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    Comet for SageMaker Partner AI Apps

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    Sold by: Comet 
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    Comet provides an end-to-end model evaluation platform for AI developers, with best in class LLM evaluations, experiment tracking, and production monitoring.
    4.2

    Overview

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    Comet provides a comprehensive platform designed to streamline and enhance the machine learning (ML) lifecycle.

    Ability to build trustworthy GenAI applications via robust evals: Comet's LLM Eval product Opik allows teams to detect hallucinations in generated outputs, ensure prompt quality, and establish robust metrics for GenAI application performance assessment,

    Model Reproducibility and Efficient R&D for ML teams: Comet enables reproducibility by tracking experiments, logging metrics, providing powerful visualization and collaboration tools, and versioning datasets and models for consistent results across runs.

    Free trials on your VPC or on Comet.com are available. Please contact us at sagemaker@comet.com 

    Highlights

    • End to End LLM evaluations and observability with Opik
    • Best in class experiment tracking and visualizations
    • Deeply integrated to Sagemaker products

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    Comet for SageMaker Partner AI Apps

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    Pricing is based on the duration and terms of your contract with the vendor. This entitles you to a specified quantity of use for the contract duration. If you choose not to renew or replace your contract before it ends, access to these entitlements will expire.
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    1-month contract (2)

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    Dimension
    Description
    Cost/month
    Platform Users
    Platform users for Comet
    $149.00
    Traces
    Total trace amount used in Opik
    $0.001

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    Ratings and reviews

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    4.2
    9 ratings
    5 star
    4 star
    3 star
    2 star
    1 star
    44%
    44%
    11%
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    4 AWS reviews
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    5 external reviews
    External reviews are from PeerSpot .
    reviewer2827170

    Organizing research experiments has improved and supports faster model comparison and learning

    Reviewed on Jun 01, 2026
    Review provided by PeerSpot

    What is our primary use case?

    I mainly use Comet  for research topics, summarizing information, and understanding difficult concepts. I use it for organizing and tracking my work on academic projects. It helps me keep track of experiments, compare results, manage data, and document my progress in one place. As a student, this makes it much easier to stay organized, analyze outcomes, and collaborate with classmates when working on research or machine learning projects.

    Recently, I used Comet  while working on a machine learning project that predicts student academic performance based on study habits and attendance data. I tracked different model runs, recorded parameters and results, and compared performance metrics such as accuracy and precision. Using Comet made it much easier to identify which model performed best and keep all my experiment details organized throughout the project.

    What is most valuable?

    Comet helps me maintain a clear record of my work, which is especially valuable in balancing multiple assignments and projects. Instead of manually tracking results in different files, I can keep experiments, metrics, and notes organized in one place. This improves reproducibility, makes it easier to revisit previous work, and saves time when preparing reports or presentations.

    The features that stand out most to me are experiment tracking, performance visualization, and project organization. Experiment tracking makes it easier to compare different models, runs, and understand what changes led to better results. The visualization tools help me quickly analyze metrics and spot trends without having to create charts manually. I also appreciate how Comet keeps datasets, code versions, notes, and results organized in one place, which makes managing projects much more efficient.

    The feature I rely on the most is experiment tracking. When I am testing different models or configurations, it is incredibly helpful to have all the parameters, metrics, and results automatically logged and organized. It saves me from manually documenting everything and makes comparisons much easier. As for specific tools, I use the experiment comparison dashboard all the time. Being able to view multiple runs side-by-side and quickly compare metrics such as accuracy, loss, and validation performance helps me make decisions much faster.

    Comet does an excellent job of bringing different parts of the workflow together in one platform. Instead of switching between spreadsheets, notebooks, and separate tracking tools, I can see experiment metrics, visualizations, and notes in a single place. This not only saves time but also makes collaboration and project reviews much easier.

    What needs improvement?

    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.

    For how long have I used the solution?

    I have been using Comet for approximately eight months.

    What do I think about the stability of the solution?

    Comet has been generally stable and reliable.

    What do I think about the scalability of the solution?

