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Reviews from AWS Marketplace

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External reviews

59 reviews
from G2

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    Naresh Y.

Smooth Journey with CASTAI

  • January 16, 2025
  • Review verified by G2

What do you like best about the product?
CAST AI is an easy tool to onboard the kubernetes clusters.It provides the easy dashbords to understand the CPU and RAM utilization of the Node and workloads.It is easy to implement the things with the help of CAST.Quick action on the issues with the 24X7 customer support. Schedule rebalacing is the great feature provided by CAST with which we can schedule the rebalancing with the flexible timings.We from our organization will be frequently viewing the console.It also provides the slack configurations and alerts on the metrics.
What do you dislike about the product?
CAST AI should improve on the below features like proving the logs for the workload autoscalers,Audit logs has to be improved for more understanding of the onboardings.
What problems is the product solving and how is that benefiting you?
The main problem CAST solved me is that we have been spending alot of credits on the kuberneties clusters in our organization but with the help of the CAST we have seen huge savings.


    Retail

Amazing service that save a lot of unnecessary cloud expense

  • January 12, 2025
  • Review verified by G2

What do you like best about the product?
The support engineers and it's easy to use.
What do you dislike about the product?
The UI can be improved and reports also.
What problems is the product solving and how is that benefiting you?
Instead of checking how much resources do I need on any point of time, CastAI adjust it automatically by VPA and HPA which lead to select the optimal compute family according to usage, this save us a lot of cost.


    Vitalii B.

Maximizing Cloud Savings Through Kubernetes Automation

  • January 08, 2025
  • Review provided by G2

What do you like best about the product?
CAST AI made Kubernetes cost optimization effortless.
We saw immediate results, with significant savings and zero downtime during implementation.
Main key points:
- advanced node automation for node management and spot instance utilization
- simplicity usage with maximum savings in one package
What do you dislike about the product?
I don't have any significant complaints about CAST AI.
They have been a reliable partner throughout our collaboration.
What problems is the product solving and how is that benefiting you?
The ability to automatically scale and optimize workloads has not only reduced our Kubernetes costs but also freed up our DevOps team to focus on innovation rather than infrastructure management.
By automating complex optimization tasks, CAST AI helps us avoid overspending on unused resources while maintaining seamless application performance.


    Julius B.

Simple to get going, fast and dedicated support will get you fully optimized

  • December 30, 2024
  • Review verified by G2

What do you like best about the product?
Simple configuration to get going, user friendly interface. You get a safe way to test out the features in a "view" mode before committing to your purchase, and you can activate feature by feature easily.

Deep customization using kubernets primitives and you can tune how aggressive the rebalancer is.

Dedicated support monitors your clusters metrics and utilization, and they let you know if you should consider rebalancing certain nodes, very quick reponse time and they are quick to find solutions if you run into problems.
What do you dislike about the product?
still needs work on custom replica sets, for example ones controlled by Strimzi Kafka and ArangoDB.
What problems is the product solving and how is that benefiting you?
Keeping costs down while still scaling based on the needs of the cluster.


    Computer Software

The CAST Ai Technology and Team are outstanding.

  • November 27, 2024
  • Review verified by G2

What do you like best about the product?
The CAST AI Team and ease of implementation.
What do you dislike about the product?
The lack of being able to use the CAST console reflects actual cloud cost (after discounts) vs public on-demand costs.
What problems is the product solving and how is that benefiting you?
CAST AI is enabling us to reduce our cloud waste and cost and become more stable and efficient overall.


    Ravi D.

The overall experience with CastAI has been great.

  • November 27, 2024
  • Review verified by G2

What do you like best about the product?
The easy installation, Deployment and upgrade.
Expert and the blazing fast support.
Very intutive UI.
One among the best documentation.
Seemless integration.
What do you dislike about the product?
So far have not encountered anythign that can qualify a feature being irrelevant.
Need more fine grain control to manage interdependant workloads.
What problems is the product solving and how is that benefiting you?
We are using CASTAI primamrily to save overal cost. While using the product, it helped us identify data points to improvise and make it well architected. Reduced overal efforts and costs to develop and manage cost control mechanism.


