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AWS Lambda Reviews

Vendor: Amazon Web Services (AWS)
4.3 out of 5
Badge Ranked 1
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What is AWS Lambda?

AWS Lambda is a compute service that lets you run code without provisioning or managing servers. AWS Lambda executes your code only when needed and scales automatically, from a few requests per day to thousands per second. You pay only for the compute time you consume - there is no charge when your code is not running. With AWS Lambda, you can run code for virtually any type of application or backend service - all with zero administration. AWS Lambda runs your code on a high-availability compute infrastructure and performs all of the administration of the compute resources, including server and operating system maintenance, capacity provisioning and automatic scaling, code monitoring and logging. All you need to do is supply your code in one of the languages that AWS Lambda supports (currently Node.js, Java, C# and Python).

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AWS Lambda is the #1 ranked solution in top Compute Service solutions. PeerSpot users give AWS Lambda an average rating of 8.6 out of 10. AWS Lambda is most commonly compared to Apache Spark: AWS Lambda vs Apache Spark. AWS Lambda is popular among the large enterprise segment, accounting for 56% of users researching this solution on PeerSpot. The top industry researching this solution are professionals from a financial services firm, accounting for 14% of all views.
Buyer's Guide
AWS Lambda
March 2026
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AWS Lambda mindshare

As of March 2026, the mindshare of AWS Lambda in the Compute Service category stands at 12.0%, down from 20.9% compared to the previous year, according to calculations based on PeerSpot user engagement data.
Compute Service Mindshare Distribution
ProductMindshare (%)
AWS Lambda12.0%
Amazon EC212.5%
AWS Batch10.7%
Other64.8%
Compute Service

PeerResearch reports based on AWS Lambda reviews

TypeTitleDate
CategoryCompute ServiceMar 27, 2026Download
ProductReviews, tips, and advice from real usersMar 27, 2026Download
ComparisonAWS Lambda vs Amazon EC2Mar 27, 2026Download
ComparisonAWS Lambda vs AWS FargateMar 27, 2026Download
ComparisonAWS Lambda vs Amazon EC2 Auto ScalingMar 27, 2026Download
Suggested products
TitleRatingMindshareRecommending
Apache Spark4.210.1%90%69 interviewsAdd to research
Spot by Flexera4.34.3%100%5 interviewsAdd to research
 
 
Key learnings from peers

Valuable Features

AWS Lambda offers numerous advantages users find valuable: seamless integration with AWS services, serverless architecture eliminating server management, support for multiple programming languages, and cost-efficient scalability. Users appreciate its agility in event-triggered tasks, easy deployment, and flexibility in using diverse languages. The API Gateway and automatic scaling ensure efficient performance. Its pay-as-you-go model, integration with CI/CD pipelines, and real-time processing enhance business efficiency without additional infrastructure overhead.
  • "Some of the most valuable features are that it's easy to install and use, and the performance is also good."
  • "One of the most valuable features of AWS Lambda is the performance; Lambda is very technical and has very high performance, as well as good real-time performance."
  • "The programming language and the integration with other AWS services are the most valuable features."

Room for Improvement

AWS Lambda requires improvements in integration with external platforms and enhanced interface usability. Cold start delays and execution time limits pose challenges for time-sensitive tasks. Increasing support for more programming languages, better debugging, and user-friendliness would be beneficial. Users seek better monitoring tools and reduced runtime limits. Enhanced security, pricing adjustments, and more comprehensive language compatibility are also needed to improve user experience and performance. Improved documentation and a more intuitive setup process would assist novices.
  • "Lambda could be improved in the sense that some of the things done with Lambda function take some time."
  • "AWS Lambda could be improved with better stability."
  • "Its performance can be improved. There should also be more dynamic security permissions."

ROI

AWS Lambda offers significant ROI due to its usage-based pricing, eliminating infrastructure costs and providing savings up to 90%. Its pay-as-you-go model ensures cost-efficiency during fluctuating demand. Lambda’s serverless design and automatic scaling enhance performance and reliability. Users highlight substantial financial benefits compared to traditional on-premise setups, noting cost savings from not needing maintenance or infrastructure management. Pricing is well-rated, with its flexibility catering to varying traffic levels.

Pricing

AWS Lambda users indicate the service is cost-effective, utilizing a pay-as-you-go model with no upfront costs. There's an initial free tier, followed by charges based on usage and compute time. While AWS provides significant savings for low-frequency tasks, high usage can lead to increased expenses. Many find the pricing competitive, noting it as more economical than traditional server-based solutions, particularly for small applications or intermittent workloads. The monthly and yearly licensing options accommodate varying needs.
  • "AWS Lambda is not expensive for micro testing but is expensive if used for long deployment or long services."
  • "The solution is free of cost for the first year, and after that, it becomes expensive."
  • "It costs maybe less than $10 per month in my use case."

Popular Use Cases

Organizations primarily use AWS Lambda for serverless computing, enabling automated workflows and event-driven architectures. It handles data processing, API backend services, and real-time notifications. Common implementations include microservice development, backup and data transformation, and integration with AWS services like S3 and Redshift. Users appreciate Lambda's automatic scaling, cost efficiency, and support for multiple programming languages, allowing versatile applications without extensive server management.

Service and Support

AWS Lambda support is frequently described as responsive and helpful, although users find it expensive without an enterprise plan. Some users rely on comprehensive documentation to resolve issues independently, with many mentioning they rarely require assistance due to the platform's stability. Others praise the knowledgeable team for quick, effective responses, especially for critical issues. While support is deemed satisfactory by most, some suggest enhancements, like increased support personnel or alternative communication channels.

