Our primary use case for the solution is automation. There was a scenario where we tried to reduce cost in our environment using Instance Scheduler, where the AWS Lambda function was also used during that process. So we use it for automation and tagging.
DevOps Engineer at United Vision
A great solution for automation and tagging and has helped our organization with cost optimization
Pros and Cons
- "The automation feature is valuable."
- "The runtime for the solution can be improved."
What is our primary use case?
How has it helped my organization?
The solution has helped our organization with cost optimization. So we have used AWS Lambda for consolidated billing.
What is most valuable?
The automation feature is valuable.
What needs improvement?
The runtime for the solution can be improved.
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AWS Lambda
May 2026
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For how long have I used the solution?
We have been using the solution for approximately two years.
What do I think about the stability of the solution?
The solution is stable. I rate it a nine out of ten.
What do I think about the scalability of the solution?
The solution is scalable, and I rate it a ten out of ten.
How was the initial setup?
The initial setup was straightforward.
What's my experience with pricing, setup cost, and licensing?
The solution is very expensive.
What other advice do I have?
I rate the solution a nine out of ten.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Consultant at a tech vendor with 10,001+ employees
Being serverless, it optimises resources and also provides the parallelism of computation
Pros and Cons
- "It enables the launch of thousands of instances simultaneously,"
- "Lambda can only be used in one account; there's no possibility to utilize it in another account."
What is our primary use case?
Lambda is basically a serverless computation service. We are partners with AWS and I'm a consultant.
How has it helped my organization?
Because Lambda is serverless, it has optimized our resources. There's no need to worry about capacity.
What is most valuable?
Lambda is very handy because it gives us the parallelism of computation. If you want to launch thousands of instances simultaneously, it can be done on one site. The solution has a 15-minute computation limit but you can create a chain with the same code so that the output automatically switches to another functionality after 15 minutes.
What needs improvement?
The only issue is that if you have Lambda in one AWS account and want to utilize it in another account, it can't be done. It's a limitation of the solution. S3 bucket provides that option with its resource access management. If you have a Python library and want to package it, you have to create the package of those libraries. It requires changing the conflict file and the patent library to create the package because the configuration is a little difficult for beginners. They should simplify package creation and configuration. Writing test cases is a little difficult because of the memory and short duration. Your computation has to be finished within that time limit.
For how long have I used the solution?
I've been using this solution for five years.
What do I think about the stability of the solution?
We haven't had any performance issues because Lambda automatically gauges the kind of computation required.
What do I think about the scalability of the solution?
The scalability is excellent and there is no capacity limit.
How was the initial setup?
Provided the person deploying the solution knows the format of the input, the setup is relatively simple for experienced users. Deployment doesn't take long because of the integrated machine services. Our implementation was carried out in-house. It doesn't require any maintenance once it has run for a month.
What's my experience with pricing, setup cost, and licensing?
Licensing costs are reasonable even though you have to pay for the computation and for the volume of data. Once the work is done, the storage is freed up so you only get charged for the instance.
What other advice do I have?
If an organization wants to go serverless, Lambda offers a truly serverless service. Even though there are some areas that could be improved, I rate this solution 10 out of 10.
Which deployment model are you using for this solution?
Hybrid Cloud
Disclosure: My company has a business relationship with this vendor other than being a customer.
Buyer's Guide
AWS Lambda
May 2026
Learn what your peers think about AWS Lambda. Get advice and tips from experienced pros sharing their opinions. Updated: May 2026.
893,221 professionals have used our research since 2012.
CEO - Founder / Principal Data Scientist / Principal AI Architect at Kanayma LLC
Serverless compute server used for data processing type transformations from one source to a target
Pros and Cons
- "Lambda has improved our organization by making it possible to transform data."
- "Lambda has limitations on the amount of memory you can use and is not a good solution for long running processes."
What is our primary use case?
There a variety of use cases for this solution but it is mostly used for data processing type transformations from one source to a target. In instances when Lambda works well, we are planning to increase usage.
Deployment and maintenance of Lambda requires two people but this may increase depending on the size of the deployment.
How has it helped my organization?
Lambda has improved our organization by making it possible to transform data.
What needs improvement?
Lambda has limitations on the amount of memory you can use and is not a good solution for long running processes. If the amount of data is reasonably small, it will run and transform successfully. If you have tons of data coming in, it stops working and you have to restart it.
The orchestration and coordination between different Lambdas could also be improved.
For how long have I used the solution?
I have used this solution or a couple of years.
