I have used AWS Lambda for deploying our mobile application to integrate it with services like S3 bucket, Bedrock, or SageMaker. It serves to connect our local systems to call servers for mobile application integration.
AWS Data Scientist at a consultancy with 10,001+ employees
Real-time event responses and integration with multiple runtime support improve application development
Pros and Cons
- "AWS Lambda operates as a serverless architecture, providing quick responses to events without requiring server management and supports multiple runtimes like Python, Java, .NET, and Node.js."
- "AWS Lambda operates as a serverless architecture, providing quick responses to events without requiring server management and supports multiple runtimes like Python, Java, .NET, and Node.js."
- "Sometimes AWS Lambda seems expensive, rating around five out of ten for pricing."
What is our primary use case?
What is most valuable?
AWS Lambda operates as a serverless architecture, providing quick responses to events without requiring server management. It supports multiple runtimes like Python, Java, .NET, and Node.js. Additionally, the Lambda timeout service allows processes to run for up to fifteen minutes, enhancing time efficiency. AWS Lambda is useful for integrating with CI/CD pipelines and real-time scenarios.
What needs improvement?
AWS should provide more trial support for new users and customers. AWS should also provide basic access to perform some actions using different tools on the AWS platform. This would help customers understand the types of integration possible and the various tasks they can perform using AWS services.
For how long have I used the solution?
I have used AWS Lambda for around one year.
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What do I think about the stability of the solution?
AWS Lambda is very stable, providing good response times compared to other cloud services and requiring a stable network connection.
What do I think about the scalability of the solution?
AWS Lambda is highly scalable. I rate its scalability ten out of ten. It can handle large datasets, and its integration with other AWS services enhances its scalability.
Which solution did I use previously and why did I switch?
I was previously manually creating models and deploying them to AWS S3 cloud buckets. This process was more time-consuming and took two to four days for large datasets.
How was the initial setup?
The initial setup of AWS Lambda is easy. I would rate the initial setup process ten out of ten. It takes around one to two hours to learn and understand the use cases.
What about the implementation team?
Only one or two people are necessary for the deployment and maintenance of AWS Lambda, as it involves data engineering and deployment only.
What's my experience with pricing, setup cost, and licensing?
AWS Lambda pricing is moderate. You only pay for the services when they are used, unlike EC2 services. Sometimes AWS Lambda seems expensive, rating around five out of ten for pricing.
Which other solutions did I evaluate?
I have worked with Azure AI Studio and found Azure to have better performance for generative tasks compared to AWS.
What other advice do I have?
AWS Lambda rates ten out of ten. For new users, gaining trial support and understanding the capabilities of AWS's integration are advised. I would give the overall solution a rating of 10 out of 10.
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.
Senior Business Solutions Consultant at Conn3ct
Serverless architecture boosts agility and enhances integration capabilities
Pros and Cons
- "The fact that it is serverless is really important."
- "Working with AWS and its solutions is definitely recommended."
- "The runtime could be improved. There are certain use cases where I need a Lambda function to run longer."
- "The runtime could be improved. There are certain use cases where I need a Lambda function to run longer."
What is our primary use case?
I mostly use the solution for data dips or integrations with third-party applications.
What is most valuable?
The fact that it is serverless is really important. I can then deploy a microservices architecture. It is quite quick and nimble. The most useful feature for me is the API call, as well as the integration and its flexibility.
What needs improvement?
The runtime could be improved. There are certain use cases where I need a Lambda function to run longer. I don't know how many minutes it is, however, there's a threshold that I can't exceed. If that time was extendable, it would help in some areas, not all areas, yet some.
For how long have I used the solution?
I have used the solution since Amazon Connect AWS launched, which I believe was in 2017.
What do I think about the stability of the solution?
The stability is high. I would rate it eight out of ten in terms of stability since nothing is perfect.
What do I think about the scalability of the solution?
The scalability is ten out of ten.
How are customer service and support?
I have used their solutions for about ten years. They are pretty good at support.
How would you rate customer service and support?
Positive
How was the initial setup?