    In my experiments, Comet has handled scalability reasonably well for the types of projects I work on. For moderate increases in workload, such as more hyperparameter sweeps or additional experiment runs, it still performs well and keeps the data organized in a way that is easy to navigate and compare. That said, when the number of experiments grows significantly, I have noticed that loading dashboards and browsing through large experiment histories can become slower. It is not a blocker, but it does highlight that performance can vary depending on project size. Overall, I would say Comet scales very well for academic to mid-sized machine learning projects, and it remains usable.

    How are customer service and support?

    Customer support is pretty good, but I have not had a chance to directly reach out to them because I was able to troubleshoot all the issues with the online discussion forums. However, I heard from my colleagues and friends that customer support is actually good.

    Which solution did I use previously and why did I switch?

    I mainly relied on a combination of manual tracking methods, such as Jupyter notebooks, Excel, or Google Sheets. I switched to Comet because it brought all of these pieces together into a single platform. The main reason for the switch was efficiency and reproducibility.

    Before choosing Comet, I explored TensorBoard, Weights & Biases, and setup using Jupyter notebook spreadsheets, which is what I initially started with. I did not do a formal head-to-head evaluation, but I explored them enough to understand their workflows. I chose Comet because I felt it had a good balance of ease of use and clean visualization tools without being too complex for my projects.

    What was our ROI?

    I do not calculate ROI in financial terms, but I have seen it in terms of time saved, productivity, and experiment efficiency. I estimate I spend around thirty to forty percent less time organizing and comparing experiment results compared to manual tracking. Project iteration cycles are faster, and I complete research projects more efficiently. In terms of qualitative ROI, the biggest benefit is improved workflow structure and reproducibility.

    What other advice do I have?

    Most of the major improvements I would like to see have already been covered, but one would be enhanced collaboration features.

    I would suggest setting up Comet properly from the start and using it consistently for every experiment, even small ones. I also recommend taking time early on to learn how experiment tracking, metrics logging, and comparison views work because those are the features that provide the most value once you are actually iterating on models. Another recommendation is to keep experiments well-organized with clear naming conventions and tags.

    I would rate my overall experience with Comet an 8 out of 10.

    reviewer2818368

    Centralized experiment tracking has improved reproducibility and collaboration across teams

    Reviewed on May 17, 2026
    Review from a verified AWS customer

    What is our primary use case?

    My main use case for Comet  is experiment tracking and model lifecycle management. Comet  has been a very helpful tool in our machine learning workflows. It has helped us improve reproducibility, collaboration, and visibility across all the AI projects that we manage. My primary use case is experiment tracking and machine learning.

    Initially, we needed Comet as a centralized platform because we required a centralized platform that could track experiments and improve collaboration between the ML engineers and the data scientists. Comet has allowed us to consolidate experiment tracking and visualization into a single platform, making our workflow much more organized and reproducible.

    Comet allowed us to consolidate experiment management, model evaluation, and visualization, everything into a single platform, which made our ML workflows much more organized and reproducible.

    What is most valuable?

    The most important use case of Comet would be the centralized experiment tracking. Every training run, metric, hyperparameter configuration, and model outputs are logged automatically, which makes it much easier to compare experiments and identify what is improving model performance.

    The most important feature that Comet offers would be the reproducibility. Previously, we had to reproduce old experiments by ourselves, which was difficult because configuration metrics and everything else was scattered across notebooks and local systems. When we introduced Comet into our systems, all our experiments are stored in a single place, which greatly simplifies debugging and retraining workflows. Visualization is another feature that provides clear dashboards for tracking and resource utilization.

    Visibility is the main benefit of Comet that has helped us create dashboards for tracking multiple models across various domains. Training curves, validation metrics, and resource utilization at different levels are all visible. This visibility has made it easier for us to understand where we are getting overfitting or where we are facing bottlenecks. Collaboration is also improved. Engineers can sit down and share findings within a single environment instead of relying on spreadsheets and multiple disconnected notebooks.

    Comet has good integration capabilities with popular ML frameworks, and the integration is very strong. While using some customized pipelines, we need to have some manual configuration, and some effort is needed in that area. Apart from that, Comet is a very capable platform for ML lifecycle management.