What do I think about the stability of the solution?
This is a fairly stable solution.
What do I think about the scalability of the solution?
This solution has some limitations on scalability due to the problem with coordination between the different Lambdas. Is it not very straightforward and you have to do a lot of testing.
How was the initial setup?
The initial setup was fairly straightforward.
What other advice do I have?
I would advise others to use it in those circumstances where it works well and to be aware of the problems with coordination and orchestration. Make sure that it doesn't have to process tons of data.
I would rate this solution a seven out of ten.
Which deployment model are you using for this solution?
Public Cloud
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Solution Architect, DevOps Engineer at sonne technology
The latest cloud technology ensures that projects deploy with ease
Pros and Cons
- "The solution runs on the latest cloud technology so it is easy to deploy cloud-native projects."
- "The solution runs on the latest cloud technology so it is easy to deploy cloud-native projects."
- "It can be a bit difficult to switch between accounts when creating services for customers."
- "It can be a bit difficult to switch between accounts when creating services for customers."
What is our primary use case?
Our company uses the solution as a function engine to deploy triggered events for customers. We have a team of twelve developers and our deployments have 1,000 to 2,000 customers during peak times.
What is most valuable?
The solution runs on the latest cloud technology so it is easy to deploy cloud-native projects.
The solution is very useful for managing triggered events.
What needs improvement?
It can be a bit difficult to switch between accounts when creating services for customers.
For how long have I used the solution?
I have been using the solution for one year.
What do I think about the stability of the solution?
The solution is cloud-based so of course it is stable as long as the cloud is available.
What do I think about the scalability of the solution?
The solution is scalable.
How are customer service and support?
We have not needed technical support. We utilize available documents that contain content for solving any issues.
How was the initial setup?
The solution is serverless computing so there is no setup. You just launch the service, write your code, and run it.
What's my experience with pricing, setup cost, and licensing?
The solution is part of the AWS subscription model that is paid annually. There is no charge for monthly usage.
There are many calculation criteria for AWS services or licenses. It is difficult to say whether the solution reasonably priced or expensive. Each company weighs price against the benefits and efficiencies provided by the solution.
Which other solutions did I evaluate?
AWS is the pioneer of cloud computing and they lead the industry in innovations. Other providers follow in AWS' footsteps to implement similar features and service levels.
AWS has differentiated the use cases for serverless computing. Lambda is used for basic capabilities like triggered events and Fargate is used for extended capabilities.
I started using Lambda for a specific use case and I continue to use Lambda and Fargate for use cases as recommended by AWS.
What other advice do I have?
I definitely recommend the solution and rate it a ten out of ten.
Which deployment model are you using for this solution?
Public Cloud
If public cloud, private cloud, or hybrid cloud, which cloud provider do you use?
Amazon Web Services (AWS)
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
System Engineer at a tech services company with 10,001+ employees
Excellent serverless architecture for a good price
Pros and Cons
- "AWS Lambda's most valuable feature is serverless architecture."
- "AWS Lambda's most valuable feature is serverless architecture."
- "There are sometimes issues following an update."
- "There are sometimes issues following an update."
What is most valuable?
AWS Lambda's most valuable feature is serverless architecture.
What needs improvement?
There are sometimes issues following an update.
For how long have I used the solution?
I've been using AWS Lambda for about five years.
What do I think about the stability of the solution?
AWS Lambda is stable.
What do I think about the scalability of the solution?
AWS Lambda is scalable.
How was the initial setup?
The initial setup was straightforward and took only a few minutes.
What's my experience with pricing, setup cost, and licensing?
AWS Lambda's cloud version isn't expensive, and I'd rate its pricing as five out of five.
What other advice do I have?
I would rate AWS Lambda ten out of ten.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Cloud Engineer at a tech services company with 10,001+ employees
Serverless platform that makes the administration of code and other Amazon products seamless
Pros and Cons
- "Lambda makes the administration of all our services related to Amazon really easy."
- "Lambda makes the administration of all our services related to Amazon really easy."
- "The metrics and reporting for this solution could be improved."
- "From a stability perspective, I would rate it a seven out of ten. There is some room for improvement when it comes to stability of the features."
What is most valuable?
Lambda makes the administration of all our services related to Amazon really easy.
What needs improvement?
The metrics and reporting for this solution could be improved.
For how long have I used the solution?
I have been using this solution since 2017.
What do I think about the stability of the solution?
From a stability perspective, I would rate it a seven out of ten. There is some room for improvement when it comes to stability of the features.