The initial setup is fairly straightforward. If I am familiar and trained in an AWS environment, then yes. The AWS interface is not great, really. It can be improved, specifically the GUI, however, in general, if I am trained, I need to know how to use these tools. It is fairly straightforward.
What was our ROI?
I believe its pricing structure is good. On a scale of one to ten, its pricing structure deserves a nine, maybe.
What other advice do I have?
Working with AWS and its solutions is definitely recommended. It is an integral piece of the puzzle, really. I'm basically a research site. I gather reviews of products, from AWS and also from all other vendors, so I can assure you there's no biased opinion here. You can actually find out about all other tools. I am really grateful that you benefited from our website and the IT community with your feedback about AWS Lambda.
Overall, I would rate the product at nine 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 has a business relationship with this vendor other than being a customer. Partner
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.
AWS Academy Accredited Instructor - ACF & CCA at APU
Utilizing cloud solutions for seamless scalability while awaiting increased workload thresholds
Pros and Cons
- "Lambda saves me time in configuration and deployment and gives me confidence in its high availability and scalability."
- "Lambda saves me time in configuration and deployment and gives me confidence in its high availability and scalability."
- "I would say an increase in the current limits would be quite beneficial."
What is our primary use case?
I use AWS to host our app space within my university, APU. My infrastructure is based on the AWS cloud, and most of my compute workloads are primarily based on Lambda. This setup facilitates all transactions that require engagement from multiple stakeholders, including staff, faculty, students, and administrative staff. I have in-house applications, both mobile and web-based, that engage with Lambda to provide the required scalability, especially during peak hours of university timings. Lambda is a highly utilized service for me.
What is most valuable?
The most important feature of Lambda for me is that I don't need to manage any resources. I don't have to set up an AWS stack or developer tools, as they are provided by AWS by default. This means that if I need to set up Lambda, it's a matter of minutes to deploy my code, which facilitates my CI/CD pipelines. Time is an important optimization for me, and Lambda is economical. Additionally, it is highly available and sustainable, unlike EC2, which is a single point of failure. Lambda saves me time in configuration and deployment and gives me confidence in its high availability and scalability. I have done my workload migration from an on-premises environment to the cloud, significantly reducing my capital expenditure. The automation improves my planning for product releases and hybrid connectivity. Also, content delivery has improved, and application latency has decreased.
What needs improvement?
I would say an increase in the current limits would be quite beneficial. Right now, the threshold is fifteen minutes. AWS has increased the limits from three to ten gigabytes, enhancing the productivity of different workloads. If this threshold is extended further, more workloads currently utilizing EC2 could potentially be executed using Lambda.
For how long have I used the solution?
I have been working with Lambda since 2018.
What do I think about the scalability of the solution?
Speaking of scalability, I would rate this aspect as close to nine out of ten. So far, I haven't had any issues with the usage of Lambda. Since AWS launched its region in Malaysia, the compute is happening right next to my location.
How are customer service and support?
Support is of the highest quality, so I would give it a five out of five.
How would you rate customer service and support?
Positive
Which solution did I use previously and why did I switch?
Before Lambda, I mainly used my on-premises environment.
How was the initial setup?
The entire Lambda project took less than three months. I'm not the team lead for that setup, so the exact timeline isn't possible for me to provide. Currently, I'm mainly in the training division.
What about the implementation team?
Maintenance of the overall cloud setup involved less than fifty people. They are not only for maintenance, as they are also involved with enhancing other solutions. I would include developers who are creating new products and releasing them. So overall, the staff is around fifty, but specifically for maintenance, there are fewer people.
Which other solutions did I evaluate?
Azure was one of the options during my evaluation, but I decided to go with AWS.
What other advice do I have?
I would suggest newcomers go through the AWS Well-Architected Framework, especially the serverless application stack offered by AWS, such as Lambda. The cloud adoption framework by AWS is quite in-depth, providing many integration points for reskilling and handling workloads. It’s crucial to explore these frameworks before migrating workloads to the cloud. Additionally, looking into AWS CloudFormation for automating infrastructure provisioning is beneficial. I would rate AWS Lambda as nine 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.
