy with 10,001+ employees
Service health has been monitored and visual insights support proactive telecom operations
The installation process is the first aspect I dislike about Splunk ITSI (IT Service Intelligence). If you do not configure it correctly, you will encounter issues in the search head. Because we use a distributed environment where each component has its own specific roles, installation is critical and requires careful attention. Splunk ITSI (IT Service Intelligence) is built with many applications. It is a compressed file, and when you extract the Splunk ITSI (IT Service Intelligence) app, you receive approximately 19 apps. Some applications, add-ons, and packages must be installed on specific components. If you do not configure an application correctly, it will not work. Sometimes we encounter issues during installation because of this complexity. I believe the installation process should be more uniform, meaning it could be deployed across all components to avoid post-installation issues. Sometimes after installation, you receive errors, and users cannot access Splunk ITSI (IT Service Intelligence). We have experienced this type of issue due to installation errors. I believe there is currently room for improvement regarding scalability. When we create Glass Tables containing many searches, the Glass Tables sometimes fail due to memory constraints, and we receive error pages. Splunk ITSI (IT Service Intelligence) should have a lightweight version to address these concerns. I would rate current scalability as medium.

Quotes from Members

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

Pros

"We retrieve historical data with just a click of a button to move it from cold to hot or warm because it's already stored in the backend storage"
"The initial set up is very easy...We really appreciate Amazon!"
"It enables us to efficiently search and retrieve our event data, offering us a versatile approach to locate specific information within these logs."
"It's actually easier to collaborate since it is already deployed in the AWS cloud itself."
"In case there is a failure, Elastic manages everything well, and there no major downtime."
"They have the good documentation in the help text and that is the reason the Amazon is the perfect solution in the current market."
"Amazon OpenSearch Service has enhanced our organization's ability to store and search large amounts of data efficiently."
"The business analytics capabilities are the most important feature it provides."
"From my experience of working with Splunk ITSI (IT Service Intelligence) for two years, the most beneficial aspect for me is that it is AI-enabled, providing us with very good analytics."
"What I like the most is the event correlations. It's a file structure, and ITSI has a correlation layer where you can normalize the events from different sources. Once these events are normalized, you set up rules to aggregate them into different or the same attributes. After the rules are defined, you can automate the process to solve the issue automatically."
"Splunk ITSI offers a valuable visualization tree that allows us to map and analyze dependencies and co-dependency within our environment."
"Splunk ITSI helps us secure our environment by allowing us to create automatons that run when alerts are triggered."
"Splunk ITSI can be easily integrated with the incident management platform. You can automate workflows and certain actions can be taken."
"The solution's scalability is fine."
"Having a structure on how to resolve incidents is the most valuable aspect."
"One of the excellent features is the service analyzer, which is truly impressive."
 

Cons

"One glaring issue was with our mapping configuration as the system accepted the data we posted, but after a few months, when we attempted complex queries, we realized the date formatting had become problematic."
"The pricing aspect is a concern. The service is way too costly. For the past month, I used only 30 to 40 MB of data, and the cost was $500. AWS could improve pricing."
"As a user, lower prices or reasonable pricing is always better."
"There is a problem with the database. Amazon only provides the hosting to run our applications bias, but there is no option to manage the database within the Elasticsearch product."
"Amazon Elasticsearch can improve the bullion in the near search and the ease of integration with Kibana. Additionally, there could be more flexibility in the configuration and documentation."
"The price is fair yet leans towards the expensive side. I'd rate it five out of ten with respect to capabilities vs. cost."
"They can enhance data visualization."
"It would be beneficial to have some level of customization available in the managed service, tailored to the specific use cases of the end users."
"ITSI is an almost perfect tool, but there is room for improvement in a few features like the deep dive and multi-KPI alerts. We're using most of the features like service API, coding searches, and aggregation, but our team members hardly use multi-KPI and deep dive. We don't use the multi-KPI or deep dive because everything is available in the service KPI. I don't think this feature is necessary."
"One thing ITSI could improve on is the maintenance windows. I have a huge case where I had to implement something related to the maintenance window. If you try to look up the issues in ITSI, you have to check the incidents individually, and putting hundreds of hosts in maintenance can be a hindrance."
"One area where Splunk ITSI (IT Service Intelligence) has room for improvement is the high cost associated with it."
"We'd like them to show more inputs on the dashboard."
"It would be advantageous to enhance the dashboard by incorporating sections for monitoring, service health, and a filter for the KPIs."
"The solution should integrate more features in NEAP."
"The UI could be updated. Some elements of the KPI section aren't where you'd expect. It looks like a website from 2010 or maybe older. You can't change some things, like if it doesn't word-wrap well. For example, if you have a long list of KPIs that exceed a character limit, you need to hover over them and wait for the HTML text to pop up to see which KPI it is."
"The dashboard function inside the individual episodes, not at the ITSI Notable Event Aggregation Policy level but actually at the correlation search layer, is an area where improvements are required."
 

