AWS Lambda

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Run code without managing servers, pay only for compute time

Serverless Cloud & Infrastructure Hosting & Deployment

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4.6(1,079 across the web)

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Reviews onG2Capterra

1079 reviews tracked·2 press mentions

The Bottom Line

Entry price

Paid plans only

Biggest pro

Industry-standard serverless platform

Biggest con

Cold starts can affect latency

TL;DR - AWS Lambda

AWS Lambda lets you run code without provisioning servers-just upload your function and it scales automatically
It executes code in response to events from 200+ AWS services, charging only for compute time used
Free tier includes 1M requests/month, then $0.20 per million requests

Pricing: Paid only

Best for: Enterprises & pros

4.6/5 across review platforms

What is AWS Lambda?

Editorial review

Lambda runs your code without servers to manage. Upload a function, configure a trigger, and AWS handles scaling, patching, and availability. You pay only when code executes. Functions respond to HTTP requests, process queue messages, react to database changes-any event can trigger execution. The runtime handles everything except your business logic. Lambda changed how developers think about backends. Instead of maintaining servers, you write functions and let AWS handle the rest.

Available on: Web

LCLouis CorneloupUpdated May 26, 2026 · how we evaluateSourceaws.amazon.com ↗

Pros & Cons

Pros

Industry-standard serverless platform
Integrates with entire AWS ecosystem
Scales automatically to any load
Pay only for compute time used
Supports many languages and runtimes

Cons

Cold starts can affect latency
Complex pricing model
15-minute execution time limit
Debugging can be challenging
Vendor lock-in with AWS services

Ratings Across the Web

4.6(1,079 reviews)

Ratings aggregated from independent review platforms. Learn more

Key Features

Serverless computeEvent-drivenAuto-scalingPay-per-useMultiple runtimesAWS integration

Pricing Plans

Pricing checked Jul 11, 2026

Free Tier

Free

1M free requests/month
400,000 GB-seconds compute
Never expires
Included with AWS account

Pay-as-you-go

$0.20 / million

$0.20 per 1M requests
$0.0000166667/GB-second (x86)
Memory from 128 MB to 10 GB
Billed per millisecond

Graviton2 (ARM)

$0.16 / million

34% better price performance
$0.0000133334/GB-second
Same functionality as x86
Recommended for cost savings

Savings Plans

Up to 17% off

1 or 3 year commitment
Compute Savings Plans
Flexible across regions
Significant discount

Calculate your cost View full pricing

How AWS Lambda's pricing compares

At $1.42/mo, AWS Lambda is mid-range of its 3 direct competitors ($0.4 to $19/mo across the set).

Azure Functions

$0.4

AWS Lambda

$1.42

Cloudflare Workers

Netlify Functions

$19

Entry paid plan, monthly. Pricing checked Jul 11, 2026.

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4.6/5

Across 1,079 verified user reviews on G2, Capterra

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Best AWS Lambda Alternatives

Top alternatives based on features, pricing, and user needs.

Azure FunctionsPaid

Serverless compute for event-driven applications on Azure

4.4

Netlify FunctionsFreemium

Serverless functions for Netlify sites

3.7

Google Cloud FunctionsFreemium

Serverless compute on Google Cloud

4.4

Cloudflare WorkersFreemium

Run serverless JS/Wasm at the edge with instant cold starts

4.5

Vercel FunctionsFreemium

Run server-side code without managing servers, with automatic scaling and low latency.

See all serverless tools →

Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

AWS Lambda vs Azure FunctionsHead-to-head: features, pricing, who wins AWS Lambda vs Netlify FunctionsHead-to-head: features, pricing, who wins AWS Lambda vs Google Cloud FunctionsHead-to-head: features, pricing, who wins

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AWS Lambda FAQ

How does AWS Lambda handle scaling for applications?

AWS Lambda automatically scales to accommodate any load, ensuring that your functions can handle varying levels of demand without manual intervention. It manages all the operational aspects, including patching and availability, so your code is always ready to execute.

Which teams would benefit most from using AWS Lambda?

Teams looking to build event-driven architectures or microservices without the overhead of server management would find AWS Lambda most beneficial. It is ideal for developers who want to focus purely on writing business logic and let AWS handle the underlying infrastructure.

How is AWS Lambda priced?

AWS Lambda is a paid product where you only pay for the compute time consumed when your code executes. This model means you are not charged when your functions are idle, aligning costs directly with usage.

Can AWS Lambda integrate with other AWS services?

Yes, AWS Lambda integrates seamlessly with the entire AWS ecosystem, allowing functions to be triggered by various AWS services. This deep integration enables the creation of complex serverless applications that leverage a wide range of AWS capabilities.

What kind of real-world use case can AWS Lambda support?

AWS Lambda can support use cases like processing messages from a queue, responding to HTTP requests for web applications, or reacting to changes in a database. It allows developers to build event-driven backends without managing servers.

How does AWS Lambda compare to Google Cloud Functions?

AWS Lambda, similar to Google Cloud Functions, allows you to run code without managing servers, focusing on event-driven execution. However, Lambda offers deep integration with the broader AWS ecosystem, which can be a significant factor for users already within the AWS environment.

What are the main trade-offs when using AWS Lambda?

One of the main trade-offs with AWS Lambda is the potential for 'cold starts,' which can introduce latency for infrequently accessed functions. Additionally, debugging can be challenging, and there is a 15-minute execution time limit for functions.

Source: aws.amazon.com