IT Support Specialist at Trinity University
Cost-effective serverless solution with initial setup challenges for non-coders
Pros and Cons
- "Lambda is trigger-based, which means it only activates when accessed, ensuring cost savings."
- "I like AWS Lambda as it is cheaper compared to other AWS services that require applications to be running continuously, and since Lambda is trigger-based and only activates when accessed, it ensures cost savings while being serverless and making processes easier once it is set up."
- "AWS Lambda is a bit difficult to set up if someone doesn't know how to code."
- "AWS Lambda's scalability depends on the number of users. It might not handle a high volume of requests efficiently, so it's better suited for small-scale operations where the number of users is limited."
What is our primary use case?
I use AWS Lambda for serverless services to avoid running applications on an instance. I use it for my personal website. When people want to view my website, the service is trigger-based, so it only operates when accessed, allowing for cost efficiency.
What is most valuable?
I like AWS Lambda as it is cheaper compared to other AWS services that require applications to be running continuously. Lambda is trigger-based, which means it only activates when accessed, ensuring cost savings.
It's also serverless and makes processes easier despite the initial difficulty in setting it up. Being able to configure Lambda to work in a trigger-based manner is highly beneficial for my needs.
What needs improvement?
AWS Lambda is a bit difficult to set up if someone doesn't know how to code. It would be helpful to have a chatbot or resource that can guide users through the process, especially for those not proficient in coding. Setting up workflows that connect multiple AWS services can be challenging without guided support.
For how long have I used the solution?
I've been using AWS Lambda for some months now.
What do I think about the stability of the solution?
There are no stability issues. AWS Lambda is very fast and secure, and I've not encountered any problems with it.
What do I think about the scalability of the solution?
AWS Lambda's scalability depends on the number of users. It might not handle a high volume of requests efficiently, so it's better suited for small-scale operations where the number of users is limited.
How was the initial setup?
The initial setup of AWS Lambda can be difficult, especially for those who do not know how to code. It took me about a week to set it up properly.
What about the implementation team?
I am the only person maintaining the AWS Lambda setup.
What was our ROI?
I can't provide specific cost savings numbers, yet, due to the fact that AWS Lambda is trigger-based, it offers cost savings compared to instances that are always running.
What's my experience with pricing, setup cost, and licensing?
AWS Lambda is cheaper compared to running an instance continuously. You only pay for what you use, making it cost-effective.
What other advice do I have?
I would recommend AWS Lambda based on the use case. It's suitable for small applications where user access is limited. However, it's not ideal for large-scale platforms due to limitations in managing high traffic.
I rate AWS Lambda a seven 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.
Desarrollador de Microsoft at Sinnvoll analítica empresarial
Deploying code effortlessly with improved management of HTTP headers
Pros and Cons
- "What I like most about AWS Lambda is that it's very easy to deploy."
- "Additionally, encapsulating code in Lambda functions makes applications easier to maintain and scale better than having one EC2 instance hosting everything."
- "The way Lambda works with HTTP headers is a bit odd."
- "The way Lambda works with HTTP headers is a bit odd."
What is our primary use case?
For over a year, I worked in an IoT company, where we had some web applications. I used AWS Lambda in all of our devices for connection. During this time, I also taught AWS, using Lambda to help my students learn how the code of infrastructure works.
What is most valuable?
What I like most about AWS Lambda is that it's very easy to deploy. You basically have to click a couple of buttons, and suddenly you have a Lambda function that works. Obviously, then you have to write all the code, however, that it's a good service for beginners.
Additionally, encapsulating code in Lambda functions makes applications easier to maintain and scale better than having one EC2 instance hosting everything. I think scalability and maintenance are major advantages.
Also, the ability to work with different versions of Python is useful; sometimes I want to use different libraries unavailable in some versions.
What needs improvement?
The way Lambda works with HTTP headers is a bit odd. It needs some change as the configuration is somewhat hidden, so I don't really know what I'm changing. Managing the HTTP headers should be modified for clarity since, at least in my case, I found it challenging to configure and manage them initially. I would suggest that this is an area for improvement.