    What needs improvement?

    Comet is a very powerful tool for experiment tracking and MLOps workflows, but the platform is somewhat complex for teams that are not initially familiar with the structured practices that have to be followed in MLOps. Understanding experiment organization, integrations, and tracking workflows requires some onboarding.

    Pricing is one of the major challenges that Comet is facing. As our organization has increased and many users and experiment tracking requirements have increased, the platform cost can increase very quickly. The platform delivers very strong value when the users have increased or experiment tracking has increased extensively. However, as the ML workload increases, the cost also increases very quickly. Smaller teams running a limited number of ML experiments may not be able to fully utilize its capabilities as a whole.

    Comet has good integration capabilities with popular ML frameworks, and the integration is very strong. While using some customized pipelines, we need to have some manual configuration, and some effort is needed in that area. The slight learning curve for teams that are unfamiliar with structured MLOps practices could have some improvement in that area. Some integrations with customized pipelines still require a lot of manual effort, which is one area that Comet could improve in.

    Pricing initially seemed very high compared to other open-source experiment tracking tools. However, once we integrated the platform into our workflows, the productivity improvements justified the investment.

    For how long have I used the solution?

    I have been using Comet for around nine months.

    What do I think about the stability of the solution?

    Comet is very stable and easily scalable. Comet has been very stable in our experience, and with experiment logging, dashboard visualization, and model tracking workflows, it performs reliably even during large training workloads. We have not experienced any reliability issues affecting our ML operations. The performance platform handles scaling well as the number of experiments and users increases.

    What do I think about the scalability of the solution?

    The scalability of Comet is a very strong point for its use case. As we have scaled across multiple experiments, our models have increased by two to three folds. Comet is continuously able to organize runs efficiently and maintain visibility across projects, which becomes very important when we are scaling as an AI team.

    Comet has been very stable in our experience, and with experiment logging, dashboard visualization, and model tracking workflows, it performs reliably even during large training workloads. We have not experienced any reliability issues affecting our ML operations. The performance platform handles scaling well as the number of experiments and users increases. The number of experiment models has increased drastically, but Comet has continued to organize runs efficiently and maintain visibility across multiple projects.

    How are customer service and support?

    Our overall experience with customer support has been mostly positive. Documentation has been quite detailed, and integration with PyTorch  and TensorFlow  are generally very straightforward. For advanced configurations, our support interactions were very responsive and technically helpful. I would rate the customer support a nine out of ten.

    Which solution did I use previously and why did I switch?

    Initially, we managed all our experiments manually using Jupyter notebooks, spreadsheets, TensorBoard, and some internally managed tracking scripts before switching to Comet. We thought switching would allow us to manage experiments across multiple tools easily, which had become very inefficient with the previous solutions we were using, making reproducibility very difficult. Comet provided a centralized and much more scalable alternative for experimentation altogether.

    How was the initial setup?

    The setup process was very straightforward, especially for teams already using modern ML frameworks, and even integration with our existing training pipelines was very smooth.

    What was our ROI?

    The biggest return on investment of Comet comes from improved reproducibility. We have improved reproducibility and experimentation has been way faster than before, and collaboration between teams has gotten better. This has allowed us to cut our workforce that was redundant, basically doing the manual documentation work, which has now shifted to Comet. Development lifecycles have become about one point five times faster. We spend less time debugging, and more time is spent tracking model performance and documenting experiments, which has shifted to actual model developments and overall metrics improvements. This has been our main return on investment.

    Which other solutions did I evaluate?

    Before choosing Comet, we evaluated MLflow, Weights & Biases, Neptune.ai, and TensorBoard. Most of these solutions handled parts of experiment tracking, but Comet stood out because it allowed us to have visualization along with centralized experiment management, which served as a base for great collaboration. That clear dashboard and strong visualization capabilities are what led us to choose Comet.

    What other advice do I have?

    My advice for others looking into using Comet would be to evaluate the scale and level that their organization operates at. If a team is running occasional ML experiments with a smaller number of researchers, lightweight tracking tools may be sufficient. However, for organizations managing multiple models and datasets, Comet provides a great load of benefits for them. The platform is very valuable when reproducibility, centralized visibility, and experiment comparison become important priorities. For AI-focused organizations or ML teams starting to scale, I would definitely recommend Comet.