Deployment

The initial setup for AWS Lambda is generally straightforward with minimal complexity, especially for those familiar with AWS environments. While newcomers might find it slightly challenging and require some coding knowledge, experienced users appreciate the provided documentation and intuitive processes. With AWS tools like the console, setup can often be completed in minutes. Complexity can arise for those without technical proficiency, but most find it manageable with AWS infrastructure.

Scalability

AWS Lambda demonstrates exceptional scalability. It adapts to varying workloads and user needs automatically, scaling up to handle increased demands efficiently. Enterprises and technology companies benefit from its flexibility without requiring additional infrastructure. Although some users note potential limits during peak demand, its integration with other AWS services enhances scalability, making it ideal for fluctuating traffic environments. Its cost-effectiveness is appreciated, though high-traffic applications may find expenses substantial.

Stability

AWS Lambda is perceived as highly stable, showing reliability and strong performance. Users note consistent stability even with scaling, though some mention constraints like execution time limits and occasional time-out errors. Functionality remains reliable despite infrastructure variability, and most users rate the stability between eight to nine out of ten. There's minimal latency or bugs, and it handles workloads effectively, ensuring high availability and integration with AWS services for monitoring and managing stability concerns.
These insights are based on the in-depth reviews provided by peers to help you make a better buying decision.
Download our AWS Lambda Buyer's Guide for additional reliable information.

Review data by company size

By reviewers
Company SizeCount
Small Business33
Midsize Enterprise13
Large Enterprise40
By reviewers
By visitors reading reviews
Company SizeCount
Small Business93
Midsize Enterprise35
Large Enterprise162
By visitors reading reviews

Top industries

By visitors reading reviews
Financial Services Firm
14%
Marketing Services Firm
11%
Manufacturing Company
8%
Computer Software Company
6%
Educational Organization
6%
University
5%
Insurance Company
4%
Healthcare Company
4%
Government
4%
Real Estate/Law Firm
3%
Retailer
3%
Performing Arts
3%
Recreational Facilities/Services Company
3%
Comms Service Provider
2%
Outsourcing Company
2%
Media Company
2%
Construction Company
2%
Hospitality Company
2%
Wholesaler/Distributor
2%
Energy/Utilities Company
2%
Renewables & Environment Company
2%
Transportation Company
2%
Legal Firm
1%
Non Profit
1%
Logistics Company
1%
Pharma/Biotech Company
1%
Agriculture
1%
Consumer Goods Company
1%

Compare AWS Lambda with alternative products

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Learn more about AWS Lambda

You can use AWS Lambda to run your code in response to events, such as changes to data in an Amazon S3 bucket or an Amazon DynamoDB table; to run your code in response to HTTP requests using Amazon API Gateway; or invoke your code using API calls made using AWS SDKs. With these capabilities, you can use Lambda to easily build data processing triggers for AWS services like Amazon S3 and Amazon DynamoDB process streaming data stored in Amazon Kinesis, or create your own back end that operates at AWS scale, performance, and security.

AWS Lambda customers

Netflix

Related questions

  • 39
Which is better, AWS Lambda or Batch?
  • 20
Which solution should I use for the creation of a serverless application: AWS Lambda or Azure?
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  • 62
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  • 75
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  • 72
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  • 66
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Product Categories

Product Categories
Compute Service

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AWS Lambda Reviews Summary
Author infoRatingReview Summary
Co Founder And CTO at Gamucopia Creatives4.5I've used AWS Lambda for five years within a serverless architecture; it scales automatically and is easy to use, though cold start times need improvement. Overall, it's effective for lightweight tasks and integrates well with other AWS services.
Assistant Manager at a tech vendor with 10,001+ employees4.0I've used AWS Lambda for years to build serverless solutions for clients. It's easy to integrate and scalable, though monitoring and memory limits need improvement. Setup is fast, and we've had no stability or reliability issues.
AWS Cloud Architect at a healthcare company with 10,001+ employees4.0I find AWS Lambda excellent for event-driven microservices, offering impressive scalability, seamless AWS integration, and cost savings for infrequent workloads. While stable and easy to deploy, improved VPC documentation is needed. I rate it 8/10.
AWS Developer at Centrica4.0I find AWS Lambda convenient, allowing me to focus on code for serverless APIs, and it's easy to set up. However, its code preview for large functions needs improvement, and it can become expensive for high-traffic applications. I rate it an 8/10.
Software Engineer at The American College3.5I use AWS Lambda for event-based retrieval, appreciating its integration with AWS resources and automatic execution without server configuration. However, the outdated IDE and lack of direct internet access and AI integration like CodeWhisperer need improvement.
DevOps Engineer | Cloud Architect & Automation Specialist | Kubernetes, Terraform, Ansible, AWS EKS at Phoenix Marketing & Advertising4.5I use AWS Lambda for real-time media processing due to its event-driven architecture, automatic scaling, and cost-effective pay-per-use model. Despite limitations like execution timeout, it's preferred over alternatives for its integration with AWS services.
Python AWS & AI Expert at a tech consulting company4.5I've used AWS Lambda for 8 years, valuing its serverless, event-driven architecture, scalability, and cost-effectiveness for on-demand tasks. While initial setup is challenging and it needs more language support, I rate it 9/10.
AWS Architect at Virtual University4.5I find AWS Lambda excellent for event-driven projects, offering great scalability and stability. Its serverless nature and easy setup are valuable, though its limited execution time and cold start latency could improve. Overall, I rate it 9/10.