For how long have I used the solution?
I have used Lambda for over a year.
What do I think about the stability of the solution?
I have never had issues with Lambda's stability. The first executions may have a bit of latency due to the cold start, however, once the Lambda is up, everything is much faster. It's a fast service, yet, in cases where the Lambda has been idle for a long time and has to restart, it's a bit slower. However, I think it's still something manageable.
What do I think about the scalability of the solution?
I have found that Lambda has no problem with scalability. I can have many Lambdas working simultaneously. In case there is a traffic peak, AWS manages the scalability itself. I don't need to configure anything. It's all done by AWS, and for me, it has always worked perfectly. I have never seen any problem with that.
How was the initial setup?
If I want a Lambda ready to go with no configurations, it's easy. I just click a few times, and it works. I don't need to know how it works underneath. However, if I want something more complex, for example, working with HTTP headers, it gets complex.
Which other solutions did I evaluate?
In the same way I used Lambda, I would say that no, I did not. It's a very unique service.
What other advice do I have?
I would give it a nine out of ten.
The best thing to do is to pick a programming language you already know. Instead of starting with GitHub actions or workflows, it's better to make the Lambda public, start coding directly into the Lambda editor, and see how everything works. Try to understand how executions are logged into CloudTrail.
When you gain more experience, obviously, Lambda should not be public, and you can make more complex things, like working with headers and authentication and connections to other AWS services.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Python AWS & AI Expert at a tech consulting company
Event-driven capabilities optimize cost efficiency
Pros and Cons
- "AWS Lambda's serverless architecture and event-driven programming are highly valuable; you pay only for the events triggered, optimizing costs."
- "AWS Lambda's serverless architecture and event-driven programming are highly valuable; you pay only for the events triggered, optimizing costs."
- "AWS Lambda might become expensive if used for continuous processes."
What is our primary use case?
AWS Lambda is primarily used for serverless architecture. I have used it for web applications, particularly during my time at a company where we developed an image processing tool. It helps to trigger events on a runtime basis. AWS Lambda also has various other use cases such as machine learning processes and handling big data tasks.
What is most valuable?
AWS Lambda's serverless architecture and event-driven programming are highly valuable. You pay only for the events triggered, optimizing costs. It is beneficial for deployment CI/CD tooling and for triggering pipelines for data processing. The cost model is pay-as-you-go, with a tier for free requests and computational time. Scalability and stability are also very efficient.
What needs improvement?
AWS Lambda could offer support for more programming languages beyond Python and Node.js. The process for creating Lambdas could be simplified for beginners with less expertise in AWS.
For how long have I used the solution?
I have been working with AWS Lambda for almost eight years.
What was my experience with deployment of the solution?
Deploying AWS Lambda is pretty quick if the process is known. It takes between 30 minutes to one hour to deploy once the code is ready.
What do I think about the stability of the solution?
AWS Lambda is very stable. Issues are typically related to the user’s code and can be debugged through logs such as CloudWatch.
What do I think about the scalability of the solution?
AWS Lambda's auto-scaling features are crucial for operations and provide great scalability. I rate the scalability of AWS Lambda at eight out of ten.
How are customer service and support?
The documentation for AWS Lambda is comprehensive and thorough, eliminating the need for frequent technical support. A 2000-page guide covers all aspects, from setup to advanced use.
How would you rate customer service and support?
Positive
How was the initial setup?
The initial setup of AWS Lambda can be somewhat challenging for first-time users, primarily due to the learning curve involved. I would rate it a six on the ease scale.
What's my experience with pricing, setup cost, and licensing?
AWS Lambda has a cost model that aligns with usage. There is an initial free tier, after which charges apply based on requests and compute time. Different architectures have distinct pricing models. Despite being a bit expensive initially, the overall cost effectiveness is notable.
What other advice do I have?
AWS Lambda should be used when there is a need for event-driven programming on an as-needed basis. It might become expensive if used for continuous processes. In terms of the overall solution, I rate AWS Lambda at nine 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.