    Dario L.

Cast.AI: Innovative savings automation meets outstanding support

  • November 26, 2024
  • Review verified by G2

What do you like best about the product?
Cast.AI's cloud cost automation offers a robust solution for resource optimization through its innovative technology, significantly alleviating the burden on DevOps teams. As it integrates seamlessly into our Kubernetes clusters, it has become a critical component of our infrastructure. Without the solid support from Cast.AI, the integration process could have been risky and complex.
What truly sets Cast.AI apart is how it simplifies onboarding and ensures that users can effectively utilize all features. The support team is always prompt and effective, providing the necessary guidance to navigate the complexities of the tool. This level of assistance instills confidence in both the platform and the dedicated professionals behind it.
What do you dislike about the product?
I have no significant complaints about Cast.AI; any issues encountered during our integration journey have been promptly resolved by the support team or even directly by the developers.
What problems is the product solving and how is that benefiting you?
Reduce resource waste and lowering overall cost of our cloud infrastructure


    Johannes G.

Product is straight forward and Support is great

  • November 25, 2024
  • Review verified by G2

What do you like best about the product?
It was very easy for us to switch from AWS EKS Karpenter to CastAI. There Terraform Modules enabled us to integrate it perfectly into our Infrastructure as Code workflows.

We already during the POC, were able to reduce the Instance Costs by arround 30%, so the product payed for itself. Because of that it was very easy to convince the management to buy the product.

Right now we are working together with cast ai to implement vertical and horezontal autoscaling for all our main workloads (Cast ai VPA+ keda HPA).
What do you dislike about the product?
Permission Model needs to be extended. Currently there is no way to give permissions per cluster or namespace. That would be needed for shared responsibility.
What problems is the product solving and how is that benefiting you?
It improves the Cluster Node Scaling and Spot selection. This reduces Instance costs already by arround 30% for us.

We are working on implementing Autoscaling for all our major workloads, by combining cast ai's vertical pod autoscaling and Keda for horezontal autoscaling on application metrics.


    Cameron L.

A cost-savings dream for cluster administrators

  • November 15, 2024
  • Review verified by G2

What do you like best about the product?
Starting off -- CAST is extremely easy to install and configure. They offer scripted install, Helm charts, and Terraform modules which made it very simply to integrate them into our existing cluster bootstrapping process.

Once deployed you instantly are met with dashboards that wil give you valuable insights into spend, usage, and security and enacting cost savings is as simple as clicking a button.

From that moment on they do all of the legwork in node selection and ensure that your nodegroups are running at the most efficient price-point and are scaling as-needed. Say goodbye to manually provisioning and manging node groups for good.

Support has aslo been a high-point when working with CAST. In the rare occasion that we have encountered any issues they have been extraordinarily responsive and dedicate resources to assist with our problem until it is resolved, no matter the time of day or night.
What do you dislike about the product?
The primary difficulty that we have encountered with CAST is cost justification. The tool costs significantly less money than it saves (and is by far a net positive), however, we find ourselves having to explain to leadership why our largest cost is now CAST. Ultimately this is easy to explain, it is jsut something that we encounter often.
What problems is the product solving and how is that benefiting you?
CAST handles our node selection and provisioning for us entirely. We just install cast in clusters and walk away and can trust that our costs are as low as possible and that our node provisioning will run smoothy.


    Dekel S.

CAST AI on Azure for larage scale spark workload

  • November 04, 2024
  • Review provided by G2

What do you like best about the product?
value, ease of integration, the ability to have fine-grained control over what and how we optimize
What do you dislike about the product?
That i did not use it before... (-:
but to be honest, It's one out of 3 or 4 tools that, in 20+ years of career, I'm struggling to find something to dislike
What problems is the product solving and how is that benefiting you?
cloud cost... that is the main driver but we also have more benefit such as cost insight and perf