    Comet is a very valuable platform when it comes to reproducibility, collaboration, experiment tracking, and visibility. Even though there is a slight initial learning curve for teams trying to use Comet, once you are familiar with it and once your workflows and integrations are sorted, Comet becomes a very powerful platform for managing all your ML experimentation. I believe this review is overall quite good and would help anyone understand whether Comet is built for their team or if they would require it. I give this review an overall rating of eight out of ten.

    Which deployment model are you using for this solution?

    Hybrid Cloud

    If public cloud, private cloud, or hybrid cloud, which cloud provider do you use?

    Amazon Web Services (AWS)
    Prem Flara

    Integrated AI workflows have accelerated experiment tracking and model debugging for me

    Reviewed on Apr 30, 2026
    Review from a verified AWS customer

    What is our primary use case?

    Comet  serves as my end-to-end AI observability platform, where I integrate MLOps and AI with machine learning development. I use Comet  in my workflow for tracking purposes, where I monitor code changes during training runs, and I utilize it for model registry and storage.

    What is most valuable?

    The standout features of Comet that I find especially useful include LLM-specific evaluations, tracing, and debugging, along with easy deployment abilities on cloud and self-hosted on-premise solutions. I utilize it in a hosted environment at my end. Additionally, features such as integrations with frameworks like PyTorch , TensorFlow , Hugging Face , and LangChain significantly aid in building enterprise-grade applications while maintaining data sovereignty.

    I have built PyTorch  programs and leveraged libraries inside some of my POCs and integrated them with Comet, which helps save time and enables me to utilize my already tested features. Comet has positively impacted my organization by facilitating the integration of my AI implementation, which saved research time and enhanced integration with existing frameworks, allowing me to leverage my existing code and libraries. The ability to debug and conduct what-if analysis across new experiments enabled me to run programs on Comet quickly and receive feedback, refining the entire feedback loop and saving time on new research and adaptations to developments in AI and generative AI.

    I save approximately thirty percent of overall time in the release cycle thanks to Comet.

    What needs improvement?

    Some areas I believe Comet can improve include scalability limits, as I face challenges when scaling. Enhancing UI customization would leverage themes within my organization, and expanding on quant trading-specific features would be beneficial, especially since I am focusing on algorithmic trading features and mathematical model enhancements. Scalability, UI and visualization enhancements, as well as including more mathematical models, would be improvements I would appreciate.

    For how long have I used the solution?

    I have been using Comet for one year.

    What other advice do I have?

    My advice for others looking into using Comet is to leverage the integration features, as they allow you to quickly utilize existing frameworks, libraries, and code from various areas. This is one of its key features. By leveraging that, engaging in small project POCs can help you discover related experimental data, signal detections, or any mathematical models, thereby saving considerable time in research. I would rate this product a nine out of ten.

    Pavan Javed

    Automation has boosted my research summaries and email drafts but security and accuracy need work

    Reviewed on Apr 11, 2026
    Review provided by PeerSpot

    What is our primary use case?

    I use Comet  for summarizing articles and videos and getting PDFs instantly to draft emails and plan trips. I extract insights, which is the primary function I use Comet  for most of the time.

    My end use involves automation plus agent behavior, so it can interact with websites for me, execute multi-step workflows, search, and compare between them, then act upon my instructions. This is what I appreciate the most about it.

    What is most valuable?

    The best features Comet offers include the agentic capability that I previously explained, where it compares and acts upon my instructions, goes through websites, makes summaries, and drafts emails, which is what I actually appreciate most in Comet browser.

    Comet has made me faster in going through each article, which may not seem useful until I read the complete article. Using the summarization feature in Comet allows me to read the summary and know whether it is the relevant article that I want to look at.

    I estimate that around ten to fifteen percent of my time might be saved using Comet, though the improvement is not substantial.

    What needs improvement?

    The agent technology hallucinates frequently, so it can give me wrong summaries or decisions and misinterpret some information. I believe it is not fully developed; however, for small tasks such as drafting, it performs adequately.

