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Comet vs Data Hub comparison

 

Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

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

ROI

Sentiment score
6.2
Comet users save time and boost productivity through automation, improved tracking, and enhanced collaboration, reducing manual efforts.
Sentiment score
3.0
Data Hub reduces errors, saves time in incident management, improves Power BI troubleshooting, and centralizes data cataloging and classification.
I estimate I spend around thirty to forty percent less time organizing and comparing experiment results compared to manual tracking.
student at a university with 5,001-10,000 employees
Comet's return on investment is evident through significant time reduction, which is the most crucial factor I have observed.
Senior Data Scientist at a consultancy with 1-10 employees
While that is not a significant improvement, it has helped me with summarizing and drafting emails.
AI/ML Engineer
Atlan has a better approach compared to Data Hub.
Data Quality Engineer at truelogic
Data Hub centralizes data cataloging and classification, saving us from having to disclose PII column information to teams not utilizing it.
Software Engineer L2 at a tech vendor with 5,001-10,000 employees
It is very helpful in building data quality for the company, leading to approximately thirty percent improvement in efficiency.
Finance Feedback Committee at MB Shinsei Finance Limited Liability Company
 

Customer Service

Sentiment score
5.9
Comet's support is praised for responsiveness, clear guidance, and effective integration with PyTorch and TensorFlow, ensuring smooth operations.
Sentiment score
3.8
Data Hub's customer support is responsive and effective, utilizing Slack, webinars, and documentation for timely and genuine assistance.
Comet's help center contributes significantly to building the AI-powered solution smoothly and rapidly.
Senior Data Scientist at a consultancy with 1-10 employees
I was able to troubleshoot all the issues with the online discussion forums.
student at a university with 5,001-10,000 employees
When I was working with Atlan, and needed support, they were very good at attending to my requests directly.
Data Quality Engineer at truelogic
Customer support for Data Hub is quite good.
Manager - Projects at Cognizant
Customer support for Data Hub is very genuine, and they are responsive and attentive.
Senior Software Engineer 2 at Porch
 

Scalability Issues

Sentiment score
6.1
Comet scales well for most projects, efficiently handling workloads with reliable performance, though dashboards may slow with high usage.
Sentiment score
5.5
Data Hub scales efficiently, seamlessly managing growing users and datasets while integrating diverse sources for expansive organizational growth.
Comet's scalability is excellent, as it can generate customized user-to-user browsers.
Senior Data Scientist at a consultancy with 1-10 employees
Overall, I would say Comet scales very well for academic to mid-sized machine learning projects, and it remains usable.
student at a university with 5,001-10,000 employees
Comet's scalability is limited for me since I usually do only one task, and when I overload Perplexity, I hit the limit very quickly.
Automation Engineer at a tech services company with 501-1,000 employees
We have successfully onboarded over 1000 datasets from various sources without any issues.
Senior Software Engineer 2 at Porch
Data Hub's scalability is advantageous, as we onboard data from over one hundred fifty tables in SQL Server to Snowflake, and adding new tables to Data Hub is not time-consuming.
Manager - Projects at Cognizant
Data Hub's scalability is very easy, as we were able to add users and new datasets very quickly and smoothly.
Data Quality Engineer at truelogic
 

Stability Issues

Sentiment score
8.3
Comet is stable and reliable for experiment tracking, supporting multiple users and scaling without significant performance issues.
Sentiment score
8.0
Data Hub is praised for exceptional stability and reliability, with minimal downtime during upgrades, ensuring consistent performance.
Since I've been using Data Hub, it has always been very stable; I can say it was one hundred percent stable.
Data Quality Engineer at truelogic
When I used Data Hub, I did not experience any lagging, crashing, or downtime.
Senior Data Engineer at a tech services company with 1-10 employees
Data Hub is stable in my experience.
Software Engineer L2 at a tech vendor with 5,001-10,000 employees
 