What do I think about the scalability of the solution?
This is a scalable solution. I would rate it a nine out of ten in this regard.
How was the initial setup?
The initial setup is complex.
What other advice do I have?
I would recommend this solution to others. Overall, the solution has improved since we started using it in 2017.
I would rate this solution a nine out of ten.
Disclosure: My company has a business relationship with this vendor other than being a customer. Partner
Senior Software Engineer | AWS Certified Solutions Architect at Venture Garden Group
Can be easily deployed and is stable, scalable, and usage-based
Pros and Cons
- "I like the pay-for-what-you-use feature. This is the main reason why we use AWS Lambda. I don't have to manage servers; I just have to configure Lambda and expose it to an API gateway."
- "I like the pay-for-what-you-use feature; I don't have to manage servers, I just have to configure Lambda and expose it to an API gateway."
- "Another challenge I've noticed is that there is a limit to the environment variables such as the 4 KB limit. Although, the advice is to use parameters or other things to store the details when the limit has exceeded the data, this adds additional intensity to the application. If the size limits for environment variables can be revealed, it would be helpful. Even if we have to pay for it, at least we would know that we are not dealing with latency. So, I would like to see the size of the environment variables increased."
- "Another challenge I've noticed is that there is a limit to the environment variables such as the 4 KB limit."
What is our primary use case?
We use AWS Lambda for jobs that we just want to offload to a cloud function. We are an educational institution, and if I want to upload an exam I generated for all my students, then I just write the script on AWS Lambda. That is, we use it for independent jobs that we can offload on their own.
What is most valuable?
I like the pay-for-what-you-use feature. This is the main reason why we use AWS Lambda. I don't have to manage servers; I just have to configure Lambda and expose it to an API gateway.
What needs improvement?
AWS Lambda's cold start needs to be improved. It has to warm up first, and so, the response time is slower.
Another challenge I've noticed is that there is a limit to the environment variables such as the 4 KB limit. Although, the advice is to use parameters or other things to store the details when the limit has exceeded the data, this adds additional intensity to the application. If the size limits for environment variables can be revealed, it would be helpful. Even if we have to pay for it, at least we would know that we are not dealing with latency. So, I would like to see the size of the environment variables increased.
For how long have I used the solution?
I've been using AWS Lambda for one year.
What do I think about the stability of the solution?
It's very stable.
What do I think about the scalability of the solution?
AWS Lambda is scalable; I don't need to worry about it. At present, we have less than 10 people using this solution.
How was the initial setup?
The initial setup is straightforward. It can be done on the console, and you can use the infrastructure as the code.
The deployment time can vary from 10 minutes to an hour depending on your needs and how comfortable you are with AWS Lambda.
What other advice do I have?
AWS Lambda now supports multiple languages, but find out if the language you want to use to write your jobs is supported by it. If it is supported, then you are good to go.
Because AWS Lambda is scalable and does what it's meant to do, I would rate it at nine on a scale from one to ten.
Which deployment model are you using for this solution?
Public Cloud
If public cloud, private cloud, or hybrid cloud, which cloud provider do you use?
Amazon Web Services (AWS)
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Lead solution architect at a government with 1,001-5,000 employees
Scalable and responsive support
Pros and Cons
- "The support from AWS Lambda is very good, they are responsive."
- "AWS Lambda is used for the whole surface, it does the backups, and schedules, and learns some of the core functionalities but it can depend on the topic or application."
- "AWS Lambda has some size limitations in the code line, you can't do a couple of functions to do the job."
- "AWS Lambda has some size limitations in the code line, you can't do a couple of functions to do the job."
What is our primary use case?
AWS Lambda is used for the whole surface, it does the backups, and schedules, and learns some of the core functionalities but it can depend on the topic or application. The solution is used to build APIs and many other functions
What needs improvement?
AWS Lambda has some size limitations in the code line, you can't do a couple of functions to do the job.
For how long have I used the solution?
I have been using AWS Lambda for approximately six years.
What do I think about the stability of the solution?
AWS Lambda is stable.
What do I think about the scalability of the solution?
AWS Lambda is in the cloud which makes it scalable.
I have worked in many companies that have used this solution and some of them had a lot of users.
How are customer service and support?
The support from AWS Lambda is very good, they are responsive.
What other advice do I have?
I rate AWS Lambda a nine out of ten.
Which deployment model are you using for this solution?
Public Cloud
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
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Updated: May 2026
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