Pricing and Cost Advice

"The solution is not expensive, but priced averagely, I will say."
"Compared to other cloud platforms, it is manageable and not very expensive."
"You only pay for what you use."
"There is a community edition available and the price of the commercial offering is reasonable."
"Splunk ITSI is a premium application and comes with a premium price tag."
"Splunk pricing is high."
"It depends on how big an organization is. If we have a lot of resources, the licensing needs to be upgraded. If we have a small environment, the licensing cost is definitely going to be less."
"It is interesting. I am not involved that much lately, but if I recall correctly, you license primarily on the volume of data that you are using in Splunk ITSI, but there is no way Splunk can ever check if that is true, so that is interesting. We are not doing it, but someone can pretend to just use 10%, and it would be super cheap. It is tricky, but it is more tricky for Splunk than for us."
"The licensing is based on data usage."
"Pricing was pretty good, and it is possible to just add on the features we want."
"Splunk ITSI is expensive."
"The pricing of Splunk is a bit high."
report
Use our free recommendation engine to learn which Application Performance Monitoring (APM) and Observability solutions are best for your needs.
884,108 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Financial Services Firm
15%
Computer Software Company
10%
Manufacturing Company
10%
Government
7%
Financial Services Firm
16%
Manufacturing Company
10%
Computer Software Company
7%
Comms Service Provider
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise2
Large Enterprise3
By reviewers
Company SizeCount
Small Business14
Midsize Enterprise10
Large Enterprise43
 

Questions from the Community

What do you like most about Amazon OpenSearch Service?
We retrieve historical data with just a click of a button to move it from cold to hot or warm because it's already stored in the backend storage
What is your experience regarding pricing and costs for Amazon OpenSearch Service?
I would consider the pricing as a six based on how much data we are handling; if we handle minimal data, it's cheap, but for large data, it becomes costly. Our clients usually pay between $1,000 to...
What needs improvement with Amazon OpenSearch Service?
Amazon OpenSearch Service is not providing the processing feature directly. From Amazon OpenSearch Service, we are actually maintaining the AWS SQS, the queue service, which is responsible for prov...
What is your experience regarding pricing and costs for Splunk ITSI (IT Service Intelligence)?
Splunk ITSI (IT Service Intelligence) is maintained by our customer, so I am not certain about the pricing. It is a paid product, so you cannot download it directly. It is not publicly available. Y...
What needs improvement with Splunk ITSI (IT Service Intelligence)?
As per my analysis of Splunk ITSI (IT Service Intelligence), I do not see much room for improvement. My experience as a mid-level user suggests that deep knowledge is helpful to maximize the tool's...
 

Also Known As

Amazon Elasticsearch Service
No data available
 

Overview

 

Sample Customers

VIDCOIN, Wyng, Yellow New Zealand, zipMoney, Cimri, Siemens, Unbabel
TransUnion, Cox Automotive, Carnival Cruises, Leidos, Econocom, National Ignition Factory, Entrust Datacard, Molina Healthcare, United States Census Bureau
Find out what your peers are saying about Amazon OpenSearch Service vs. Splunk ITSI (IT Service Intelligence) and other solutions. Updated: March 2026.
884,108 professionals have used our research since 2012.