Room For Improvement

Comet requires faster performance, better security, seamless AI integration, and improved usability while addressing pricing and reliability issues.
Data Hub needs better data quality, integration, automation, user experience, and analytics to simplify features for all users.
There are vulnerabilities to prompt injection attacks, and the AI can be tricked into leaking data or acting harmfully.
AI/ML Engineer
It needs to be smarter, utilizing better AI engines to combine data from various sources, and improve the intelligence of its answers, creativity, and document creation capabilities.
Manager & Co-Founder at Arido
Comet can be improved by being more stable and providing security features similar to Brave.
Cloud Operations Engineer at a tech vendor with 51-200 employees
Providing consulting or support with professionals who are qualified to use Data Hub would be interesting, along with providing training and certifications for the tool so that those who are implementing it can specialize increasingly in its features.
Data Quality Engineer at truelogic
The impact is very positive, and there are many benefits for us using Data Hub because it was easier to make data governance, create centralized metadata management, improve data discoverability, and manage data in general.
Software Engineer at a tech vendor with 10,001+ employees
I wonder if it can automate the classification exercise, possibly using AI to auto-classify PII direct and indirect items.
Director at a university with 1-10 employees
 

Setup Cost

Comet offers flexible, affordable pricing and easy management, with clear billing and minimal setup costs for enterprise users.
I found it easy to understand the pricing and subscription models for faster integration.
Senior Data Scientist at a consultancy with 1-10 employees
My experience with pricing, setup cost, and licensing is that I am using Perplexity, the pro version, which is connected to Comet, and together they provide me with very good results at a cost of only twenty dollars, which is acceptable to me.
Automation Engineer at a tech services company with 501-1,000 employees
My experience with pricing, setup cost, and licensing is that it was all free.
AI/ML Engineer
Regarding experience with pricing, setup cost, and licensing, I think if we have a budget of one hundred thousand US dollars, we will be able to deploy a reasonable version and connect to a number of data sources.
Director at a university with 1-10 employees
It costs about zero since, if we win the setup, it probably results in no cost.
Finance Feedback Committee at MB Shinsei Finance Limited Liability Company
 

Valuable Features

Comet excels in experiment tracking, task automation, collaboration tools, and integration with ML frameworks, enhancing teamwork and analysis.
Data Hub enhances data discoverability, governance, and collaboration with features like tagging, scalability, and seamless tool integration for actionable insights.
The feature that keeps tabs open is great because they are updated and still on the same page where I left off, which is super helpful, allowing me to quickly return to what I was working on.
Manager & Co-Founder at Arido
It has transformed the workflow because fewer people are needed for some tasks, and the automation of tasks means that not much human effort is required.
Cloud Operations Engineer at a tech vendor with 51-200 employees
This setup significantly reduces task efficiency in high latency scenarios, providing dynamic websites, faster responses, quicker solutions, and smoother searches compared to typical browsing methods.
Senior Data Scientist at a consultancy with 1-10 employees
Data Hub became a single source of truth for metadata, supporting both compliance requirements and day-to-day operational needs.
Software Engineer at a tech vendor with 10,001+ employees
Data Hub has positively impacted our organization by bringing the tribal knowledge that resides with team members into a single place where users can discover and understand the data elements before they make use of it.
Director at a university with 1-10 employees
Having a tool that shows the data lineage from the source until the target tables helps us a lot.
Data Quality Engineer at truelogic
 

Categories and Ranking

Comet
Ranking in AI Observability
12th
Average Rating
8.4
Reviews Sentiment
5.9
Number of Reviews
9
Ranking in other categories
AIOps (12th)
Data Hub
Ranking in AI Observability
7th
Average Rating
8.2
Reviews Sentiment
4.8
Number of Reviews
20
Ranking in other categories
Metadata Management (4th)
 

Mindshare comparison

As of July 2026, in the AI Observability category, the mindshare of Comet is 0.8%, up from 0.1% compared to the previous year. The mindshare of Data Hub is 0.6%. It is calculated based on PeerSpot user engagement data.
AI Observability Mindshare Distribution
ProductMindshare (%)
Data Hub0.6%
Comet0.8%
Other98.6%
AI Observability
 