    Automation is something I still need to explore more fully to understand the complete automation features of Comet.

    Comet can improve by decreasing hallucinations and addressing security issues. There are vulnerabilities to prompt injection attacks, and the AI can be tricked into leaking data or acting harmfully. Improvements in security and applying regular patches could help significantly.

    The user experience is acceptable, but a more modern look would enhance it.

    For how long have I used the solution?

    I have been using Comet since its first release.

    What do I think about the stability of the solution?

    Comet is fairly stable, though I am not entirely certain about its complete stability.

    What do I think about the scalability of the solution?

    I believe Comet can handle more users or larger workloads if needed.

    How are customer service and support?

    I have not reached out to customer support at any time.

    What was our ROI?

    The time I saved is around ten to fifteen percent compared to what I have done in traditional browsers. While that is not a significant improvement, it has helped me with summarizing and drafting emails.

    What's my experience with pricing, setup cost, and licensing?

    My experience with pricing, setup cost, and licensing is that it was all free.

    What other advice do I have?

    I choose a rating of six out of ten for Comet because it is not fully developed. I recognize it might be the first release and the first version of what they are building, so I expect more improvements in the future.

    I recommend Comet to those who are learning, conducting research, or are college students and university graduates who want to read through lengthy articles. My overall rating for this product is six out of ten.

    Avi Cherny

    Assistance has automated cloud workflows and reduces hours of repetitive browser tasks

    Reviewed on Apr 10, 2026
    Review provided by PeerSpot

    What is our primary use case?

    My main use case for Comet  is the Assistance option while I am browsing. The most powerful aspect, and the reason I am switching from Chrome to Comet , is when I need to do automation and navigating. If there are tasks that I do not want to do manually, I use Assistance to complete them for me.

    I am using Comet in my workflow as I work with cloud services, and cloud usually requires me to do tasks manually, such as going to specific locations, performing actions, and providing API keys. I copy-paste all these actions and input them into Comet using the Assist option, and Comet completes them for me.

    What is most valuable?

    The Assistance feature is valuable to me because of the way it automates tasks. I give it direction, whether that comes from cloud instructions or if I want to publish new advertising on Facebook or create a new post. I simply provide it with guidance, and it completes the task for me.

    In my opinion, the best feature Comet offers is the Assistance feature.

    Comet has positively impacted my organization by definitely reducing my manual work.

    Comet has reduced a couple of hours of manual work every time I use it. Usually, if I need to post something, I have to go into different groups and post it, or if I need to set different configurations and do not know where they are located, Comet has saved me considerable time.

    What needs improvement?

    The only thing I wish for is that Comet runs a bit slower than I would prefer.

    Comet can be improved by working faster in the Assistance mode.

    My main concern for improvements is the speed.

    For how long have I used the solution?

    I have been using Comet for over a year, and in fact, over two years.

    What do I think about the stability of the solution?

    Comet is stable and works very well.

    What do I think about the scalability of the solution?

    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. I tried to do two tasks simultaneously, but I usually reach my limit very quickly. I am usually very selective about which task I should do, and I complete them one by one, so I have not encountered any scalability issues.

    Which solution did I use previously and why did I switch?

    I previously used ordinary Chrome, which has no automation capability. I also used Chrome with cloud, and it usually does not work well since it requires me to approve something all the time. I was constantly clicking approve instead of working as Comet does.

    What was our ROI?

    I see the return on investment with Comet in my time and manual effort since I do not need to figure out how to perform this configuration.

    What's my experience with pricing, setup cost, and licensing?

    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. It is not too expensive and is reasonable.

    Which other solutions did I evaluate?

    Before choosing Comet, I evaluated other options, specifically Chrome with cloud. I actually started with Comet before the cloud option came available, but I still remain using Comet.

    What other advice do I have?

    My advice to others looking into using Comet is that they try to use it as an ordinary browser and completely miss the Assistance behavior, which is actually a game changer.

    I would also like Comet to be connected to GPT or Cloud so I could use it without being dependent specifically on Perplexity.

    I would rate this product a nine out of ten.

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