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AWS Lambda pros and cons

Vendor: Amazon Web Services (AWS)

4.3 out of 5

91 reviews
94% willing to recommend

Pros & Cons summary

AWS Lambda offers a cost-efficient, serverless architecture, eliminating server management with pay-as-you-go pricing. It integrates with AWS services, supports multiple languages, and enables seamless, event-driven computing with automatic scaling. Developers benefit from ease of implementation and strong technical support. However, it faces challenges with security, execution speed, pricing, language support, integration with certain providers, and limitations in memory and file system-sharing for larger applications.

Buyer's Guide

Get pricing advice, tips, use cases and valuable features from real users of this product.

Prominent pros & cons

PROS

AWS Lambda offers a serverless and scalable architecture that eliminates the need for server management and ensures cost efficiency by charging only for used instances.

It provides strong integration with other AWS services, allowing for seamless operations and diverse application usage.

The architecture supports multiple programming languages, enabling developers to focus on coding without the worry of infrastructure.

AWS Lambda is praised for its automatic scaling capabilities, ensuring systems handle variable loads efficiently and maintain high performance.

It is easy to implement, supports event-driven computing, and offers robust technical support, contributing to an overall straightforward user experience for developers.

CONS

Security and stability of AWS Lambda need improvement, including better execution time and reduced cold-start delays.

AWS Lambda's pricing is considered high, making it less competitive compared to alternatives.

There are limitations in programming language support, including insufficient options for Python.

Integration with other providers like Cohesity and Druva and service limitations for long-running or specific processes require enhancement.

AWS Lambda's file system-sharing capabilities and memory limitations can hinder larger-scale implementations.

AWS Lambda Pros review quotes

Senior Automation Test Developer/Automation Test Architect at a computer software company with 51-200 employees

Jan 15, 2018

I saw Ops setup the automated release jobs faster in AWS than in Jenkins and CircleCI.

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Chief Executive Officer at a tech services company with 51-200 employees

Jun 4, 2018

Provides a good, easy path from when you're using an AWS cluster.

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HV

Technical Leader at FPT Software

Jul 20, 2019

The ability to scale up and down very quickly helps because we can maintain our system performance and business at a low cost.

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Learn what your peers think about AWS Lambda. Get advice and tips from experienced pros sharing their opinions. Updated: April 2026.

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Ravi Satyanarayana

IT Analyst at Tata Consultancy

Sep 27, 2019

The most valuable feature of this solution is the API Gateway.

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Technical Architect at a tech services company with 1,001-5,000 employees

Jan 29, 2020

The most valuable feature is that it scans the cloud system and if they are any security anomalies it triggers an email.

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AWS Platform Head & Chief Architect - CMA Unit at a tech services company with 10,001+ employees

Mar 3, 2020

The ease and speed of developing the services using any available language is the most valuable feature.

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reviewer1280193

Assistant to Vice President at a consultancy with 10,001+ employees

Apr 19, 2020

It's a serverless solution which is the best feature. It helps us because it offers free aspects. From the infrastructure perspective, it helps us manage costs. There is no overhead of estimating how much infrastructure we're going to need. We can focus on building the business functionality that we want to build.

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reviewer1112637

CEO at a healthcare company with 51-200 employees

Oct 14, 2020

The cool thing about AWS Lambda is that AWS does all the management. For compression, it is all about making the data small and then making it regular size again. We have an encode function and a decode function. AWS Lambda schedules each of those for us. It has a load balancer and all the fancy stuff, depending on the demand. The most valuable part of AWS Lambda is that I only need to write the software. I need to write two functions, and my cloud developer turns them into two AWS Lambda instances. That's it.

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Senior Analyst with 11-50 employees

Nov 21, 2020

The solution is designed very well. You don't need to keep a server up. You just need some router to route your API request and Lambda provides a very well-designed feature to process the request.

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FL

IoT/AI/Enterprise Solutions Architect at Tech Data Corporation

Nov 29, 2020

Amazon takes care of the scalability. That's the right way. It's automatic and it's fully managed. That's one benefit of Lambda.

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AWS Lambda Cons review quotes

Senior Automation Test Developer/Automation Test Architect at a computer software company with 51-200 employees

Jan 15, 2018

Cannot checkout code from GitHub but Jenkins can. No shell script is supported and CodePipeline cannot send notification to Slack, but we can use Slack API and Lambda Function.

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Chief Executive Officer at a tech services company with 51-200 employees

Jun 4, 2018

I would like to see some better integration with other providers, like Cohesity, Druva, and others. I also think the Lambda interface could be better.

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HV

Technical Leader at FPT Software

Jul 20, 2019

Lamba functions have cold-starts that can cause some delay.

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Free Report: AWS Lambda Reviews and More

Learn what your peers think about AWS Lambda. Get advice and tips from experienced pros sharing their opinions. Updated: April 2026.

886,468 professionals have used our research since 2012.

Ravi Satyanarayana

IT Analyst at Tata Consultancy

Sep 27, 2019

The security needs to be improved.

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Technical Architect at a tech services company with 1,001-5,000 employees

Jan 29, 2020

The running time of AWS Lambda runs fine. It takes around five minutes but it would be great if that time could be extended.

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AWS Platform Head & Chief Architect - CMA Unit at a tech services company with 10,001+ employees

Mar 3, 2020

The product needs some updating as far as ease-of-customization and configuration opportunities to work with solutions outside of the cloud.

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reviewer1280193

Assistant to Vice President at a consultancy with 10,001+ employees

Apr 19, 2020

If you are setting it up on hybrid solution, there is a lot of work that needs to go in.

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reviewer1112637

CEO at a healthcare company with 51-200 employees

Oct 14, 2020

One area of improvement is to include support for more programming languages. AWS Lambda does not support a lot of programming languages. You have to write the Lambda functions in a certain programming language. We are using C++. My developer knows a couple of other languages. Python is his favorite language, but Python is not supported in AWS Lambda.

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Senior Analyst with 11-50 employees

Nov 21, 2020

We need to better understand Lambda for different scenarios. We need some joint effort between Amazon and the users to have the users identify how they can really leverage Lambda. It's not about Lambda itself; it's about the practice, the guidance. There needs to be very good documentation. From the user perspective, what exists now is not always enough.

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FL

IoT/AI/Enterprise Solutions Architect at Tech Data Corporation

Nov 29, 2020

I think that perhaps Lambda could explore its functionality more.

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Product Categories

Product Categories

Compute Service

Popular Comparisons

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Apache Spark vs AWS Lambda

Spot by Flexera vs AWS Lambda

Amazon EC2 vs AWS Lambda

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