Featured Reviews

reviewer2827170 - PeerSpot reviewer
student at a university with 5,001-10,000 employees
Organizing research experiments has improved and supports faster model comparison and learning
My experience with Comet has been very positive, but there are a few areas where it could be improved. One area is the learning curve for new users. Some of the more advanced features can feel overwhelming at first, especially for students who are new to machine learning experiment tracking. More beginner-friendly tutorials and guided onboarding would help. I would also like to see more customization options for dashboards and visualizations, making it easier to create views tailored to specific projects. Another improvement would be deeper integration with commonly used collaboration tools, which would streamline project documentation and team workflows. There are a few additional areas where Comet could improve. From a performance perspective, I occasionally notice that dashboards with a large number of experiments can take longer to load or navigate. Regarding documentation, while the available resources are helpful, I would appreciate more beginner-focused examples, step-by-step tutorials, and real-world use cases. For support, my experience has generally been good, but having more community resources, discussion forums, webinars, or educational content specifically aimed at students and researchers would be valuable.
Akashkhurana Hirana - PeerSpot reviewer
Senior Software Engineer 2 at Porch
Metadata management has streamlined lineage tracking and data discovery for our teams
The best features Data Hub offers include its integration capability with many popular tools like Apache Airflow, Snowflake, dbt, Looker, Apache Kafka, and BigQuery. These tools provide us with data in various places, and we commonly use Apache Airflow for the DAG, while utilizing BigQuery as our database and Apache Kafka for consuming messaging queues. Data Hub easily connects with all these tools and features excellent data discovery and visualization capabilities. We can see data visibility, where it comes from, its upstream and downstream relationships. If we remove a column, we can assess the impact of that change. Furthermore, if there are duplicate datasets being used by different teams that do not communicate regularly, onboarding all data to Data Hub allows us to identify these duplicates easily. Out of all those features, I believe data discovery and impact analysis are the most valuable for my team because when we want to add or drop a column, we can assess the impact analysis to understand the downstream effects. This helps us know who owns a dataset, and we can easily contact the owner. Tracking the data lineage back to the source table is also a key benefit. Data Hub has positively impacted my organization by significantly reducing manual work that was previously needed to identify upstream and downstream data relationships, as well as recognizing duplicate datasets. If a data contract is broken, we now easily get notified of those issues, making the process much easier and more efficient. It is particularly useful for data engineers and platform teams to check for problems directly within Data Hub. Data Hub has saved our team a lot of time. For example, in a large company like Porch, if I want to know whether a specific dataset exists, I can check Data Hub, as it serves as a centralized point for managing the metadata of our data. While it does not contain all data, it does contain the metadata necessary for understanding the dataset's origin. If a dataset does not exist, I can simply see who the owner is and reach out to them, which reduces the dependency on others by providing direct access to information in Data Hub.
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Top Industries

By visitors reading reviews
Energy/Utilities Company
15%
Manufacturing Company
14%
Construction Company
11%
Financial Services Firm
10%
Financial Services Firm
17%
Outsourcing Company
12%
Wholesaler/Distributor
9%
Manufacturing Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business10
Midsize Enterprise3
Large Enterprise4
By reviewers
Company SizeCount
Small Business5
Midsize Enterprise7
Large Enterprise14
 

Questions from the Community

What needs improvement with Comet for SageMaker Partner AI Apps?
I'm not sure how Comet can be improved, as I've only been working on it for three months, so I feel like I need a bit more time to be able to answer this question.
What is your primary use case for Comet for SageMaker Partner AI Apps?
My main use case for Comet is looking at investigations related to health and safety issues and incidents. For a health and safety investigation, I create a timeline of the events that led up to th...
What is your experience regarding pricing and costs for Comet?
My experience with pricing, setup cost, and licensing is that I am using Perplexity, the pro version, which is connected to Comet, and together they provide me with very good results at a cost of o...
What needs improvement with Data Hub?
I think Data Hub can be improved by supporting the open source version better. Many features have moved to the paid version now, making it difficult for small-scale companies to operate on Data Hub...
What is your primary use case for Data Hub?
My main use case for Data Hub is that we use it as a library for all the data assets that we generate. It serves as an internal data mart where people can search for whatever data they need, and th...
What advice do you have for others considering Data Hub?
Data Hub does most of the job it is designed to do, but there could still be improvement as the industry progresses, particularly around metadata discovery. Regarding Data Hub's AI capabilities, it...
 

Comparisons

 

Also Known As

Comet for SageMaker Partner AI Apps
Acryl Data
 

Overview

Find out what your peers are saying about Comet vs. Data Hub and other solutions. Updated: June 2026.
902,894 professionals have used our research since 2012.