Software Engineer at Bit & Binary
Used for creating cron jobs, but does not give proper error information
Pros and Cons
- "I have used AWS Lambda for simple messaging for SQS, creating a cron job, and delay messaging."
- "We can write anything as code, but the solution will not give proper error information."
What is most valuable?
I have used AWS Lambda for simple messaging for SQS, creating a cron job, and delay messaging. Creating a cron job ensures emails are automatically sent to users at a specific time we set. For example, a mail would be sent automatically instead of manually to a user whose subscription is about to expire.
What needs improvement?
AWS Lambda functions have many versions. Sometimes, it takes a little time to load and run the commands in AWS Lambda. We can write anything as code, but the solution will not give proper error information. It is a little time-consuming to understand where the error came from.
For how long have I used the solution?
I have been using AWS Lambda for one and a half years.
How was the initial setup?
The solution's initial setup is easy. You can easily code in AWS Lambda if you have good coding experience in any coding language.
What's my experience with pricing, setup cost, and licensing?
The solution is free of cost for the first year, and after that, it becomes expensive.
What other advice do I have?
If you are using AWS Lambda for the first time, you need to know about AWS. You need good coding knowledge to work with AWS Lambda. If you want to code a node, you must know about node and node syntax. If we are using AWS Lambda with Python, you have to know about Python. It is easy to learn AWS Lambda if you have good coding knowledge.
Overall, I rate the solution a seven 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.
Data Scientist
Seamless serverless scaling transforms application building
Pros and Cons
- "The serverless computing feature eliminates the need to manage servers, provision, or scale."
- "AWS Lambda has a limitation where the execution time is capped at 15 minutes per task. Increasing this time would allow for handling heavier tasks more efficiently."
What is our primary use case?
I primarily use AWS Lambda for building serverless applications. I integrate it with services such as S3 and DynamoDB.
What is most valuable?
The capability of AWS Lambda to automatically scale thousands of requests simultaneously without requiring manual intervention is invaluable.
Additionally, its integration with other AWS services such as Amazon S3 and DynamoDB has been very beneficial. The pay-as-you-go pricing model ensures that I only pay for the resources used, providing cost-effectiveness.
The serverless computing feature eliminates the need to manage servers, provision, or scale.
What needs improvement?
AWS Lambda has a limitation where the execution time is capped at 15 minutes per task. Increasing this time would allow for handling heavier tasks more efficiently.
While the documentation is satisfactory, beginners might encounter some challenges, so any improvements could be helpful.
For how long have I used the solution?
I have been working with AWS Lambda for about six months.
What do I think about the stability of the solution?
AWS Lambda is quite stable, with a high level of availability and the ability to distribute functions across multiple availability zones. I'd rate it at nine out of ten in terms of stability.
What do I think about the scalability of the solution?
AWS Lambda can automatically scale to handle increasing requests. For example, I used it in a personal project to integrate with a Simple Notification Service, which ensured I received real-time notifications during peak times without manual scaling.
Which solution did I use previously and why did I switch?
I did not use a different solution before AWS Lambda.
How was the initial setup?
The initial setup was moderately challenging, especially for beginners. Although the documentation is adequate, new users might find it not entirely straightforward and may face some challenges. It took me around five to ten minutes to deploy Lambda for the first time.
What about the implementation team?
I deployed AWS Lambda by myself while learning about it and sought help from friends when necessary.
What was our ROI?
Lambda provides a cost-saving advantage because of its serverless design and automatic scaling without manual infrastructure needs. Its pay-as-you-go model means I only pay for what I use, which is financially beneficial for handling applications with fluctuating traffic levels.
What's my experience with pricing, setup cost, and licensing?
AWS Lambda is cost-effective and flexible, particularly suitable for small applications. I am using the service within a free tier account, which influences the pricing experience.
What other advice do I have?
I rate AWS Lambda overall at ten out of ten. New users should thoroughly read the documentation and start with small projects to understand the platform. It's important to be aware of AWS Lambda's limitations, take advantage of monitoring and debugging tools, and stay updated with new releases. Joining a community for learning and sharing is also recommended.
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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